10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

Form 10-K

(Mark One)	x	ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
		For the fiscal year ended December 31, 2014
	o	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
		For the transition period from  to .

Commission File Number 1-32729

POTLATCH CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	82-0156045
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)
601 West 1st Ave., Suite 1600
Spokane, Washington	99201
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (509) 835-1500

Securities registered pursuant to Section 12(b) of the Act:

TITLE OF EACH CLASS	NAME OF EACH EXCHANGE ON WHICH REGISTERED
Common Stock	The Nasdaq Global Select Market
($1 par value)

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    x Yes    ¨ No

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act    ¨ Yes    x No

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  x Yes    ¨ No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    x Yes    ¨ No

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§ 229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.   x

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer x    Accelerated filer ¨    Non-accelerated filer (Do not check if a smaller reporting company) ¨    Smaller reporting company ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).    ¨ Yes    x No

The aggregate market value of the common stock held by non-affiliates of the registrant at June 30, 2014, was approximately $1,680.5 million, based on the closing price of $41.40.

As of January 31, 2015, 40,605,179 shares of the registrant's common stock, par value $1 per share, were outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the definitive proxy statement for the 2014 annual meeting of stockholders expected to be filed with the Commission on or about April 1, 2015 are incorporated by reference in Part III hereof.

POTLATCH CORPORATION AND CONSOLIDATED SUBSIDIARIES

Table of Contents

		PAGE NUMBER
PART I
ITEM 1.	Business	3
ITEM 1A.	Risk Factors	9
ITEM 1B.	Unresolved Staff Comments	17
ITEM 2.	Properties	17
ITEM 3.	Legal Proceedings	18
ITEM 4.	Mine Safety Disclosures	18
PART II
ITEM 5.	Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	19
ITEM 6.	Selected Financial Data	20
ITEM 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	20
ITEM 7A.	Quantitative and Qualitative Disclosures About Market Risk	20
ITEM 8.	Financial Statements and Supplementary Data	20
ITEM 9.	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	21
ITEM 9A.	Controls and Procedures	21
ITEM 9B.	Other Information	21
PART III
ITEM 10.	Directors, Executive Officers and Corporate Governance	22
ITEM 11.	Executive Compensation	22
ITEM 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	23
ITEM 13.	Certain Relationships and Related Transactions, and Director Independence	23
ITEM 14.	Principal Accounting Fees and Services	23
PART IV
ITEM 15.	Exhibits and Financial Statement Schedules	24
SIGNATURES		25
INDEX TO CONSOLIDATED FINANCIAL STATEMENTS AND SCHEDULES		26
EXHIBIT INDEX		74

i

EXPLANATORY NOTE

For purposes of this report, any references to "the company,” “us,” “we,” and “our” include Potlatch Corporation and its consolidated subsidiaries.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION

This report contains, in addition to historical information, certain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including without limitation, statements regarding:

• timber inventory;

• payments under timber cutting contracts;

• increasing lumber demand and pricing in North America in 2015;

• increased North American housing starts and repair and remodel activity;

• the expected positive effect on timber prices of increased lumber demand and higher lumber prices;

• expected sawlog prices in 2015;

• expected increase in 2015 timber harvest volume of 800,000 tons from acquisition of Alabama and Mississippi timberlands;

• expected generation of $1.5 million in annual revenues from recreational leases in Alabama and Mississippi;

• expected harvest level of between 4.0 million and 4.8 million tons each year over the next 15 years;

• expected 2015 overall timber harvest of 4.5 million tons;

• expected sale of 37% of Northern region timber volume under log supply agreements in 2015;

• expected volumes and value of timber to be sold in the Southern region in 2015 under log supply agreements;

• expected sales of 80,000 acres of higher and better use (HBU) property,140,000 acres of rural real estate property and 80,000 acres of non-strategic timberland over the next decade or more;

• funding of our dividend distributions in 2015;

• compliance with REIT tax rules;

• FSC^® and SFI^® certification of our timberlands;

• expectations regarding premium prices for FSC^®-certified logs and FSC^®-certified lumber;

• realization of deferred tax assets;

• expected capital expenditures in 2015;

• expectations regarding funding of our pension plans in 2015;

• expectations regarding supplemental pension plan payments in 2015:

• estimated future benefit payments;

• estimated future payments under operating leases;

• estimated future debt payments; and

• expected liquidity in 2015 to fund our operations, regular stockholder distributions, capital expenditures and debt service obligations and related matters.

Words such as “anticipate,” “expect,” “will,” “intend,” “plan,” “target,” “project,” “believe,” “seek,” “schedule,” “estimate,” “could,” “can,” “may,” and similar expressions are intended to identify such forward-looking statements. These forward-looking statements reflect our current views regarding future events based on estimates and assumptions, and are therefore subject to known and unknown risks and uncertainties and are not guarantees of future performance.

Our actual results of operations could differ materially from our historical results or those expressed or implied by forward-looking statements contained in this report. Important factors that could cause or contribute to such differences include, but are not limited to, the following:

• changes in timber growth rates;

• changes in silviculture;

• timber cruising variables;

• changes in state forest acts or best management practices;

• changes in timber harvest levels on our lands;

• changes in timber prices;

• changes in timberland values;

• changes in policy regarding governmental timber sales;

• changes in the United States and international economies;

• changes in interest rates and discount rates;

2014 FORM 10-K / 1

• changes in requirements for FSC^® or SFI^® certification;

• changes in the level of residential and commercial construction and remodeling activity;

• changes in tariffs, quotas and trade agreements involving wood products;

• changes in demand for our products;

• changes in production and production capacity in the forest products industry;

• competitive pricing pressures for our products;

• unanticipated manufacturing disruptions;

• changes in general and industry-specific environmental laws and regulations;

• unforeseen environmental liabilities or expenditures;

• weather conditions;

• changes in raw material and other costs;

• collectability of amounts owed by customers;

• changes in federal and state tax laws;

• the ability to satisfy complex rules in order to remain qualified as a REIT; and

• changes in tax laws that could reduce the benefits associated with REIT status.

For a discussion of some of the factors that may affect our business, results and prospects, see Part 1 - Item 1A. Risk Factors.

Forward-looking statements contained in this report present our views only as of the date of this report. Except as required under applicable law, we do not intend to issue updates concerning any future revisions of our views to reflect events or circumstances occurring after the date of this report.

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Part I

ITEM 1. BUSINESS

General

Potlatch Corporation is a real estate investment trust (REIT) that owns approximately 1.6 million acres of timberlands in Alabama, Arkansas, Idaho, Minnesota and Mississippi. We derive much of our income from investments in real estate, including the sale of standing timber. Through wholly owned taxable REIT subsidiaries, which we refer to collectively in this report as Potlatch TRS, we operate a real estate sales and development business and five wood products manufacturing facilities that produce lumber and plywood.

Our businesses are organized into three operating segments:

• Resource: Our Resource segment manages our timberlands to optimize revenue producing opportunities while adhering to our strict stewardship standards. Management activities include planting and harvesting trees and building and maintaining roads. The Resource segment also generates revenues from activities such as hunting leases, recreation permits and leases, mineral rights leases, biomass production and carbon sequestration.

• Wood Products: Our Wood Products segment manufactures and markets lumber and plywood.

• Real Estate: The business of our Real Estate segment consists primarily of the sale of land holdings deemed non-strategic or identified as having higher and better use alternatives. The Real Estate segment engages in real estate sales, subdivision and development activities through Potlatch TRS.

Additional information regarding each of our operating segments is included in this section, as well as in Management's Discussion and Analysis of Financial Condition and Results of OperationsandNote 16: Segment Information in theNotes to Consolidated Financial Statements.

We are focused on the ownership of timberland, which we view as a unique and attractive asset due to the renewable nature of timber resources and timber’s long-term history of price appreciation in excess of inflation. Our primary objectives include using our timberland investments to generate income and maximizing the long-term value of our assets. We pursue these objectives by adhering to the following strategies:

• Managing our timberlands to improve their long-term sustainable yield. We manage our timberlands in a manner designed to optimize the balance among timber growth, prudent environmental management and current cash flow, in order to achieve increasing levels of sustainable yield over the long term. We may choose to harvest timber at levels above or below our then-current estimate of sustainability for short periods of time, including improving the long-term productivity of certain timber stands or in response to market conditions. In addition, we focus on optimizing timber returns by continually improving productivity and yields through advanced silvicultural practices that take into account soil, climate and biological considerations.

• Pursuing attractive acquisitions. We actively pursue timberland acquisitions that meet our financial and strategic criteria. The critical elements of our acquisition strategy generally include acquiring properties that complement our existing land base, are immediately cash flow accretive and have attractive timber or higher and better use (HBU) values.

• Maximizing the value of our non-core timberland real estate. A portion of our acreage is more valuable for development or recreational purposes than for growing timber. We continually assess the potential uses of our lands and manage them proactively for the highest value. We have identified approximately 20% of our timberlands as having values that are potentially greater than timberland values.

• Practicing sound environmental stewardship. We pursue a program of environmental stewardship and active involvement in federal, state and local policymaking to maximize our assets’ long-term value. We manage our timberlands in a manner consistent with the principles set forth by the Sustainable Forestry Initiative^® (SFI^®) or Forest Stewardship Council^® (FSC^®).

Potlatch Corporation, formerly known as Potlatch Holdings, Inc., was incorporated in Delaware in September 2005 to facilitate a restructuring to qualify for treatment as a REIT for federal income tax purposes. It is the successor to the business of the original Potlatch Corporation, which was incorporated in Maine in 1903.

2014 FORM 10-K / 3

Effective January 1, 2006, we restructured our operations to qualify for treatment as a REIT for federal income tax purposes. As a REIT, if we meet certain requirements we generally are not subject to federal and state corporate income taxes on our income from investments in real estate that we distribute to our stockholders, including the income derived from the sale of standing timber. We are, with some exceptions, subject to corporate taxes on certain built-in gains (the excess of fair market value over tax basis at January 1, 2006) on sales of real property (other than timber) held by the REIT through December 31, 2015. We are required to pay federal corporate income taxes on income from our non-real estate investments, principally the operations of Potlatch TRS.

Available Information

We make available on or through our website, www.potlatchcorp.com (under “Investor Resources – Financial Information”), our periodic and current reports that we file with, or furnish to, the Securities and Exchange Commission (SEC), at no charge as soon as reasonably practicable after we electronically file the information with, or furnish it to, the SEC. Information on our website is not part of this report. In addition, the reports and materials that we file with the SEC are available at the SEC’s website (http://www.sec.gov) and at the SEC’s Public Reference Room at 100 F Street N.E., Washington DC 20549. Interested parties may obtain information on the operation of the Public Reference Room by calling the SEC at 1-800-SEC-0330.

Business Segments

Resource Segment

Industry Background. The demand for timber depends primarily upon the markets for wood related products, including lumber, panel products, paper and other pulp-based products. The end uses for timber vary widely, depending on species, size and quality. Historically, timber demand has experienced cyclical fluctuations, although sometimes at different times and rates for products or geographic regions. The demand for sawlogs, lumber and other manufactured wood products is significantly dependent upon the level of new residential construction and remodeling activity, which, in turn, is affected by general economic and demographic factors, including population growth, new household formations, interest rates for home mortgages and construction loans, and credit availability. Increases in residential construction and remodeling activities are generally followed by higher lumber prices, which are usually followed by higher log prices. The demand for pulpwood is dependent on the paper and pulp-based manufacturing industries, which are affected by domestic and international economic conditions, global population growth and other demographic factors, industry capacity and the value of the U.S. dollar in relation to foreign currencies. Locally, timber demand also fluctuates due to the expansion or closure of individual wood products and pulp-based manufacturing facilities.

The supply of timber has been significantly affected by reductions in timber sales by the United States government and by state governments, particularly in the western United States. These reductions have been caused primarily by increasingly stringent environmental and endangered species laws and by a change in the emphasis of domestic governmental policy toward habitat preservation, conservation and recreation, and away from timber management. Because most timberlands in the southeastern United States are privately owned, changes in sales of publicly owned timber affect local timber supplies and prices in the Southeast less immediately than in the western United States with a much larger proportion of public timber ownership. Timber supplies can fluctuate depending upon factors such as changes in weather conditions and harvest strategies, as well as occasionally high timber salvage efforts due to storm damage, unusual pest infestations such as the mountain pine beetle, or fires. Local timber supplies also change in response to prevailing timber prices. Rising timber prices often lead to increased harvesting on private timberlands, including lands not previously made available for commercial timber operations. The supply of timber generally is adequate to meet demand, although this could tighten as a result of higher U.S. housing starts, the effect of the mountain pine beetle infestation in western Canada, the level of log and lumber exports to Asia from the U.S. and Canada, and the level of annual allowable cut in Canada.

Timberland Acquisition. On December 7, 2014, we acquired approximately 201,000 acres of timberland in Alabama and Mississippi for $384 million. The acquisition complements our existing ownership in our Southern Region. The acquired timber consists of approximately 73% softwood and 27% hardwoods, and is expected to increase annual timber harvest volumes by approximately 800,000 tons in 2015. We bought the timberland subject to three supply agreements. In addition, we assumed recreational leases that cover approximately 90% of the timberlands acquired. They are generally annual leases that are subject to renewal and are expected to generate approximately $1.5 million in annual revenues.

Ownership. The Resource segment manages approximately 1.6 million acres of timberlands in the North, consisting of our Idaho and Minnesota timberlands, and the South, consisting of our Alabama, Arkansas and

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Mississippi timberlands. This total includes approximately 17,000 acres under long-term leases. We are the largest private landowner in Idaho. The following table provides additional information about our timberlands.

REGION	STATE	DESCRIPTION	ACRES (thousands)
Northern region	Idaho	Variety of commercially viable softwood species, such as grand fir, Douglas fir, inland red cedar and other associated softwoods	791
	Minnesota	Primarily aspen, pine and other mixed hardwoods	178
		Total Northern region	969
Southern region	Alabama	Primarily southern yellow pine and other hardwoods	101
	Arkansas	Primarily southern yellow pine and other hardwoods	410
	Mississippi	Primarily southern yellow pine and other hardwoods	100
		Total Southern region	611
		Total	1,580

Operation. The primary business of the Resource segment is the management of our timberlands to optimize the value of all possible revenue producing opportunities while adhering to our strict stewardship standards. Management activities include planting and harvesting trees and building and maintaining roads. The segment also generates revenues from non-timber resources such as from hunting leases, recreation permits and leases, mineral rights leases, biomass production and carbon sequestration.

We strive to maximize cash flow while managing our timberlands sustainably over the long term. From time to time, we may choose, within the parameters of our environmental commitments, to harvest timber at levels above or below our estimate of sustainability for short periods in order to take advantage of strong demand or to adjust to weak demand. To maximize our timberlands' long-term value, we manage them intensively, based upon timber species and local growing conditions. Our harvest plans take into account changing market conditions, are designed to contribute to the growth of the remaining timber, and reflect our policy of environmental stewardship. We reforest our acreage in a timely fashion to enhance its long-term value. We employ silvicultural techniques to improve timber growth rates, including vegetation control, fertilization and thinning. In deciding whether to implement any silvicultural practice, we analyze the associated costs and long-term benefits, with the goal of achieving an attractive return over time.

Inventory. As of the end of 2014, our estimated standing merchantable timber inventory was 68 million tons, including 37 million tons in the North and 31 million tons in the South. This estimate is derived using methods consistent with industry practice and is based on statistical methods and field sampling. The estimated inventory volume includes timber in environmentally sensitive areas where the timberlands are managed in a manner consistent with best management practices, state forest practice acts and the SFI^® or FSC^® forest management standards.

The aggregate estimated volume of current standing merchantable timber inventory is updated annually to reflect increases due to reclassification of young growth to merchantable timber when the young growth meets defined diameter specifications, the annual growth rates of merchantable timber and the acquisition of additional merchantable timber, and to reflect decreases due to timber harvests and land sales. Timber volumes are estimated from cruises of the timber tracts, which are generally completed on a five to ten year cycle. Since the individual cruises collect field data at different times for specific sites, the growth model projects standing inventory from the cruise date to a common reporting date. Annual growth rates for the merchantable inventory have historically been in the range of 2%-5% in the North and 6%-9% in the South.

Harvest. Our short-term and long-term harvest plans are critical factors in our long-term management process. Each year, we prepare a harvest plan designating the timber tracts and volumes to be harvested during that particular year. Each harvest plan reflects our analysis of the age, size and species distribution of our timber, as well as our expectations about harvest methods, growth rates, the volume of each species to be harvested, anticipated acquisitions and dispositions, thinning operations, regulatory constraints and other relevant information. Among other things, the optimal harvest cycles, or rotations, for timber vary by location and species and tend to change over time as a result of silvicultural advances, changes in the markets for different sizes and ages of timber and other factors. Since harvest plans are based on projections of weather, timber growth rates, regulatory constraints and other assumptions, many of which are beyond our control, there can be no assurance that we will be able to harvest the volumes projected or the specific timber stands designated in our harvest plans.

2014 FORM 10-K / 5

Detailed harvest information by region and product is presented in Management's Discussion and Analysis of Financial Condition and Results of Operations. The following table presents a summary of our total 2014 timber harvest by region.

	TIMBER HARVESTED (TONS)
(in thousands)	SAWLOGS	PULPWOOD	STUMPAGE	TOTAL
Northern region	1,982	202	16	2,200
Southern region	620	817	22	1,459
Total	2,602	1,019	38	3,659

We expect our harvest level to range between 4.0 million and 4.8 million tons each year over the next 15 years, depending on market conditions and other factors. Based on our current projections that take into consideration such factors as market conditions, the ages of our timber stands and recent timberland sales and acquisitions, we expect to harvest approximately 4.5 million tons in 2015.

The Resource segment sells a portion of its logs at market prices to our wood products manufacturing facilities. Intersegment sales to our wood products manufacturing facilities in 2014 were approximately 25% of our total Resource segment revenues. The segment also sells sawlogs and pulpwood to a variety of forest products companies located near our timberlands. Idaho Forest Group, LLC represented slightly more than 10% of our consolidated revenues in 2014, 2013 and 2012. The segment’s customers range in size from small operators to multinational corporations. The segment competes with owners of timberlands that operate in areas near our timberlands, ranging from private owners of small tracts of land to some of the largest timberland companies in the United States. The segment competes principally on the basis of distance to market, price, log quality and customer service.

In 2014, approximately 37% of our Northern region’s volume and 34% of our Southern region’s volume were sold under log supply agreements. We expect approximately the same amount to be sold under log supply agreements in 2015 in our Northern region. In our Southern region, we added three more supply agreements when we acquired the Alabama and Mississippi timberlands with volume commitments that cease in 2016 or 2021. As a result, we expect contracted volumes to increase approximately 75% and revenues to increase approximately $11 million. In general, our log supply contracts require a specified volume of timber to be delivered to defined customer facilities at prices that are adjusted periodically to reflect market conditions. Prices in our Northern region contracts are adjusted periodically by species to prevailing market prices for logs, lumber, wood chips and other residuals. Prices in our Southern region contracts are adjusted every three months for pine and hardwood logs based on prevailing market prices for logs. Currently our log supply agreements are in place for two to seven years.

Other. Our timberlands include a wide diversity of softwood and hardwood species and are certified to either the SFI^® or FSC^® standards. We adhere to principles that include commitments to sustainable forestry, responsible practices, forest health and productivity, and protection of special sites. We are generally able to sell some FSC^®-certified logs at premium prices.

Our operations are subject to numerous federal, state and local laws and regulations, including those relating to the environment, endangered species, our forestry activities, and health and safety. Due to the significance of regulation to our business, we integrate wildlife, habitat and watershed management into our resource management practices. We also take an active approach to regulatory developments by participating in standard-setting where possible. We work cooperatively with regulators to create voluntary conservation plans that address environmental concerns while preserving our ability to operate our timberlands efficiently. Despite our active participation in governmental policymaking and regulatory standard-setting, there can be no assurance that endangered species, environmental and other laws will not restrict our operations or impose significant costs, damages, penalties and liabilities on us. In particular, we anticipate that endangered species and environmental laws will generally become increasingly stringent.

The volume and value of timber that can be harvested from our lands may be affected by natural disasters such as fire, insect infestation, disease, ice storms, hurricanes, wind storms, floods and other weather conditions and causes. We assume substantially all risk of loss to the standing timber we own from fire and other hazards, consistent with industry practice in the United States, because insuring for such losses in not practicable.

Wood Products Segment

Our Wood Products segment manufactures and markets lumber and plywood at five mills located in Arkansas, Idaho, Michigan and Minnesota. The segment’s products are largely commodity products, which are sold through

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our sales offices to end users, retailers or wholesalers for nationwide distribution primarily for use in home building, industrial products and other construction activity.

A description of our wood products manufacturing facilities, which are all owned by us, together with their respective 2014 capacities and actual production, are as follows:

	ANNUAL CAPACITY1,2	PRODUCTION2
Sawmills:
Warren, Arkansas	175 mmbf	190 mmbf
St. Maries, Idaho	160 mmbf	170 mmbf
Gwinn, Michigan	170 mmbf	176 mmbf
Bemidji, Minnesota	120 mmbf	128 mmbf
Plywood Mill:
St. Maries, Idaho	150 mmsf	159 mmsf

¹  Capacity represents the proven annual production capabilities of the facility under normal operating conditions and producing a normal product mix. Normal operating conditions are based on the configuration, efficiency and the number of shifts worked at each individual facility. In general, the definition includes two shifts for five days (two 40-hour shifts) per week at each facility, which is consistent with industry-wide recognized measures. Production can exceed capacity due to efficiency gains and overtime.

²   mmbf stands for million board feet; mmsf stands for million square feet, 3/8 inch panel thickness basis.

We are the ninth largest lumber manufacturer in the U.S. We believe that competitiveness in this industry is largely based on individual mill efficiency and on the availability of competitively priced raw materials on a facility-by-facility basis, rather than the number of mills operated. This is due to the fact that it is generally not economical to transfer logs between or among facilities, which might permit a greater degree of specialization and operating efficiencies. Instead, each facility must utilize the raw materials that are available to it in a relatively limited geographic area. For these reasons, we believe we are able to compete effectively with companies that have a larger number of mills. We compete based on product quality, customer service and price. Our manufacturing facilities can produce and sell FSC^®-certified products that generally command premium pricing.

For our Wood Products operations, the principal raw material used is logs, which are obtained from our Resource segment or purchased on the open market. We generally do not maintain long-term supply contracts for a significant volume of logs. During 2014, 2013 and 2012, 38%, 39% and 36% of our log purchases, respectively, were provided by our Resource segment.

Real Estate Segment

The activities of our Real Estate segment consist primarily of the sale of selected non-core timberland real estate, which consist of three categories of property: HBU, rural real estate and non-strategic.

• HBU properties have characteristics that provide development potential as a result of superior location or other attractive amenities. These properties tend to have a much higher value than timberlands.

• Rural real estate properties also have a higher value than timberlands, but do not have the same developmental potential as HBU properties. For example, these properties may be appropriate for hunting, conservation or secondary rural housing.

• Non-strategic properties often have locational or operational disadvantages for us, and are typically on the fringe of our ownership areas.

The Real Estate segment engages in real estate sales, subdivision and development activities through Potlatch TRS.

From time to time, we also take advantage of opportunities to sell timberland where we believe pricing to be particularly attractive, to match a sale with a purchase of more desirable property while deferring taxes in a like-kind exchange (LKE) transaction, or to meet various other financial or strategic objectives. Sales of conservation properties and conservation easements on our properties are also included in this segment. Results for the segment depend on the demand for our non-core timberlands, the types of properties sold, the basis of these properties and the timing of closings of property sales. Although large sales of non-strategic properties can cause

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results that are not comparable or predictable between periods, we have maintained a relatively consistent level of rural real estate and HBU sales.

A main focus of this segment is to continually assess the highest value use of our lands. We conduct periodic stratification assessments on our lands and as new lands are acquired. The following tools are used in assessing our lands:

• on-the-ground analysis and verification of modeling assumptions;

• electronic analysis, using geographic information systems; and

• certain measured and ranked attributes, such as timber potential, recreational opportunities, accessibility, special features and population and demographic trends.

We have identified approximately 300,000 acres of non-core timberland real estate. This includes approximately 80,000 acres of HBU property, 80,000 acres of non-strategic timberland and 140,000 acres of rural real estate property. Sales of these lands are expected to occur over a decade or more, with the goal of utilizing LKE transactions or other tax-advantaged methods when it is appropriate.

Seasonality

Log and pulpwood sales volumes in our Resource segment are typically lower in the first half of each year, as winter rains in the Southern region and spring thaw in the Northern region limit timber harvesting operations due to softened roadbeds and wet logging conditions that restrict access to logging sites. The third quarter is typically our Resource segment's strongest production quarter. Real Estate dispositions and acquisitions can be adversely affected when access to any properties to be sold or considered for acquisition is limited due to adverse weather conditions. Demand for our manufactured wood products typically decreases in the winter months when construction activity is slower and increases in the spring, summer and fall when construction activity is generally higher.

Geographic Areas

All of our timberlands, wood products manufacturing facilities and other real estate and assets are located within the continental United States. In 2014, 2013 and 2012, approximately 1%, 2% and 2%, of the respective year's revenues were derived from sales of manufactured wood products to Canada and Mexico, with the remainder of our revenues resulting from domestic sales.

Environmental Regulation

We are subject to extensive federal and state environmental regulation of our wood products manufacturing facilities and timberlands, particularly with respect to air emissions, wastewater discharges, solid and hazardous waste management, site remediation, forestry operations, and threatened and endangered species. We are also subject to the requirements of the Federal Occupational Safety and Health Act and comparable state statutes relating to the health and safety of our employees. We maintain environmental and safety compliance programs and conduct regular internal and independent third-party audits of our facilities and timberlands to monitor compliance with these laws and regulations. Compliance with environmental regulations is a significant factor in our business and requires capital expenditures as well as additional operating costs.

We believe that our manufacturing facilities and timberland operations are currently in substantial compliance with applicable environmental laws and regulations. We cannot be certain, however, that situations that give rise to material environmental liabilities will not be discovered.

Enactment of new environmental laws or regulations, or changes in existing laws or regulations, particularly relating to air and water quality, or their enforcement, may require significant expenditures by us or may adversely affect our timberland management and harvesting activities.

Similarly, a number of species indigenous to our timberlands have been listed as threatened or endangered or have been proposed for one or the other status under the Endangered Species Act. As a result, our activities in or adjacent to the habitat of these species may be subject to restrictions on the harvesting of timber, reforestation activities and the construction and use of roads.

We expect legislative and regulatory developments in the area of climate change to address carbon dioxide emissions and renewable energy and fuel standards. It is unclear as of this date how any such developments will affect our business.

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At this time, we believe that federal and state laws and regulations related to the protection of endangered species and air and water quality will not have a material adverse effect on our financial position, results of operations or liquidity. We anticipate, however, that increasingly strict laws and regulations relating to the environment, natural resources and forestry operations, as well as increased social concern over environmental issues, may result in additional restrictions on us leading to increased costs, additional capital expenditures and reduced operating flexibility.

Information regarding potentially material environmental proceedings is included in Note 14: Commitments and Contingencies in theNotes to Consolidated Financial Statements contained in this report and incorporated herein by reference.

Employees

As of December 31, 2014, we had 887 employees. The workforce consisted of 219 salaried, 631 hourly and 37 temporary or part-time employees. As of December 31, 2014, 18% of the workforce was covered under one collective bargaining agreement, which expires in May 2016.

ITEM 1A. RISK FACTORS

Investing in our common stock involves a significant degree of risk. Our business, financial condition, results of operations or liquidity could be materially adversely affected by any of the following risks and, as a result, the trading price of our common stock could decline. The risks described below are not the only ones we face. Additional risks not presently known to us or that we currently deem immaterial may also impair our business, financial condition, results of operations or liquidity. In addition to the risk factors discussed below, investors should carefully consider the risks and uncertainties presented in Part 1 - Item 1. Business.

Business and Operating Risks

Our cash distributions are not guaranteed and may fluctuate, which could adversely affect our stock price.

Under the REIT rules, to remain qualified as a REIT, a REIT must distribute, within a certain period after the end of each year, 90% of its ordinary taxable income for such year. Our REIT income, however, consists primarily of net capital gains resulting from payments received under timber cutting contracts with Potlatch TRS and third parties, rather than ordinary taxable income. Therefore, unlike most REITs, we are not required to distribute material amounts of cash to remain qualified as a REIT. If, after giving effect to our distributions, we have not distributed an amount equal to 100% of our REIT ordinary taxable income and net capital gains income, then we would be required to pay tax on the undistributed portion of such taxable income at regular corporate tax rates and our stockholders would be required to include their proportionate share of any undistributed capital gain in income and would receive a credit or refund for their share of the tax paid by us.

Our Board of Directors, in its sole discretion, determines the actual amount of distributions to be made to stockholders based on consideration of a number of factors, including, but not limited to, our results of operations, cash flow and capital requirements, economic conditions in our industry and in the markets for our products, tax considerations, borrowing capacity, debt covenant restrictions, timber prices, harvest levels on our timberlands, market demand for timberlands, including timberland properties we have identified as potentially having a higher and better use, and future acquisitions and dispositions. For a description of debt covenants that could limit our ability to make distributions to stockholders in the future, see Liquidity and Capital Resources in Management’s Discussion and Analysis of Financial Condition and Results of Operations. Consequently, the level of future distributions to our stockholders may fluctuate, and any reduction in the distribution rate may adversely affect our stock price.

The cyclical nature of our business could adversely affect our results of operations.

The financial performance of our operations is affected by the cyclical nature of our business. The markets for timber, manufactured wood products and real estate are influenced by a variety of factors beyond our control. The demand for our timber and manufactured wood products is affected by the level of new residential construction activity and, to a lesser extent, home repair and remodeling activity, which are subject to fluctuations due to changes in economic conditions, interest rates, credit availability, population growth, weather conditions and other factors. The demand for logs is also affected by the demand for wood chips in the pulp and paper markets. The supply of timber and logs has historically increased during favorable pricing environments, which then causes

2014 FORM 10-K / 9

downward pressure on prices. Historical prices for our manufactured wood products have been volatile, and we have limited direct influence over the timing and extent of price changes for our manufactured wood products. The demand for real estate can be affected by changes in factors such as interest rates, credit availability and economic conditions, as well as by the impact of federal, state and local land use and environmental protection laws.

Our operating results and cash flows will be materially affected by supply and demand for timber.

A variety of factors affect prices for timber, including factors affecting demand, such as changes in economic conditions, the level of domestic new construction and remodeling activity, foreign demand, interest rates, credit availability, population growth, weather conditions and pest infestation, as well as changes in timber supply and other factors. All of these factors can vary by region, timber type (sawlogs or pulpwood logs) and species.

Timber prices are affected by changes in demand on a local, national or international level. The closure of a mill in the regions where we own timber can have a material adverse effect on demand and therefore pricing. As the demand for paper nationwide continues to decline, closures of pulp mills have adversely affected the demand for pulpwood and wood chips in certain of the regions in which we operate. Also, demand in other parts of the world may affect timber prices in the markets in which we compete. For example, during the past few years, demand from Asia has remained steady, and although we do not sell into the Asian markets, Asian demand has affected supply and demand in the markets in which we participate. A decrease in Asian demand may have a negative impact on lumber and timber prices in the markets in which we compete.

Timber prices are also affected by changes in timber availability at the local, national and international level. Our timberland ownership is currently concentrated in Alabama, Arkansas, Idaho, Minnesota and Mississippi. In Alabama, Arkansas, Minnesota and Mississippi, most timberlands are privately owned. Historically, increases in timber prices have often resulted in substantial increases in harvesting on private timberlands, including lands not previously made available for commercial timber operations, causing a short-term increase in supply that has tended to moderate price increases. Decreases in timber prices have often resulted in lower harvest levels, causing short-term decreases in supply that have tended to moderate price decreases. In Idaho, where a greater proportion of timberland is government owned, any substantial increase in timber harvesting from government-owned land could significantly reduce timber prices, which would harm our results of operations. For more than 20 years, environmental concerns and other factors have limited timber sales by federal agencies, which historically had been major suppliers of timber to the U.S. forest products industry, particularly in the West. Any reversal of policy that substantially increases timber sales from government-owned land could have a material adverse effect on our results of operations and cash flows.

On a local level, timber supplies can fluctuate depending upon factors such as changes in weather conditions and harvest strategies of local timberland owners, as well as occasionally high timber salvage efforts due to events such as unusual pest infestations or fires.

Our wood products are commodities that are widely available from other producers.

Because commodity products have few distinguishing properties from producer to producer, competition for these products is based primarily on price, which is determined by supply relative to demand and competition from substitute products. Prices for our products are affected by many factors outside of our control, and we have no influence over the timing and extent of price changes, which often are volatile. Our profitability with respect to these products depends, in part, on managing our costs, particularly raw material and energy costs, which represent significant components of our operating costs and can fluctuate based upon factors beyond our control.

The wood products industry is highly competitive.

The markets for our wood products are highly competitive, and companies that have substantially greater financial resources than we do compete with us in each of our lines of business. Our wood products are subject to competition from wood products manufacturers in the United States, and to a lesser extent in Canada. After years of trade disputes over Canadian softwood lumber imports, the United States and Canada signed a 7 year Softwood Lumber Agreement in 2006, which was subsequently extended to 2015. The agreement establishes a system of tiered taxes and volume restrictions relating to Canadian lumber imports to the United States.There is no assurance that this agreement will be renewed or renegotiated beyond 2015. If it is not renewed or renegotiated, the United States is subject to a one-year standstill on trade litigation upon expiration of the agreement and we would have little recourse to address the import of Canadian lumber into the United States that competes unfairly with our products. Even if the Softwood Lumber Agreement is renewed or renegotiated, there can be no assurance that it will at all times, or at any time, effectively create a fair trade environment. The London Court of International Arbitration has twice ruled that Canada has violated the Softwood Lumber Agreement.

10 / POTLATCH CORPORATION

In addition, our wood products manufacturing facilities are relatively capital intensive, which leads to high fixed costs and generally results in continued production as long as prices are sufficient to cover variable costs. These conditions have contributed to substantial price competition, particularly during periods of reduced demand. Some of our wood products competitors may currently be lower-cost producers than we are, and accordingly these competitors may be less adversely affected than we are by price decreases. Wood products also are subject to significant competition from a variety of substitute products, including non-wood and engineered wood products. To the extent there is a significant increase in competitive pressure from substitute products or other domestic or foreign suppliers, our business could be adversely affected.

Changes in demand for our real estate and delays in the timing of real estate transactions may affect our revenues and operating results.

A number of factors, including availability of credit, a slowing of residential real estate development, population shifts and changes in demographics could reduce the demand for our real estate and negatively affect our results of operations. Changes in investor interest in purchasing timberlands could reduce our ability to execute sales of non-strategic timberlands and could also negatively affect our results of operations. In addition, changes in the interpretation or enforcement of current laws, or the enactment of new laws, regarding the use and development of real estate, or changes in the political composition of federal, state and local governmental bodies could lead to new or greater costs, delays and liabilities that could materially adversely affect our real estate business, profitability or financial condition.

In addition, there are inherent uncertainties in the timing of real estate transactions that could adversely affect our operating results in any particular quarter. The timing of real estate sales is a function of many factors, including the general state of the economy, demand in local real estate markets, the number of properties listed for sale, the seasonal nature of sales, the plans of adjacent landowners and our expectations of future price appreciation. Delays in the completion of transactions or the termination of potential transactions may be beyond our control. These events could adversely affect our operating results.

We may be unable to harvest timber or we may elect to reduce harvest levels due to market conditions, either of which could adversely affect our results of operations and cash flows.

Our timber harvest levels and sales may be limited due to weather conditions, timber growth cycles, restrictions on access, availability of contract loggers, and regulatory requirements associated with the protection of wildlife and water resources, as well as by other factors, including damage by fire, pest infestation, disease and natural disasters such as ice storms, wind storms, tornados, hurricanes and floods. Changes in global climate conditions could intensify one or more of these factors. Although damage from such natural causes usually is localized, affecting only a limited percentage of our timber, there can be no assurance that any damage affecting our timberlands will be limited. We typically experience seasonally lower harvest activity during the winter and early spring due to weather conditions. Severe weather conditions and other natural disasters can also reduce the productivity of timberlands and disrupt the harvesting and delivery of logs. Our financial results and cash flows are dependent to a significant extent on our continued ability to harvest timber at adequate levels.

On a short-term basis, we may adjust our timber harvest levels in response to market conditions. Longer term, our timber harvest levels will be affected by acquisitions of additional timberlands, sales of existing timberlands and shifts in harvest from one region to another. In addition to timberland acquisitions and sales, future timber harvest levels may be affected by changes in estimates of long-term sustainable yield because of silvicultural advances, natural disasters, fires, pests, insects and other hazards, regulatory constraints and other factors beyond our control.

We do not insure against losses of standing timber from fire or any other causes.

The volume and value of timber that can be harvested from our lands may be affected by natural disasters such as fire, pest infestation, disease, ice storms, wind storms, tornados, hurricanes, floods and other weather conditions and causes beyond our control. As is typical in the forest industry, we assume substantially all risk of loss to the standing timber we own from fire and other hazards because insuring for such losses is not practicable. Consequently, a reduction in our timber inventory could adversely affect our financial results and cash flows.

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A material disruption at one of our manufacturing facilities could prevent us from meeting customer demand, reduce our sales or negatively affect our results of operations and financial condition.

Any of our manufacturing facilities, or any of our machines within an otherwise operational facility, could cease operations unexpectedly due to a number of events, including unscheduled maintenance outages, prolonged power failures, equipment failures, labor difficulties, disruptions in the transportation infrastructure, such as roads, bridges, railroad tracks and tunnels, fire, ice storms, floods, windstorms, tornados, hurricanes or other catastrophes, terrorism or threats of terrorism, governmental regulations and other operational problems.

Any such downtime or facility damage could prevent us from meeting customer demand for our products and/or require us to make unplanned capital expenditures. If one of these machines or facilities were to incur significant downtime, our ability to meet our production targets and satisfy customer requirements could be impaired, resulting in lower sales and income.

Our businesses are affected by transportation availability and costs.

Our business depends on the availability of logging contractors and providers of transportation of wood products, and is materially affected by the cost of these service providers. Therefore, increases in the cost of fuel could negatively impact our financial results by increasing the cost associated with logging activities and transportation services, and could also result in an overall reduction in the availability of these services.

We may be unsuccessful in carrying out our acquisition strategy.

We have pursued, and intend to continue to pursue, acquisitions of strategic timberland properties and other forest products assets. We compete with buyers that have substantially greater financial resources than we have for acquisition opportunities. We intend to finance acquisitions through cash from operations, borrowings under our credit facility, proceeds from equity or debt offerings, or proceeds from asset dispositions, or any combination thereof. In addition, it is uncertain whether any acquisitions we make will perform in accordance with our expectations. The failure to identify and complete acquisitions of suitable properties, our inability to finance future acquisitions on favorable terms or our inability to complete like-kind exchanges, could adversely affect our operating results and cash flows.

Our businesses are subject to extensive environmental laws and regulations.

Our operations are subject to a variety of federal, state and local laws and regulations regarding protection of the environment, including those relating to the protection of timberlands, endangered species, timber harvesting practices, recreation and aesthetics, protection and restoration of natural resources, air and water quality, and remedial standards for contaminated soil, sediments and groundwater. Failure to comply with these requirements can result in significant fines or penalties, as well as liabilities for remediation of contaminated sites, natural resource damages, or alleged personal injury or property damage claims.

Laws, regulations and related judicial decisions and administrative interpretations affecting our business are subject to change and new laws and regulations that may affect our business are frequently enacted. These changes may adversely affect our ability to harvest and sell timber and operate our manufacturing facilities and may adversely affect the ability of others to develop property we intend to sell for higher and better use purposes. Over time, the complexity and stringency of these laws and regulations have increased markedly and the enforcement of these laws and regulations has intensified. We believe that these laws and regulations will continue to become more restrictive and over time could adversely affect our operating results. Regulatory restrictions on future harvesting activities may be significant. Federal, state and local laws and regulations, which are intended to protect threatened and endangered species, as well as waterways and wetlands, limit and may prevent timber harvesting, road building and other activities on our timberlands. For example, the Clean Water Act and comparable state laws, regulations and best management practices programs protect water quality. As a result, our resource management activities adjacent to rivers and streams as well as the point source discharges from our manufacturing facilities are subject to strict regulation and there can be no assurance that our forest management and manufacturing activities will not be subject to increased regulation under the Clean Water Act in the future.

Similarly, the threatened and endangered species restrictions apply to activities that would adversely impact a protected species or significantly degrade its habitat. A number of species on our timberlands have been and in the future may be protected under these laws. If current or future regulations or their enforcement become more restrictive, the amount of our timberlands subject to harvest restrictions could increase.

12 / POTLATCH CORPORATION

We anticipate that increasingly strict laws and regulations relating to the environment, natural resources and forestry operations, as well as increased social concern over environmental issues, may result in additional restrictions on us leading to increased costs, additional capital expenditures and reduced operating flexibility.

Our manufacturing operations are subject to stringent environmental laws, regulations and permits covering air emissions, wastewater discharge, water usage, and waste handling and disposal that govern how we operate our facilities. These laws, regulations and permits, now and in the future, may restrict our current production and limit our ability to increase production, and impose significant costs on our operations with respect to environmental compliance. Overall, it is expected that environmental compliance costs will likely increase over time as environmental requirements become more stringent, and as the expectations of the communities in which we operate become more demanding.

Certain environmental laws, including the Comprehensive Environmental Response, Compensation and Liability Act of 1980 (CERCLA) impose strict, and under certain circumstances joint and several, liability on responsible parties, including current and former owners and operators of contaminated sites, for costs of investigation and remediation of contamination. They also impose liability for related damages to natural resources. We have in the past been identified by the Environmental Protection Agency (EPA) as a potentially responsible party under CERCLA at various locations, and we are currently identified as a potentially responsible party in connection with one of our properties. Additional information regarding this matter is included in Note 14: Commitments and Contingencies in the Notes to Consolidated Financial Statements included in this report, and that information is incorporated herein by reference. It is possible that other facilities we own or operate, or formerly owned or operated, or timberlands we now own or acquire, could also become subject to liabilities under these laws. The cost of investigation and remediation of contaminated properties could increase operating costs and adversely affect our financial results. Although we believe we have appropriate reserves recorded for the investigation and remediation of known matters, there can be no assurance that actual expenditures will not exceed our expectations, that reserves will not be increased, or that other unknown liabilities will not be discovered in the future.

Environmental groups and interested individuals may intervene in the regulatory processes in the locations where we own timberlands and operate our wood products mills. Delays or restrictions on our operations due to the intervention of environmental groups or interested individuals could adversely affect our operating results. In addition to intervention in regulatory proceedings, interested parties may file or threaten to file lawsuits that seek to prevent us from obtaining permits, implementing capital improvements or pursuing operating plans or to require us to obtain permits before pursuing operating plans. Any lawsuit, or even a threatened lawsuit, could delay harvesting on our timberlands or impact our ability to operate or invest in our wood products mills.

Our defined benefit pension plans are currently underfunded.

As a result of the steep downturn in the stock market in the fourth quarter of 2008 and the resulting effects on long-term interest rates and discount rates, our defined benefit pension plans have been underfunded since December 31, 2008, as the projected benefit obligation exceeds the aggregate fair value of plan assets. As a result of the underfunding, we may be required to make contributions to our qualified pension plans. Based on estimated year-end asset values and projections of plan liabilities, during 2015 we are not required to make a contribution to our qualified pension plans. However, we will be making payments of approximately $1.8 million for our non-qualified pension plan.

The determination of pension plan expense and the requirements for funding our pension plans are based on a number of actuarial assumptions. Two critical assumptions are the expected rate of return on plan assets and the discount rate applied to pension plan obligations. Pension plan assets primarily consist of equity and fixed income investments, so fluctuations in actual equity market returns and changes in long-term interest rates may result in increased pension costs in future periods. Changes in assumptions regarding discount rates and expected rates of return on plan assets could also increase future pension costs. In addition, in 2014, the Society of Actuaries' Retirement Plans Experience Committee released new mortality tables. Adoption of these tables could result in increased funding requirements in future periods. Changes in any of these factors may significantly impact future contribution requirements.

We depend on external sources of capital for future growth.

Our ability to finance growth is dependent to a significant degree on external sources of capital. Our ability to access such capital on favorable terms could be hampered by a number of factors, many of which are outside of our control, including a decline in general market conditions, decreased market liquidity, a downgrade to our public debt rating, increases in interest rates, an unfavorable market perception of our growth potential, a decrease in our current or estimated future earnings or a decrease in the market price of our common stock. In addition, our ability

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to access additional capital may also be limited by the terms of our existing indebtedness, which, among other things, restricts our incurrence of debt and the payment of dividend distributions. Any of these factors, individually or in combination, could prevent us from being able to obtain the capital we require on terms that are acceptable to us, and the failure to obtain necessary capital could materially adversely affect our future growth.

A strike or other work stoppage, or our inability to renew collective bargaining agreements on favorable terms, could adversely affect our financial results.

As of December 31, 2014, approximately 18% of our workforce was covered by one collective bargaining agreement, which expires in May 2016. While we believe our relations with our employees are satisfactory, we cannot be certain that we will be able to negotiate a new collective bargaining agreement on favorable terms. If we are unable to negotiate an acceptable new agreement with the union upon expiration of the existing contract, we could experience a strike or work stoppage. Even if we are successful in negotiating a new agreement, the new agreement could call for higher wages or benefits paid to union members, which would increase our operating costs and could adversely affect our profitability. If our unionized workers were to engage in a strike or other work stoppage, or other non-unionized operations were to become unionized, we could experience a significant disruption of operations at our facilities or higher ongoing labor costs. A strike or other work stoppage in the facilities of any of our major customers or suppliers could also have similar effects on us.

Risks Related to Our Indebtedness

Our indebtedness could materially adversely affect our ability to generate sufficient cash to make distributions to stockholders and fulfill our debt obligations, our ability to react to changes in our business and our ability to incur additional indebtedness to fund future needs.

Our debt requires interest and principal payments. As of December 31, 2014, we had long-term debt of $629.3 million, including $22.9 million due in December 2015. Subject to the limits contained in our debt instruments, we may be able to incur additional debt from time to time to finance working capital, capital expenditures, investments or acquisitions, or for other purposes. If we do so, the risks related to our indebtedness could intensify.

Our indebtedness increases the possibility that we may be unable to generate cash sufficient to pay, when due, the principal of, interest on or other amounts due in respect of our indebtedness or to make distributions to our stockholders. Our indebtedness, combined with our other financial obligations and contractual commitments, could have important consequences for stockholders. For example, it could:

• make it more difficult for us to satisfy our obligations with respect to our indebtedness, and any failure to comply with the obligations under any of our debt instruments, including restrictive covenants, could result in an event of default under the agreements governing such indebtedness;

• require us to dedicate a substantial portion of our cash flow from operations to payments on our indebtedness, thereby reducing funds available for distributions to stockholders, working capital, capital expenditures, acquisitions and other purposes;

• increase our vulnerability to adverse economic and industry conditions, which could place us at a competitive disadvantage compared to our competitors that have relatively less indebtedness;

• limit our flexibility in planning for, or reacting to, changes in our business and the industries in which we operate; and

• limit our ability to borrow additional funds, or to dispose of assets to raise funds, if needed, for distributions to stockholders, working capital, capital expenditures, acquisitions and other corporate purposes.

14 / POTLATCH CORPORATION

Changes in credit ratings issued by nationally recognized statistical rating organizations could adversely affect our cost of financing and have an adverse effect on the market price of our securities.

Credit rating agencies rate our debt securities on factors that include our operating results, actions that we take, their view of the general outlook for our industry and their view of the general outlook for the economy. Actions taken by the rating agencies can include maintaining, upgrading or downgrading the current rating or placing the company on a watch list for possible future downgrading. Downgrading the credit rating of our debt securities or placing us on a watch list for possible future downgrading could limit our access to the credit markets, increase our cost of financing, and have an adverse effect on the market price of our securities.

REIT and Tax-Related Risks

If we fail to remain qualified as a REIT, income from our timberlands will be subject to taxation at regular corporate rates and we will have reduced funds available for distribution to our stockholders.

Qualification as a REIT involves the application of highly technical and complex provisions of the Internal Revenue Code to our operations, including satisfaction of certain asset, income, organizational, distribution, stockholder ownership and other requirements, on a continuing basis. Given the highly complex nature of the rules governing REITs, the ongoing importance of factual determinations and the possibility of future changes in our circumstances, no assurance can be given that we will remain qualified as a REIT.

In addition, the rules dealing with federal income taxation are constantly under review by persons involved in the legislative process and by the IRS and the U.S. Department of the Treasury (Treasury). Changes to the tax laws affecting REITs or taxable REIT subsidiaries, which may have retroactive application, could adversely affect our stockholders or us. We cannot predict how changes in the tax laws might affect our stockholders or us. Accordingly, we cannot provide assurance that new legislation, Treasury regulations, administrative interpretations or court decisions will not significantly affect our ability to remain qualified as a REIT, the federal income tax consequences of such qualification, the determination of the amount of REIT taxable income or the amount of tax paid by the TRS.

If in any taxable year we fail to remain qualified as a REIT:

• we would not be allowed a deduction for distributions to stockholders in computing our taxable income; and

• we would be subject to federal income tax on our taxable income at regular corporate rates, including any applicable alternative minimum tax.

Any such corporate tax liability could be substantial and would reduce the amount of cash available for distribution to our stockholders, which in turn could have an adverse impact on the value of our common stock. In addition, we would be disqualified from treatment as a REIT for the four taxable years following the year during which the qualification was lost, unless we are entitled to relief under certain statutory provisions. As a result, net income and the funds available for distribution to our stockholders could be reduced for up to five years, which would have an adverse impact on the value of our common stock.

Certain of our business activities are potentially subject to a prohibited transactions tax on 100% of our net income derived from such activities, which would reduce our cash flow and impair our ability to make distributions.

REITs are generally intended to be passive entities and can thus only engage in those activities permitted by the Internal Revenue Code, which for us generally include owning and managing a timberland portfolio, growing timber and selling standing timber.

Accordingly, the manufacture and sale of wood products, certain types of timberland sales, and the harvest and sale of logs are conducted through Potlatch TRS because such activities generate non-qualifying REIT income and could constitute “prohibited transactions” if such activities were engaged in directly by the REIT. In general, prohibited transactions are defined by the Internal Revenue Code to be sales or other dispositions of property held primarily for sale to customers in the ordinary course of a trade or business.

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By conducting our business in this manner, we believe we will satisfy the REIT requirements of the Internal Revenue Code and thus avoid the 100% tax that could be imposed if a REIT were to conduct a prohibited transaction. We may not always be successful, however, in limiting such activities to Potlatch TRS. Therefore, we could be subject to the 100% prohibited transactions tax if such instances were to occur, which would adversely affect our cash flow and impair our ability to make quarterly distributions.

Our REIT structure may limit our ability to invest in our non-REIT qualifying operations.

Our use of Potlatch TRS enables us to continue to engage in non-REIT qualifying business activities consisting primarily of our manufacturing facilities, assets used for the harvesting of timber and the sale of logs, and selected land parcels that we expect to be sold or developed for higher and better use purposes. However, under the Internal Revenue Code, no more than 25% of the value of the assets of a REIT may be represented by securities of our taxable REIT subsidiaries. This may limit our ability to make investments in our wood products manufacturing operations or in other non-REIT qualifying operations.

Our ability to fund distributions and service our indebtedness using cash generated through our taxable REIT subsidiary may be limited.

The rules with which we must comply to maintain our status as a REIT limit our ability to use dividends from Potlatch TRS for the payment of stockholder distributions and to service our indebtedness. In particular, at least 75% of our gross income for each taxable year as a REIT must be derived from sales of our standing timber and other types of real estate income. No more than 25% of our gross income may consist of dividends from Potlatch TRS and other non-qualifying types of income. This requirement may limit our ability to receive dividends from Potlatch TRS and may impact our ability to fund distributions to stockholders and service the REIT's indebtedness using cash from Potlatch TRS.

We may not be able to complete desired like-kind exchange transactions for property we sell.

We sometimes seek to match sales and acquisitions of properties, which allows us to use Internal Revenue Code section 1031 like-kind exchange tax-deferred treatment. The matching of sales and purchases provides us with significant tax benefits, primarily the deferral of any gain on the property sold until the ultimate disposition or harvest of the replacement property. While we may attempt to complete like-kind exchanges when it is appropriate, it is unlikely that we will be able to do so in all instances due to various factors, including the lack of availability of suitable replacement property on acceptable terms and the inability to complete a qualifying like-kind exchange transaction within the time frames required by the Internal Revenue Code. The inability to obtain like-kind exchange treatment could result in the payment of taxes with respect to REIT property sold in 2015, and a corresponding reduction in income and cash available for distribution to stockholders.

We may not be able to realize our deferred tax assets.

We may not have sufficient future taxable income to realize all our deferred tax assets. The ultimate realization of deferred tax assets depends on the generation of future taxable income during the periods in which our temporary differences are deductible as governed by the tax code. The amount of our deferred tax assets could be reduced in the near term if future taxable income does not materialize or management is unable to implement one or more strategies that it has identified to generate taxable income. See Note 8: Income Taxes in the Notes to Consolidated Financial Statements contained in this report for additional information about our deferred tax assets.

Risks Related to Ownership of Our Common Stock

The price of our common stock may be volatile.

The market price of our common stock may be influenced by many factors, some of which are beyond our control, including those described above under "Business and Operating Risks" and the following: actual or anticipated fluctuations in our operating results or our competitors’ operating results, announcements by us or our competitors of capacity changes, acquisitions or strategic investments, our growth rate and our competitors’ growth rates, the financial markets, interest rates and general economic conditions, changes in stock market analyst recommendations regarding us, our competitors or the forest products industry generally, or lack of analyst coverage of our common stock, failure to pay cash dividends or the amount of cash dividends paid, sales of our common stock by our executive officers, directors and significant stockholders or sales of substantial amounts of common stock, changes in accounting principles and changes in tax laws and regulations.

16 / POTLATCH CORPORATION

Certain provisions of our certificate of incorporation and bylaws and of Delaware law may make it difficult for stockholders to change the composition of our board of directors and may discourage hostile take over attempts that some of our stockholders may consider to be beneficial.

Certain provisions of our certificate of incorporation and bylaws and Delaware law may have the effect of delaying or preventing changes in control if our board of directors determines that such changes in control are not in the best interest of us and our stockholders. The provisions in our certificate or incorporation and bylaws include, among other things, the following:

• a classified board of directors with three-year staggered terms;

• the ability of our board of directors to issue shares of preferred stock and to determine the price and other terms, including preferences and voting rights, of those shares without stockholder approval;

• stockholder action can only be taken at a special or regular meeting and not by written consent and stockholders cannot call a special meeting except upon the written request of stockholders entitled to cast not less than a majority of all of the votes entitled to be cast at the meeting;

• advance notice procedures for nominating candidates to our board of directors or presenting matters at stockholder meetings;

• removal of directors only for cause;

• allowing only our board of directors to fill vacancies on our board of directors;

• in order to facilitate the preservation of our status as a REIT under the Internal Revenue Code, a prohibition on any single stockholder, or any group of affiliated stockholders, from beneficially owning more than 9.8% of our outstanding common or preferred stock, unless our board waives or modifies this ownership limitation;

• unless approved by the vote of at least 80% of our outstanding shares, we may not engage in business combinations, including mergers, dispositions of assets, certain issuances of shares of stock and other specified transactions, with a person owning or controlling, directly or indirectly, 5% or more of the voting power of our outstanding common stock; and

• supermajority voting requirements to amend our bylaws and certain provisions of our certificate of incorporation.

While these provisions have the effect of encouraging persons seeking to acquire control of our company to negotiate with our board of directors, they could enable the board of directors to hinder or frustrate a transaction that stockholders might believe to be in their best interests and, in that case, may prevent or discourage attempts to remove and replace incumbent directors. We are also subject to Delaware laws that could have similar effects. One of these laws prohibits us from engaging in a business combination with a significant stockholder unless specific conditions are met.

ITEM 1B. UNRESOLVED STAFF COMMENTS

None.

ITEM 2. PROPERTIES

Information on our locations and facilities is included in Part I - Item 1. Business under each of the respective segment headers.

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ITEM 3. LEGAL PROCEEDINGS

Other than the environmental proceedings described in Note 14: Commitments and Contingencies in the Notes to Consolidated Financial Statements, which is incorporated herein by reference, we believe there is no pending or threatened litigation that would have a material adverse effect on our financial position, operations or liquidity.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

18 / POTLATCH CORPORATION

Part II

ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY, RELATED STOCKHOLDER

MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Our common stock trades on The Nasdaq Global Select Market (NASDAQ). The quarterly high and low sales price per share of our common stock and the quarterly cash distribution payments per share for 2014 and 2013, were as follows:

	2014						2013
QUARTER	HIGH		LOW		CASH DISTRIBUTIONS		HIGH		LOW		CASH DISTRIBUTIONS
1st	$	42.44	$	37.52	$	0.350	$	46.01	$	39.43	$	0.31
2nd	41.80		37.04		0.350		51.48		39.66		0.31
3rd	43.20		39.83		0.350		44.93		37.59		0.31
4th	44.20		39.89		0.375		43.84		38.01		0.35

There were approximately 1,160 stockholders of record at January 31, 2015.

Our Board of Directors, in its sole discretion, determines the actual amount of distributions to be made to stockholders based on consideration of a number of factors, including, but not limited to, our results of operations, cash flow and capital requirements, economic conditions in our industry and in the markets for our products, tax considerations, borrowing capacity, debt covenant restrictions, timber prices, harvest levels on our timberlands, market demand for timberlands, including timberland properties we have identified as potentially having a higher and better use, and future acquisitions and dispositions. Consequently, the level of distributions to our stockholders may fluctuate and any reduction in the distribution rate may adversely affect our stock price.

Reference is made to the discussion in Liquidity and Capital Resources in Management’s Discussion and Analysis of Financial Condition and Results of Operations, of (i) the covenants in our bank credit facility and term loan and the indenture governing our senior notes with which we must comply in order to make cash distributions and (ii) the REIT tax rules, which under certain circumstances may restrict our ability to receive dividends from Potlatch TRS, our taxable REIT subsidiary.

There are currently no authorized repurchase programs in effect under which we may repurchase shares.

See Part III - Item 12. Security Ownerships of Certain Beneficial Owners and Management and Related Stockholder Mattersof this report for a tabular summary of shares authorized for issuance under our equity compensation plans, which information is incorporated herein by reference.

2014 FORM 10-K / 19

Company Stock Price Performance

The following graph and table show a five-year comparison of cumulative total stockholder returns for the company, the NAREIT Equity Index, the Standard & Poor’s 500 Composite Index and a group of six companies that we refer to as our Peer Group for the period ended December 31, 2014. The total stockholder return assumes $100 invested at December 31, 2009, with quarterly reinvestment of all dividends.

	At December 31,
	2010		2011		2012		2013		2014
Potlatch Corporation	$	108	$	109	$	142	$	156	$	163
NAREIT Equity Index	128		139		164		168		218
S&P 500 Composite	115		117		136		180		205
2014 Peer Group1	110		114		157		167		179

¹ Our Peer Group companies are Deltic Timber Corp., Plum Creek Timber Co., Inc., Rayonier Inc., St. Joe Co., Universal Forest Products Inc. and Weyerhaeuser Co. Returns are weighted based on market capitalizations as of the beginning of each year.

ITEMS 6, 7, 7A and 8.

The information called for by Items 6, 7, 7A and 8, inclusive, of Part II of this form is contained in the following sections of this report at the pages indicated below:

		PAGE NUMBER
ITEM 6	Selected Financial Data	27
ITEM 7	Management’s Discussion and Analysis of Financial Condition and Results of Operations	28
ITEM 7A	Quantitative and Qualitative Disclosures About Market Risk	40
ITEM 8	Financial Statements and Supplementary Data	42

20 / POTLATCH CORPORATION

ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING

AND FINANCIAL DISCLOSURE

None.

ITEM 9A. CONTROLS AND PROCEDURES

We conducted an evaluation (pursuant to Rule 13a-15(b) of the Securities Exchange Act of 1934 (the Exchange Act)), under the supervision and with the participation of management, including the Chief Executive Officer (CEO)and Chief Financial Officer (CFO), of the effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e) of the Exchange Act) as of December 31, 2014. These disclosure controls and procedures are designed to ensure that information required to be disclosed in our reports that are filed or submitted under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission's rules and forms. Our disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that this information is accumulated and communicated to management, including the principal executive and principal financial officers, or persons performing similar functions, as appropriate, to allow timely decisions regarding required disclosure. Based on the evaluation, the CEO and CFO have concluded that these disclosure controls and procedures were effective as of December 31, 2014.

Management's Annual Report on Internal Control Over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as defined in Rule 13a-15(f) under the Exchange Act of 1934.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Our management, with the participation of our CEO and CFO, assessed the effectiveness of our internal control over financial reporting as of December 31, 2014. In making this assessment, our management used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission in Internal Control-Integrated Framework (2013).

Based on our assessment, management believes that, as of December 31, 2014, our internal control over financial reporting is effective based on those criteria.

The effectiveness of our internal control over financial reporting as of December 31, 2014, has been audited by KPMG LLP, an independent registered public accounting firm. The audit report is included in the Reports of Independent Registered Public Accountants section of this document.

Changes in Internal Control Over Financial Reporting

There were no changes in our internal control over financial reporting that occurred during the latest fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

ITEM 9B. OTHER INFORMATION

None.

2014 FORM 10-K / 21

Part III

ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

Certain of the information required by this item is incorporated by reference to the information appearing under the headings "Board of Directors,""Corporate Governance" and "Security Ownership of Certain Beneficial Owners and Management – Section 16(a) Beneficial Ownership Reporting Compliance" from our definitive Proxy Statement to be filed with the Commission on or about April 1, 2015.

Our Corporate Conduct and Ethics Code, which is applicable to all directors, officers and employees, can be found on our website at www.potlatchcorp.com. We post any amendments to or waivers from our Corporate Conduct and Ethics Code on our website.

Executive Officers of the Registrant

Information as of February 13, 2015, and for at least the past five years concerning our executive officers is as follows:

Michael J. Covey (age 57), has served as Chief Executive Officer since February 2006 and served as President and Chief Executive Officer from 2006 to March 2013. He has been a director of the company since February 2006, and has served as Chairman of the Board of the company since January 2007.

Eric J. Cremers (age 51), has served as President and Chief Operating Officer, and a director of the company, since March 2013, as Executive Vice President and Chief Financial Officer from March 2012 to March 2013, and as Vice President, Finance and Chief Financial Officer from July 2007 to March 2012.

Jerald W. Richards (age 46), has served as Vice President and Chief Financial Officer since September 2013. He was employed by Weyerhaeuser Company and served as Chief Accounting Officer from October 2010 to August 2013 and corporate segment controller from 2008 to October 2010.

William R. DeReu (age 48), has served as Vice President, Real Estate and Lake States Resource since February 2012 and as Vice President, Real Estate from May 2006 to February 2012.

Lorrie D. Scott (age 60), has served as Vice President, General Counsel and Corporate Secretary since July 2010. Prior to July 2010, she was employed by Weyerhaeuser Realty Investors, Inc., and served as Senior Vice President and General Counsel from October 2007 to July 2010.

Thomas J. Temple (age 58), has served as Vice President, Wood Products and Southern Resource since February 2012, and as Vice President, Wood Products from January 2009 to February 2012.

The term of office of the officers of the company expires at the annual meeting of our board, and each officer holds office until the officer’s successor is duly elected and qualified or until the earlier of the officer’s death, resignation, retirement, removal by the board or as otherwise provided in our bylaws.

ITEM 11. EXECUTIVE COMPENSATION

Information set forth under the headings "Report of the Executive Compensation Personnel Policies Committee," "Compensation Discussion and Analysis" and "Corporate Governance - Compensation Committee Interlocks and Insider Participation" in our definitive Proxy Statement to be filed with the Commission on or about April 1, 2015, is incorporated herein by reference.

22 / POTLATCH CORPORATION

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND

MANAGEMENT AND RELATED STOCKHOLDER MATTERS

Information regarding any person or group known by us to be the beneficial owner of more than five percent of our common stock as well as the security ownership of management set forth under the heading "Security Ownership of Certain Beneficial Owners and Management" in our definitive Proxy Statement to be filed with the Commission on or about April 1, 2015, is incorporated herein by reference.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR

INDEPENDENCE

The information required by this item regarding certain relationships and related transactions is included under the heading "Corporate Governance - Transactions with Related Persons" in our definitive Proxy Statement to be filed with the Commission on or about April 1, 2015, and is incorporated herein by reference.

The information required by this item regarding director independence is included under the headings "Board of Directors" and "Corporate Governance - Director Independence" in our definitive Proxy Statement to be filed with the Commission on or about April 1, 2015, and is incorporated herein by reference.

ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

The information required by this item regarding principal accounting fees and services is included under the heading "Fees Paid to Independent Registered Public Accounting Firm in 2014 and 2013" in our definitive Proxy Statement to be filed with the Commission on or about April 1, 2015, and is incorporated herein by reference.

2014 FORM 10-K / 23

Part IV

ITEM 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

Consolidated Financial Statements

Our consolidated financial statements are listed in the Index to Consolidated Financial Statements and Schedules.

Financial Statement Schedules

None.

Exhibits

Exhibits are listed in the Exhibit Index.

24 / POTLATCH CORPORATION

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

POTLATCH CORPORATION
(Registrant)
By	/S/ MICHAEL J. COVEY
	Michael J. Covey
	Chairman of the Board and Chief Executive Officer

Date: February 13, 2015

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below on February 13, 2015, by the following persons on behalf of the registrant in the capacities indicated.

BY	/S/    MICHAEL J. COVEY	Director, Chairman of the Board, and Chief Executive Officer (Principal Executive Officer)
	Michael J. Covey
BY	/S/    ERIC J. CREMERS	Director, President and Chief Operating Officer
	Eric J. Cremers
BY	/S/    JERALD W. RICHARDS	Vice President and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)
	Jerald W. Richards
	*	Director
	Boh A. Dickey
	*	Director
	William L. Driscoll
	*	Director
	Charles P. Grenier
	*	Director
	John S. Moody
	*	Director
	Lawrence S. Peiros
	*	Director
	Gregory L. Quesnel

*By	/S/    LORRIE D. SCOTT
	Lorrie D. Scott
	(Attorney-in-fact)

2014 FORM 10-K / 25

POTLATCH CORPORATION AND CONSOLIDATED SUBSIDIARIES

Index to Consolidated Financial Statements and Schedules

The following documents are filed as part of this report:

	PAGE NUMBER
Selected Financial Data	27
Management’s Discussion and Analysis of Financial Condition and Results of Operations	28
Consolidated Financial Statements:
Consolidated Statements of Income for the years ended December 31, 2014, 2013 and 2012	42
Consolidated Statements of Comprehensive Income for the years ended December 31, 2014, 2013 and 2012	43
Consolidated Balance Sheets at December 31, 2014 and 2013	44
Consolidated Statements of Cash Flows for the years ended December 31, 2014, 2013 and 2012	45
Consolidated Statements of Stockholders’ Equity for the years ended December 31, 2014, 2013 and 2012	46
Notes to Consolidated Financial Statements	47
Reports of Independent Registered Public Accounting Firm	72

26 / POTLATCH CORPORATION

POTLATCH CORPORATION AND CONSOLIDATED SUBSIDIARIES

Selected Financial Data

(Dollars in thousands – except per-share amounts)

	2014		2013		2012		2011		2010
Revenues	$	606,950	$	570,289	$	525,134	$	497,421	$	539,447
Net income	89,910		70,581		42,594		40,266		40,394
Total assets	$	1,035,421	$	680,530	$	718,897	$	746,220	$	781,711
Working capital	21,469		80,051		74,510		57,242		95,762
Long-term debt (including current portion)	629,343		320,092		357,576		366,403		368,496
Stockholders’ equity	225,066		204,148		138,643		142,138		204,439
Current ratio	1.3 to 1		2.6 to 1		2.2 to 1		1.7 to 1		2.5 to 1
Long-term debt to stockholders’ equity ratio	2.8 to 1		1.6 to 1		2.6 to 1		2.6 to 1		1.8 to 1
Capital expenditures:1
Property, plant and equipment	$	13,261	$	10,280	$	5,636	$	5,338	$	5,215
Timberlands reforestation and roads	10,971		12,313		11,774		11,158		9,786
Total capital expenditures	$	24,232	$	22,593	$	17,410	$	16,496	$	15,001
Net income per share:
Basic	$	2.21	$	1.74	$	1.06	$	1.00	$	1.01
Diluted	2.20		1.73		1.05		1.00		1.00
Weighted-average shares outstanding (in thousands):
Basic	40,749		40,503		40,333		40,159		39,971
Diluted	40,894		40,709		40,553		40,383		40,219
Distributions per share	$	1.425	$	1.28	$	1.24	$	1.84	$	2.04

¹ Excludes the acquisition of timber and timberlands.

2014 FORM 10-K / 27

Management’s Discussion and Analysis of Financial Condition and Results of Operations

Overview

We delivered solid financial results in 2014, raised our dividend, completed a strategic acquisition of approximately 201,000 acres of timberlands in Alabama and Mississippi, and preserved our investment grade rating.  Resource segment income increased approximately 16% in 2014, due largely to an increase in Northern sawlog prices.  Lumber prices remained strong, which resulted in another strong year for our Wood Products segment.  Real Estate activity included two large, opportunistic sales in 2014, which resulted in a 48% increase in the segment’s earnings.

According to industry forecasts, total demand for North American lumber is anticipated to increase an additional 4 billion board feet, or approximately 8%, over 2014 levels. The majority of the growth is expected in the new home construction market segment as the U.S. housing market continues its gradual recovery. Factors such as home price increases, the cost of new mortgages, the mortgage approval process and the availability of desirable building lots will continue to play into the pace of the housing recovery. Participation by first-time homebuyers has been low to this point in the recovery by historical standards, and would provide an additional boost to demand. We anticipate southern pine sawlog prices will remain flat in 2015.

Factors Influencing Our Results of Operations and Cash Flows

The operating results of our Resource, Wood Products and Real Estate business segments have been and will continue to be influenced by a variety of factors, including the cyclical nature of the forest products industry, changes in timber prices and in harvest levels from our timberlands, competition, timberland valuations, demand for our non-strategic timberland for higher and better use purposes, the efficiency and level of capacity utilization of our wood products manufacturing operations, changes in our principal expenses such as log costs, asset dispositions or acquisitions, and other factors. See Part I - Item 1. Business for additional information.

Results of Operations

Our business is organized into three reporting segments: Resource, Wood Products and Real Estate. Sales between segments are recorded as intersegment revenues based on prevailing market prices. Approximately one-quarter of the Resource segment's sales have been to our Wood Products segment the last three years. Our other segments generally do not generate intersegment revenues.

In the period-to-period discussions of our consolidated results of operations, our revenues are reported after elimination of intersegment revenues. In the discussions by business segments, each segment’s revenues are presented before elimination of intersegment revenues.

28 / POTLATCH CORPORATION

CONSOLIDATED RESULTS COMPARING 2014 WITH 2013

The following table sets forth year-to-year changes in items included in our Consolidated Statements of Income for the years ended December 31, 2014 and 2013.

	YEARS ENDED DECEMBER 31,
(Dollars in thousands)	2014			2013			AMOUNT OF CHANGE			PERCENT CHANGE
Revenues	$	606,950		$	570,289		$	36,661		6	%
Costs and expenses:
Cost of goods sold	429,789			408,772			21,017			5	%
Selling, general and administrative expenses	44,655			50,397			(5,742		)	(11	)%
Environmental remediation charge	—			3,522			(3,522		)	n/m
	474,444			462,691			11,753			3	%
Operating income	132,506			107,598			24,908			23	%
Interest expense, net	(22,909		)	(23,132		)	223			1	%
Income before income taxes	109,597			84,466			25,131			30	%
Income taxes	(19,687		)	(13,885		)	(5,802		)	(42	)%
Net income	$	89,910		$	70,581		$	19,329		27	%

Revenues. Revenues from all three business segments increased in 2014 over 2013. Higher Resource segment revenues were primarily due to increased prices. Our Real Estate segment had a much higher volume of acres sold in 2014 and our Wood Products segment experienced both higher prices and increased shipments for manufactured wood products. A more detailed discussion of revenues follows in the operating results by business segments.

Cost of goods sold. Cost of goods sold increased in 2014 over 2013 primarily due to higher log costs and labor-related expenses due to increased shipments by our Wood Products segment, increased acres sold by our Real Estate segment, and higher logging costs, forest management expenses and road costs in our Resource business.

Selling, general and administrative expenses. Selling, general and administrative expenses decreased in 2014 from 2013 primarily due to lower incentive plan expenses and non-cash mark-to-market adjustments related to our deferred compensation plans.

Environmental remediation charge. In 2013, we recorded pre-tax charges of $3.5 million for remediation costs related to our Avery Landing site in Idaho. Physical clean-up activities at the site were completed in 2013.

Income taxes. Our effective tax rate for 2014 was 18.0% compared to 16.4% in 2013. The increase resulted primarily from proportionately higher operating income in the TRS.

2014 FORM 10-K / 29

BUSINESS SEGMENT RESULTS COMPARING 2014 WITH 2013

Resource Segment

		YEARS ENDED DECEMBER 31,
(Dollars in thousands)		2014		2013		INCREASE (DECREASE)			PERCENT CHANGE
Revenues (before elimination of intersegment revenues)		$	252,581	$	238,228	$	14,353		6	%
Operating income		$	84,976	$	73,425	$	11,551		16	%
Harvest Volumes (in tons)
Northern region
	Sawlog	1,982,113		2,031,637		(49,524		)	(2	)%
	Pulpwood	201,926		127,998		73,928			58	%
	Stumpage	16,312		25,397		(9,085		)	(36	)%
	Total	2,200,351		2,185,032		15,319			1	%
Southern region
	Sawlog	619,750		694,147		(74,397		)	(11	)%
	Pulpwood	817,408		821,781		(4,373		)	(1	)%
	Stumpage	21,798		8,353		13,445			161	%
	Total	1,458,956		1,524,281		(65,325		)	(4	)%
Total harvest volume		3,659,307		3,709,313		(50,006		)	(1	)%
Sales Price/Unit ($ per ton)
Northern region
	Sawlog	$	91	$	85	$	6		7	%
	Pulpwood	$	43	$	36	$	7		19	%
	Stumpage	$	11	$	8	$	3		38	%
Southern region
	Sawlog	$	46	$	43	$	3		7	%
	Pulpwood	$	34	$	32	$	2		6	%
	Stumpage	$	14	$	12	$	2		17	%

Revenues increased in 2014 over 2013 due to increased prices, primarily for sawlogs and pulpwood in Idaho, and the increased volume of pulpwood harvested in Idaho. Higher prices accounted for $15.3 million of the revenue variance, while the decrease in total harvest volume accounted for a negative $3.2 million impact on the variance.

In our Northern region, approximately two-thirds of our sawlog sales are indexed to the price of lumber. Sawlog prices increased due to improved lumber prices and stronger demand overall. However, sawlog harvest volumes were down slightly from 2013. Pulpwood volumes and prices increased substantially in 2014 primarily due to an oversupply of residuals and chips in the Northwest market in 2013 that resulted in lower pulpwood prices, which led us to minimize pulpwood production in 2013.

In our Southern region, sawlog volumes decreased as weather conditions negatively impacted production by limiting access to hardwood stands in 2014. Sawlog prices increased due primarily to a shift in product mix related to increased demand for higher priced hardwoods. Pulpwood prices increased as a result of improved demand for hardwood pulpwood.

Expenses for the segment increased $2.8 million, or 2%, in 2014 over 2013, primarily due to higher per-unit logging costs, increased forest management and road costs, and higher administrative expenses.

30 / POTLATCH CORPORATION

Wood Products Segment

	YEARS ENDED DECEMBER 31,
(Dollars in thousands)	2014		2013		INCREASE (DECREASE)			PERCENT CHANGE
Revenues	$	376,239	$	366,015	$	10,224		3	%
Operating income	$	52,442	$	58,892	$	(6,450	)	(11	)%
Lumber shipments (MBF)	659,583		641,217		18,366			3	%
Lumber sales prices ($ per MBF)	$	402	$	392	$	10		3	%

Revenues for the segment increased in 2014 over 2013 due to both increased lumber prices and shipments.Expenses for the segment increased $16.7 million, or 5%, due to the higher cost of logs consumed, primarily related to increased prices for sawlogs in Idaho and increased production, and labor-related expenses and other variable costs due to increased shipments.

Real Estate Segment

	YEARS ENDED DECEMBER 31,
(Dollars in thousands)	2014		2013		INCREASE (DECREASE)		PERCENT CHANGE
Revenues	$	40,460	$	26,160	$	14,300	55		%
Operating income	$	26,945	$	18,266	$	8,679	48		%
	2014				2013
	ACRES SOLD		AVERAGE PRICE/ACRE		ACRES SOLD		AVERAGE PRICE/ACRE
HBU	3,784		$	2,129	4,799		$	2,033
Rural real estate	28,059		$	1,112	9,494		$	1,310
Non-strategic timberland	1,560		$	779	4,669		$	849
Total	33,403		$	1,212	18,962		$	1,380

Revenues increased $14.3 million, expenses increased $5.6 million and operating income increased $8.7 million in 2014 compared to 2013, primarily due to increased acres sold in 2014 and product mix. In 2014, we had two large sales consisting of 9,400 acres in Minnesota and 11,000 acres in Idaho.

2014 FORM 10-K / 31

CONSOLIDATED RESULTS COMPARING 2013 WITH 2012

The following table sets forth year-to-year changes in items included in our Consolidated Statements of Income for the years ended December 31, 2013 and 2012.

	YEARS ENDED DECEMBER 31,
(Dollars in thousands)	2013			2012			AMOUNT OF CHANGE		PERCENT CHANGE
Revenues	$	570,289		$	525,134		$	45,155	9	%
Costs and expenses:
Cost of goods sold	408,772			390,773			17,999		5	%
Selling, general and administrative expenses	50,397			49,419			978		2	%
Environmental remediation charge	3,522			—			3,522		n/m
	462,691			440,192			22,499		5	%
Operating income	107,598			84,942			22,656		27	%
Interest expense, net	(23,132		)	(25,539		)	2,407		9	%
Income before income taxes	84,466			59,403			25,063		42	%
Income taxes	(13,885		)	(16,809		)	2,924		(17	)%
Net income	$	70,581		$	42,594		$	27,987	66	%

Revenues. Revenues increased in 2013 over 2012 from the Resource segment, primarily from higher log prices in Idaho, and the Wood Products segment, due to higher prices for manufactured wood products, partially offset by decreased revenues from our Real Estate segment due to fewer acres sold in 2013. A more detailed discussion of revenues follows in the operating results by business segments.

Cost of goods sold. Cost of goods sold increased in 2013 over 2012, primarily due to higher log costs in Wood Products and higher logging and hauling costs and depletion expense in our Resource segment as a result of higher harvest volumes.

Environmental remediation charge. In 2013, we recorded pre-tax charges of $3.5 million for remediation costs related to our Avery Landing site in Idaho. Physical clean-up activities at the site were completed in 2013.

Interest expense, net. Net interest expense decreased in 2013 from 2012 primarily due to the early redemption of $36.7 million of debt in 2013.

Income taxes. Our effective tax rate for 2013 was 16.4% compared to 28.3% in 2012. The decrease resulted primarily from proportionately higher operating income in the REIT.

32 / POTLATCH CORPORATION

BUSINESS SEGMENT RESULTS COMPARING 2013 WITH 2012

Resource Segment

		YEARS ENDED DECEMBER 31,
(Dollars in thousands)		2013		2012		INCREASE (DECREASE)			PERCENT CHANGE
Revenues (before elimination of intersegment revenues)		$	238,228	$	207,846	$	30,382		15	%
Operating income		$	73,425	$	49,543	$	23,882		48	%
Harvest Volumes (in tons)
Northern region
	Sawlog	2,031,637		1,946,138		85,499			4	%
	Pulpwood	127,998		299,934		(171,936		)	(57	)%
	Stumpage	25,397		34,049		(8,652		)	(25	)%
	Total	2,185,032		2,280,121		(95,089		)	(4	)%
Southern region
	Sawlog	694,147		586,658		107,489			18	%
	Pulpwood	821,781		691,411		130,370			19	%
	Stumpage	8,353		—		8,353			n/m
	Total	1,524,281		1,278,069		246,212			19	%
Total harvest volume		3,709,313		3,558,190		151,123			4	%
Sales Price/Unit ($ per ton)
Northern region
	Sawlog	$	85	$	75	$	10		13	%
	Pulpwood	$	36	$	40	$	(4	)	(10	)%
	Stumpage	$	8	$	10	$	(2	)	(20	)%
Southern region
	Sawlog	$	43	$	42	$	1		2	%
	Pulpwood	$	32	$	31	$	1		3	%
	Stumpage	$	12	$	—	$	12		n/m

Revenues increased in 2013 over 2012 due to increased prices, primarily for sawlogs in Idaho, and the incremental harvest volumes provided by land acquisitions in Arkansas in late 2012. Increased prices accounted for $22.0 million of the revenue variance, while the increase in total harvest volume accounted for $8.6 million of the variance.

In our Northern region, sawlog prices and volume increased due to stronger demand. An oversupply of residuals and chips in the Northwest market resulted in lower pulpwood prices, which led us to minimize pulpwood production.

In our Southern region, both sawlog and pulpwood volumes increased. Sawlog prices increased due primarily to a shift in product mix related to increased demand for higher priced hardwoods. Pulpwood prices increased as a result of slightly improved demand for both pine and hardwood pulpwood.

Expenses for the segment increased $6.5 million, or 4%, in 2013 over 2012, primarily due to higher logging and hauling costs, from increased per-unit costs as well as volume, and higher depletion expense from increased harvest volumes.

2014 FORM 10-K / 33

Wood Products Segment

	YEARS ENDED DECEMBER 31,
(Dollars in thousands)	2013		2012		INCREASE (DECREASE)			PERCENT CHANGE
Revenues	$	366,015	$	329,404	$	36,611		11	%
Operating income	$	58,892	$	45,456	$	13,436		30	%
Lumber shipments (MBF)	641,217		649,119		(7,902		)	(1	)%
Lumber sales prices ($ per MBF)	$	392	$	342	$	50		15	%

Revenues for the segment increased in 2013 over 2012 as lumber prices increased, but were partially offset by a small decrease in shipments. Expenses for the segment increased $23.2 million, or 8%, due to the higher cost of logs consumed, primarily related to increased prices for sawlogs in Idaho, and increased logging and hauling expenses, primarily due to a higher volume of logs sourced from third party timberlands in Idaho, and labor-related expenses.

Real Estate Segment

	YEARS ENDED DECEMBER 31,
(Dollars in thousands)	2013		2012		INCREASE (DECREASE)			PERCENT CHANGE
Revenues	$	26,160	$	38,238	$	(12,078	)	(32		)%
Operating income	$	18,266	$	28,056	$	(9,790	)	(35		)%
	2013				2012
	ACRES SOLD		AVERAGE PRICE/ACRE		ACRES SOLD			AVERAGE PRICE/ACRE
HBU	4,799		$	2,033	7,080			$	2,969
Rural real estate	9,494		$	1,310	11,724			$	1,218
Non-strategic timberland	4,669		$	849	4,140			$	711
Total	18,962		$	1,380	22,944			$	1,667

Revenues decreased $12.1 million, expenses decreased $2.3 million and operating income decreased $9.8 million in 2013 compared to 2012, all primarily due to the sale of fewer acres of land in 2013 and product mix.

Liquidity and Capital Resources

Overview

At December 31, 2014, our financial position included long-term debt of $629.3 million, including a current portion of $22.9 million, compared to $320.1 million at December 31, 2013. We incurred $310.0 million of long-term debt in December 2014 for the acquisition of timberlands in Alabama and Mississippi. The ratio of long-term debt to stockholders’ equity was 2.8 to 1 and 1.6 to 1 at December 31, 2014 and 2013, respectively. We increased our quarterly cash distributions in the fourth quarter of 2014 to $0.375 per share from $0.35 per share.

Cash and short-term investments totaled $31.0 million at December 31, 2014. The available borrowing capacity under our credit agreement is $248.6 million.

Net Cash From Operations

Net cash provided from operating activities was:

• $131.4 million in 2014,

• $90.3 million in 2013 and

• $80.0 million in 2012.

34 / POTLATCH CORPORATION

Year ended December 31, 2014 compared to year ended December 31, 2013

Net cash from operating activities in 2014 increased $41.1 million from 2013:

• Cash received from customers increased $49.6 million, primarily due to increased sales and cash received by the Resource, Wood Products and Real Estate segments. A more detailed discussion of revenues is included in the Business Segment Results section.

• Net cash outflows related to income taxes decreased $2.0 million. Net cash paid for taxes in 2014 was $18.1 million compared to $20.1 million in 2013.

Partially offsetting the increase was:

• Cash paid to employees, suppliers and others increased $8.2 million in 2014 from 2013 primarily due to higher log costs and labor-related expenses due to increased shipments by our Wood Products segment.

• Cash contributions to our qualified pension plans increased $3.6 million in 2014 from 2013, as we did not make a qualified pension plan contribution in 2013.

Year ended December 31, 2013 compared to year ended December 31, 2012

Net cash from operating activities in 2013 increased $10.3 million from 2012:

• Cash received from customers increased $36.4 million, primarily due to increased sales and cash received by our Resource and Wood Products segments, partially offset by decreased sales and cash received from our Real Estate segment. A more detailed discussion of revenues is included in the Business Segment Results section.

• Qualified pension plan contributions decreased $21.6 million in 2013 from 2012, as we did not make a qualified pension plan contribution in 2013.

Partially offsetting increased cash from customers were:

• Cash paid to employees, suppliers and others increased $29.4 million in 2013 from 2012 primarily due to higher log costs in Wood Products and higher logging and hauling costs in our Resource segment as a result of higher harvest volumes.

• Net cash outflows related to income taxes increased $20.0 million. Net cash paid in taxes in 2013 was $20.1 million compared to $0.1 million in 2012. The 2012 income tax liability was lower due primarily to use of net operating loss carryforwards.

Net Cash Flows from Investing Activities

Net cash used for investing activities was $382.7 million in 2014, $12.0 million in 2013 and $8.6 million in 2012. In 2014, we used $389.0 million for the acquisition of timber and timberlands and $24.2 million for capital expenditures, partially offset by $25.9 million provided by short-term investments. In 2013, we used $22.6 million for capital expenditures partially offset by $10.8 million provided by short term investments. In 2012, we used $29.2 million for capital expenditures and timberland acquisitions, which was partially offset by the $21.8 million we borrowed against our COLI plan to fund our 2012 qualified pension contributions.

We anticipate that we will spend $36 million for capital expenditures in 2015. Our capital spending is primarily related to reforestation expenditures, logging road construction, and high-return discretionary projects and routine general replacement projects for our wood products manufacturing facilities.

Net Cash Flow From Financing Activities

Net cash provided by financing activities was $250.4 million in 2014. Net cash used in financing activities was $89.6 million in 2013 and $62.2 million in 2012. In 2014, proceeds from the borrowing of long-term debt provided $310.0 million used to acquire timberlands, partially offset by distributions to stockholders of $57.8 million. In 2013, net cash used for financing activities was primarily attributable to paying distributions to stockholders of $51.9 million and the redemption of $36.7 million of debt. Net cash used for financing activities in 2012 was primarily attributable to paying distributions to stockholders of $50.0 million and the redemption of $21.7 million of debt, partially offset by the issuance of $12.0 million of term loans.

Credit Agreement

On August 12, 2014, we entered into an amended and restated credit agreement with an expiration date of February 12, 2020, which supersedes our previous credit agreement dated as of December 11, 2012. This new credit agreement provides for a revolving line of credit with an initial aggregate principal amount not the exceed

2014 FORM 10-K / 35

$250 million, which may be increased by up to an additional $250 million, subject to certain conditions and agreement of the lenders. It also includes a sublimit of $40 million for the issuance of standby letters of credit and a sublimit of $15 million for swing line loans. Usage under either or both subfacilities reduces availability under the revolving line of credit. As of December 31, 2014, there were no borrowings outstanding under the revolving line of credit, and approximately $1.4 million of the letter of credit subfacility was being used to support several outstanding letters of credit. Available borrowing capacity at December 31, 2014 was $248.6 million.

We may use the funds borrowed under the credit agreement, among other things, to refinance existing indebtedness, fund working capital needs and capital expenditures, and for other general corporate purposes, including acquisitions.

The agreement governing our bank credit facility contains certain covenants that limit our ability and that of our subsidiaries to create liens, merge or consolidate, dispose of assets, incur indebtedness and guarantees, repurchase or redeem capital stock and indebtedness, make certain investments or acquisitions, enter into certain transactions with affiliates or change the nature of our business. The bank credit facility also contains financial maintenance covenants including the maintenance of a minimum interest coverage ratio, a maximum leverage ratio and maximum allowable acres that may be sold. We will be permitted to pay distributions to our stockholders under the terms of the bank credit facility so long as we remain in pro forma compliance with the financial maintenance covenants.

The table below sets forth the financial covenants in the bank credit facility and our status with respect to these covenants as of December 31, 2014:

	COVENANT  REQUIREMENT	ACTUALS AT DECEMBER 31, 2014
Minimum Interest Coverage Ratio	3.00 to 1.00	7.45 to 1.00
Maximum Leverage Ratio	40%	27%
Maximum Allowable Acres that may be sold	433,051	6,822

The Interest Coverage Ratio is our twelve months ended EBITDDA, which is defined as net income adjusted for interest expense, income taxes, depreciation, depletion and amortization, the basis of real estate sold and non-cash equity compensation expense, divided by interest expense for the same period.

The Leverage Ratio is our Total Funded Indebtedness divided by our Total Asset Value. Our Total Funded Indebtedness consists of our long-term debt, including any current portion of long-term debt, plus the total amount outstanding under the letter of credit subfacility. Our Total Asset Value per the credit agreement is defined as the value of our timberlands, the book basis of our wood products manufacturing facilities, cash and cash equivalents, short-term investments, the cash value of our company-owned life insurance (COLI), and the purchase price of timberlands acquired. The book basis of our Wood Products manufacturing facilities and the cash value of our COLI are each limited to 5% of Total Asset Value.

Term Loans

On December 5, 2014, we entered into an amended and restated term loan agreement totaling $322 million, consisting of $310 million of new term loans to fund the acquisition of timberlands in Alabama and Mississippi and $12 million of term loans that we incurred in December 2012 to fund two timberland acquisitions in Arkansas. The new debt consists of six tranches of term loans, with $40 million maturing each year from 2019 through 2023 and $110 million maturing in 2024. The first three tranches are variable rate term loans based on 3-month LIBOR plus a spread between 1.65% and 1.90%. The last three tranches are fixed rate term loans with interest rates between 4.29% and 4.64%. Our original term loans from 2012 consist of two $6 million tranches, with rates of 2.95% on the 2017 maturity and 3.70% on the 2020 maturity. The term loan agreement contains the same covenants and restrictions as those in our bank credit facility.

Senior Notes

In 2009, we sold $150 million aggregate principal amount of 7.5% senior notes. The terms of these notes limit our ability, and the ability of any subsidiary guarantors, to borrow money, pay dividends, redeem or repurchase capital stock, enter into sale and leaseback transactions, and create liens. Dividends and the repurchase of our capital stock, are permitted as follows:

• We may use 100% of our Funds Available for Distribution, or FAD, for the period January 1, 2010 through the end of the quarter preceding the payment date, less cumulative restricted payments previously made

36 / POTLATCH CORPORATION

from FAD during that period, to make restricted payments. Our cumulative FAD less our dividends paid was $95.7 million at December 31, 2014.

• If our cumulative FAD, less cumulative restricted payments previously made from FAD, is insufficient to cover a restricted payment, then we are permitted to make payments from a basket amount, which was approximately $90.1 million at December 31, 2014.

• If our cumulative FAD less our aggregate restricted payments made from FAD is insufficient to cover a restricted payment and we have depleted the basket, we may still make a restricted payment, so long as, after giving effect to the payment, our ratio of indebtedness to earnings before interest, taxes, depreciation, depletion, amortization and basis of real estate sold, or EBITDDA, from continuing operations for the preceding four full fiscal quarters does not exceed 4.25 to 1.00.

FAD, as defined in the indenture governing the senior notes, is earnings from continuing operations, plus depreciation, depletion and amortization, plus basis of real estate sold, and minus capital expenditures. For purposes of this definition, capital expenditures exclude all expenditures relating to direct or indirect timberland purchases in excess of $5 million.

Future Cash Requirements

Based on our outlook for 2015 and taking into account planned harvest activities, we expect to fund a majority of our 2015 annual cash distributions using the cash flows from our REIT-qualifying timberland operations and from cash and short-term investments on hand at December 31, 2014. The rules with which we must comply to maintain our status as a REIT limit our ability to use dividends from Potlatch TRS for the payment of stockholder distributions. In particular, at least 75% of our gross income for each taxable year as a REIT must be derived from sales of our standing timber and other types of real estate income. No more than 25% of our gross income may consist of dividends from Potlatch TRS and other non-qualifying types of income. This requirement may limit our ability to receive dividends from Potlatch TRS and may impact our ability to fund distributions to stockholders using cash flows from Potlatch TRS.

Credit Ratings

The major debt rating agencies routinely evaluate our debt and our access to capital, and our cost of borrowing can increase or decrease depending on our credit rating. In April 2013, Moody’s upgraded our debt rating to investment grade 'Baa3' from 'Ba1', and in December 2014 affirmed our Baa3 rating, with a stable outlook. In April 2013, Standard & Poor's upgraded our corporate credit and senior unsecured ratings to 'BB+' from 'BB', and in December 2014 affirmed our 'BB+' rating, with a negative outlook. The December 2014 affirmations occurred after our borrowing of $310 million of term loans for our acquisition of timberlands in Alabama and Mississippi.

Contractual Obligations

The following table summarizes our contractual obligations as of December 31, 2014:

	PAYMENTS DUE BY PERIOD
(Dollars in thousands)	TOTAL		WITHIN 1 YEAR		1-3 YEARS		4-5 YEARS		MORE THAN 5 YEARS
Long-term debt1	$	630,085	$	22,500	$	16,000	$	204,250	$	387,335
Interest on long-term debt2	212,440		33,179		56,311		50,931		72,019
Operating leases3	12,193		4,211		5,052		1,575		1,355
Purchase obligations4	16,765		3,316		10,881		2,568		—
Other obligations5	181,013		50,022		15,659		26,984		88,348
Total	$	1,052,496	$	113,228	$	103,903	$	286,308	$	549,057

¹  See Note 9: Debt in the Notes to Consolidated Financial Statements.

²  Amounts presented for interest payments assume that all long-term debt outstanding as of December 31, 2014 will remain outstanding until maturity, and interest rates on variable debt in effect as of December 31, 2014 will remain in effect until maturity. Estimated cash flows related to interest rate swaps are also included in this category.

³  See Note 14: Commitments and Contingencies in the Notes to Consolidated Financial Statements.

⁴  Purchase obligations include agreements to purchase goods or services that are enforceable and legally binding on the company and that specify all significant terms, including: fixed or minimum quantities to be purchased; fixed, minimum or

2014 FORM 10-K / 37

variable price provisions; and the approximate timing of the transaction. Purchase obligations exclude arrangements that the company can cancel without penalty.

⁵  Other obligations includes current liabilities, as well as qualified pension contributions, supplemental pension payments and payments for other postretirement employee benefit obligations. See Note 10: Accounts Payable and Accrued Liabilities and Note 13: Savings Plans, Pension Plans and Other Postretirement Employee Benefits in the Notes to Consolidated Financial Statements for additional detail.

Off-Balance Sheet Arrangements

We currently are not a party to off-balance sheet arrangements that would require disclosure under this section.

Distributions to Shareholders

The following table summarizes the historical tax characteristics of distributions to shareholders for the years ended December 31:

(Amounts per share)	2014		2013		2012
Capital gain distributions	$	1.425	$	1.28	$	0.71
Non-taxable return of capital	—		—		0.53
Total distributions	$	1.425	$	1.28	$	1.24

Critical Accounting Policies and Estimates

Our accompanying Consolidated Financial Statements have been prepared in conformity with accounting principles generally accepted in the United States, which require management to make estimates that affect the amounts of revenues, expenses, assets and liabilities reported. The following are critical accounting policies which are both very important to the portrayal of our financial condition and results of operations and which require some of management’s most difficult, subjective and complex judgments. The accounting for these matters involves forming estimates based on current facts, circumstances and assumptions which, in management’s judgment, could change in a manner that would materially affect management’s future estimates with respect to such matters and, accordingly, could cause our future reported financial condition and results of operations to differ materially from financial results reported based on management’s current estimates.

Timber and timberlands. Timber and timberlands are recorded at cost, net of depletion. Expenditures for reforestation, including all costs related to stand establishment, such as site preparation, costs of seeds or seedlings and tree planting, are capitalized. Expenditures for forest management, consisting of regularly recurring items necessary to the ownership and administration of our timber and timberlands, are accounted for as current operating expenses. Our depletion is determined based on costs capitalized and the related current estimated timber volume. The volume does not include anticipated future growth.

There are currently no authoritative accounting rules relating to costs to be capitalized in the timber and timberlands category. We have used relevant portions of current accounting rules, industry practices and our judgment in determining costs to be capitalized or expensed. Alternate interpretations and judgments could significantly affect the amounts capitalized. Additionally, models and observations used to estimate the current timber volume on our lands are subject to judgments that could significantly affect volume estimates.

Different assumptions for either the cost or volume estimates, or both, could have a significant effect upon amounts reported in our Consolidated Financial Statements. Because of the number of variables involved and the interrelationship between the variables, sensitivity analysis of individual variables is not practical.

Long-lived assets. A significant portion of our total assets are invested in our timber and timberlands and our wood products manufacturing facilities. The cyclical patterns of our businesses cause cash flows to fluctuate by varying degrees from period to period. As a result, long-lived assets are a material component of our financial position with the potential for material change in valuation if assets are determined to be impaired.

Our long-lived assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable, as measured by its undiscounted estimated future cash flows. We use our operational budgets to estimate future cash flows. Budgets are inherently uncertain estimates of future performance due to the fact that all inputs, including revenues, costs and capital spending, are subject to frequent change for many different reasons, including the reasons previously described above under “Factors Influencing our

38 / POTLATCH CORPORATION

Results of Operations and Cash Flows.” Because of the number of variables involved, the interrelationship between the variables and the long-term nature of the impairment measurement, sensitivity analysis of individual variables is not practical.

Income taxes. We believe it is more likely than not that we will have sufficient future taxable income to realize our deferred tax assets. The ultimate realization of deferred tax assets depends on the generation of future taxable income during the periods in which temporary differences are deductible. In making this assessment, we consider the scheduled reversal of deferred tax liabilities (including the impact of available carryforward periods), projected taxable income and tax planning strategies. Based on projected taxable income for Potlatch TRS over the periods for which the deferred tax assets are deductible, as well as certain tax planning strategies that management has undertaken and expects to have the ability to undertake in the future, we believe that it is more likely than not that we will realize the $59.1 million in benefits of these deductible differences and carryforwards at December 31, 2014. The amount of the deferred tax assets considered realizable, however, could be reduced in the near term if estimates of future taxable income during the carryforward period are reduced or management is unable to implement one or more tax planning strategies.

Contingent liabilities. We are subject to lawsuits, investigations and other claims related to environmental, product and other matters, and are required to assess the likelihood of any adverse judgments or outcomes to these matters, as well as potential ranges of probable losses. We record contingent liabilities when it becomes probable that we will have to make payments and the amount of loss can be reasonably estimated. Assessing probability of loss and estimating probable losses requires analysis of multiple factors, including historical experience, judgments about the potential actions of third party claimants and courts, and recommendations of legal counsel. In addition to contingent liabilities recorded for probable losses, we disclose contingent liabilities when there is a reasonable possibility that an ultimate loss may occur.

While we do our best in developing our projections, recorded contingent liabilities are based on the best information

available and actual losses in any future period are inherently uncertain. If estimated probable future losses or actual losses exceed our recorded liability for such claims, we would record additional charges. These exposures and proceedings can be significant and the ultimate negative outcomes could be material to our operating results or cash flow in any given quarter or year. See Note 14: Commitments and Contingencies in the Notes to Consolidated Financial Statements for more information.

Pension and postretirement employee benefits. The determination of pension plan expense and the requirements for funding our pension plans are based on a number of actuarial assumptions. Two critical assumptions are the discount rate applied to pension plan obligations and the expected rate of return on plan assets. For other postretirement employee benefit (OPEB) obligations related to certain health care and life insurance benefits provided to qualified retired employees, critical assumptions in determining OPEB expense are the discount rate applied to benefit obligations and the assumed health care cost trend rates used in the calculation of benefit obligations.

Note 13: Savings Plans, Pension Plans and Other Postretirement Employee Benefits in the Notes to Consolidated Financial Statements includes information on the components of pension and OPEB expense and the underlying actuarial assumptions used to calculate periodic expense for the three years ended December 31, 2014, as well as the funded status of our pension plans and OPEB obligations as of December 31, 2014 and 2013.

The discount rate used in the determination of pension and OPEB benefit obligations in 2014, 2013 and 2012 was calculated using hypothetical bond portfolios consisting of “AA” or better rated securities that match the expected monthly benefit payments under our pension plans and OPEB obligations. The portfolios were well-diversified over corporate industrial, corporate financial, municipal, federal and foreign government issuers. At December 31, 2014, we calculated pension obligations using a 4.25% discount rate. We used a discount rate of 5.10% and 4.15% at December 31, 2013 and 2012, respectively.

To determine the expected long-term rate of return on pension assets, we employ a process that analyzes historical long-term returns for various investment categories, as measured by appropriate indices. These indices are weighted based upon the extent to which plan assets are invested in the particular categories in arriving at our determination of a composite expected return. The expected long-term rates of return on pension plan assets was 7.50% for the year ended December 31, 2014, and 8.00%for the years ended December 31, 2013 and December 31, 2012. We reduced the expected long-term rate of return to 6.75% for 2015 to reflect the change in the pension plan's investment portfolio.

Net periodic pension plan cost in 2014 was $15.0 million. A decrease in the discount rate or the rate of expected return on plan assets, all other assumptions remaining the same, would increase net periodic cost. A 25 basis point

2014 FORM 10-K / 39

decrease in the discount rate would increase net periodic cost by approximately $0.7 million in 2015 and increase the projected benefit obligation by approximately $11.6 million at December 31, 2014. A 25 basis point decrease in the assumption for the expected return on plan assets would increase net periodic cost by approximately $0.8 million in 2015. The actual rates of return on plan assets may vary significantly from the assumption used because of unanticipated changes in financial markets.

For our OPEB obligations, the net periodic benefit for 2014 was $5.7 million. The discount rate used to calculate OPEB obligations, which was determined using the same methodology we used for our pension plans, was 3.90%, 4.45% and 3.70% at December 31, 2014, 2013 and 2012, respectively. The assumed health care cost trend rate used to calculate OPEB obligations as of December 31, 2014 was 0% for our salaried and non-represented plans and a certain group of participants over age 65 in our hourly plan; 5.70% for our Arkansas participants covered by a collective bargaining agreement, grading ratably to an assumption of 4.30% in 2094; and 5.70% for a certain group of participants under age 65 in our hourly plan, grading ratably to an assumption of 4.30% in 2094.

An decrease in the discount rate or increase in the health care cost trend rate assumption, all other assumptions remaining the same, would increase our OPEB liability. A 25 basis point decrease in the discount rate would increase net periodic cost by less than $0.1 million. A 1% increase in the health care cost trend rate assumption would have affected our OPEB obligation by approximately $0.1 million, as reported in Note 13: Savings Plans, Pension Plans and Other Postretirement Employee Benefits in the Notes to Consolidated Financial Statements. The actual rates of health care cost increases may vary significantly from the assumption used because of unanticipated changes in health care costs.

PROSPECTIVE ACCOUNTING PRONOUNCEMENTS

See prospective accounting pronouncements in Note 1: Summary of Principal Accounting Policies in the Notes to Consolidated Financial Statements.

Quantitative and Qualitative Disclosures About Market Risk

Our exposure to market risks on financial instruments includes interest rate risk on our short-term investments, bank credit facility, term loans and interest rate swap agreements. All market risk sensitive instruments were entered into for purposes other than trading purposes.

Our short-term investments consist of diversified depository accounts, money market funds and variable rate demand obligations, all of which have very short maturity periods, and therefore earn an interest rate commensurate with low-risk instruments. We do not attempt to hedge our exposure to interest rate risk for our short-term investments.

The interest rates applied to borrowings under our bank credit facility adjust often and therefore react quickly to any movement in the general trend of market interest rates. We do not attempt to mitigate the effects of short-term interest rate fluctuations on our bank credit facility borrowings through the use of derivative financial instruments. There were no outstanding borrowings under our bank credit facility at December 31, 2014.

Approximately two-thirds of our long-term debt is fixed rate and therefore changes in market interest rates do not expose us to interest rate risk for these financial instruments. However, in December 2014 we issued $120 million of term loans at variable rates. In addition, we entered into interest rate swap agreements to effectively convert some of our fixed rate debt to variable rate. As of December 31, 2014, we had seven separate interest rate swaps with notional amounts totaling $96.75 million. The swaps convert interest payments with fixed rates ranging between 6.95% and 8.89% to three-month LIBOR plus a spread between 4.738% and 6.518%. The interest rate swaps terminate at various dates between December 2015 and November 2019. See Note 12: Financial Instruments and Concentration of Risk in theNotes to Consolidated Financial Statements for additional information.

We have occasionally entered into lumber swap contracts to mitigate commodity price risk related to sales from our Wood Products segment. These contracts cash settled at various dates throughout the length of the contracts. Our last lumber swap settled in 2012; there were no lumber swaps outstanding at December 31, 2014 or 2013. See Note 12: Financial Instruments and Concentration of Risk in theNotes to Consolidated Financial Statements for additional information about our lumber swaps.

40 / POTLATCH CORPORATION

Quantitative Information about Market Risks

The following table summarizes our outstanding debt, interest rate swaps and average interest rates as of December 31, 2014:

	EXPECTED MATURITY DATE
(Dollars in thousands)	2015			2016			2017			2018			2019			THEREAFTER			TOTAL
Variable rate debt:
Principal due	$	—		$	—		$	—		$	—		$	40,000		$	80,000		$	120,000
Average interest rate													1.88		%	2.13		%	2.05		%
Fair value at 12/31/14																			$	120,000
Fixed rate debt:
Principal due	$	22,500		$	5,000		$	11,000		$	14,250		$	150,000		$	307,335		$	510,085
Average interest rate	6.95		%	8.80		%	5.64		%	8.88		%	7.50		%	5.06		%	6.02		%
Fair value at 12/31/14																			$	537,943
Interest rate swaps1:
Fixed to variable	$	372		$	92		$	169		$	551		$	(391	)	$	—		$	793
Fair value at 12/31/14																			$	793
1 Interest rate swaps are included in long-term debt on the Consolidated Balance Sheets. The derivative assets are included in the other assets and current receivables on the Consolidated Balance Sheets.

A hypothetical increase or decrease of 50 and 100 basis points (BPS) related to our interest rate swap agreements would have the following effects on fair value:

(Dollars in thousands)	NOTIONAL AMOUNT		INTEREST RATE SWAP AGREEMENTS - FAIR VALUE1
			Current			+50 BPS			+100 BPS			-50 BPS		-100 BPS
Maturing in:
2015	$	22,500	389			302			216			460		470
2016	5,000		99			76			52			119		124
2017	5,000		178			121			66			239		296
2018	14,250		579			369			163			797		1,019
2019	50,000		(399		)	(1,537		)	(2,645		)	779		1,980
Total	$	96,750	$	846		$	(669	)	$	(2,148	)	$	2,394	$	3,889
1 Fair value for this table is calculated on a termination value basis. Accrued interest is included and a credit value adjustment, which is used for GAAP purposes, is excluded.

2014 FORM 10-K / 41

POTLATCH CORPORATION AND CONSOLIDATED SUBSIDIARIES

Consolidated Statements of Income

(Dollars in thousands, except per-share amounts)

	FOR THE YEARS ENDED DECEMBER 31,
	2014			2013			2012
Revenues	$	606,950		$	570,289		$	525,134
Costs and expenses:
Cost of goods sold1	429,789			408,772			390,773
Selling, general and administrative expenses	44,655			50,397			49,419
Environmental remediation charges	—			3,522			—
	474,444			462,691			440,192
Operating income	132,506			107,598			84,942
Interest expense, net	(22,909		)	(23,132		)	(25,539		)
Income before income taxes	109,597			84,466			59,403
Income taxes	(19,687		)	(13,885		)	(16,809		)
Net income	$	89,910		$	70,581		$	42,594
Net income per share:
Basic	$	2.21		$	1.74		$	1.06
Diluted	2.20			1.73			1.05
Distributions per share	$	1.425		$	1.28		$	1.24

The accompanying notes are an integral part of these consolidated financial statements.

¹ A 2012 asset impairment charge of $107 was reclassified to cost of goods sold.

42 / POTLATCH CORPORATION

POTLATCH CORPORATION AND CONSOLIDATED SUBSIDIARIES

Consolidated Statements of Comprehensive Income

(Dollars in thousands)

	FOR THE YEARS ENDED DECEMBER 31,
	2014			2013			2012
Net income	$	89,910		$	70,581		$	42,594
Other comprehensive income (loss), net of tax:
Defined benefit pension plans and other postretirement employee benefits (OPEB):
Net gain (loss) arising during the period, net of tax expense (benefit) of $(15,598), $21,424 and $(5,968)	(24,396		)	33,510			(9,334		)
Prior service credit arising during the period, net of tax expense of $0, $0 and $2,159	—			—			3,273
Amortization of actuarial loss included in net periodic cost, net of tax expense of $6,488, $9,024 and $7,208	10,149			14,114			11,275
Amortization of prior service credit included in net periodic cost, net of tax benefit of $(3,468), $(3,482) and $(3,343)	(5,425		)	(5,446		)	(5,230		)
Other comprehensive income (loss), net of tax	(19,672		)	42,178			(16		)
Comprehensive income	$	70,238		$	112,759		$	42,578

The accompanying notes are an integral part of these consolidated financial statements.

2014 FORM 10-K / 43

POTLATCH CORPORATION AND CONSOLIDATED SUBSIDIARIES

Consolidated Balance Sheets

(Dollars in thousands, except per-share amounts)

	AT DECEMBER 31
	2014			2013
ASSETS
Current assets:
Cash	$	4,644		$	5,586
Short-term investments	26,368			52,251
Receivables, net of allowance for doubtful accounts of $450	9,928			16,572
Inventories	31,490			36,275
Deferred tax assets	6,168			7,724
Other assets	15,065			11,961
Total current assets	93,663			130,369
Property, plant and equipment, net	65,749			59,976
Timber and timberlands, net	828,420			455,871
Deferred tax assets	37,228			21,576
Other assets	10,361			12,738
Total assets	$	1,035,421		$	680,530
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Current portion of long-term debt	$	22,870		$	—
Current liability for pensions and other postretirement employee benefits	6,260			6,701
Accounts payable and accrued liabilities	43,064			43,617
Total current liabilities	72,194			50,318
Long-term debt	606,473			320,092
Liability for pensions and other postretirement employee benefits	115,936			83,619
Other long-term obligations	15,752			22,353
Total liabilities	810,355			476,382
Stockholders’ equity:
Preferred stock, authorized 4,000,000 shares, no shares issued	—			—
Common stock, $1 par value, authorized 100,000,000 shares, issued 40,605,179 and 40,536,879 shares	40,605			40,537
Additional paid-in capital	346,441			337,887
Accumulated deficit	(43,588		)	(75,556		)
Accumulated other comprehensive loss, net of tax of $(77,586) and $(64,868)	(118,392		)	(98,720		)
Total stockholders’ equity	225,066			204,148
Total liabilities and stockholders' equity	$	1,035,421		$	680,530

The accompanying notes are an integral part of these consolidated financial statements.

44 / POTLATCH CORPORATION

POTLATCH CORPORATION AND CONSOLIDATED SUBSIDIARIES

Consolidated Statements of Cash Flows

(Dollars in thousands)

	FOR THE YEARS ENDED DECEMBER 31,
	2014			2013			2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$	89,910		$	70,581		$	42,594
Adjustments to reconcile net income to net cash from operating activities:
Depreciation, depletion and amortization	26,749			26,962			26,247
Basis of real estate sold	8,646			2,904			5,048
Change in deferred taxes	(1,616		)	(2,467		)	15,992
Employee benefit plans	2,122			7,561			4,317
Employee equity-based compensation expense	4,137			4,377			4,067
Other, net	(2,191		)	(1,972		)	599
Change in:
Receivables	7,016			(5,904		)	2,865
Inventories	4,785			(7,347		)	(325		)
Other assets	(1,421		)	1,668			(1,459		)
Accounts payable and accrued liabilities	(2,388		)	(3,468		)	163
Funding of qualified pension plans	(3,550		)	—			(21,630		)
Timber deposits and cost share roads	(827		)	(2,643		)	1,503
Net cash from operating activities	131,372			90,252			79,981
CASH FLOWS FROM INVESTING ACTIVITIES
Change in short-term investments	25,883			10,826			(88		)
Transfer from company owned life insurance (COLI)	28,870			—			21,751
Transfer to COLI	(25,515		)	—			—
Property, plant and equipment	(13,261		)	(10,280		)	(5,636		)
Timberlands reforestation and roads1	(10,971		)	(12,313		)	(11,774		)
Acquisition of timber and timberlands1	(388,952		)	(1,060		)	(11,778		)
Other, net	1,263			823			(1,122		)
Net cash from investing activities	(382,683		)	(12,004		)	(8,647		)
CASH FLOWS FROM FINANCING ACTIVITIES
Distributions to common stockholders	(57,848		)	(51,868		)	(50,041		)
Repayment of long-term debt	—			(36,663		)	(21,662		)
Proceeds from issuance of long-term debt	310,000			—			12,000
Issuance of common stock	398			1,904			1,075
Change in book overdrafts	1,465			(955		)	462
Deferred financing costs	(2,388		)	(25		)	(2,148		)
Employee tax withholdings on vested performance share awards	(1,104		)	(1,738		)	(1,714		)
Other, net	(154		)	(302		)	(140		)
Net cash from financing activities	250,369			(89,647		)	(62,168		)
Increase (decrease) in cash	(942		)	(11,399		)	9,166
Cash at beginning of year	5,586			16,985			7,819
Cash at end of year	$	4,644		$	5,586		$	16,985
SUPPLEMENTAL CASH FLOW INFORMATION
Cash paid during the year for:
Interest	$	20,918		$	22,229		$	23,884
Income taxes, net	18,104			20,097			53

The accompanying notes are an integral part of these consolidated financial statements.

¹ Acquisitions of timber and timberlands in 2013 and 2012 were reclassified in order to conform to the 2014 presentation.

2014 FORM 10-K / 45

POTLATCH CORPORATION AND CONSOLIDATED SUBSIDIARIES

Consolidated Statements of Stockholders’ Equity

(Dollars in thousands, except per-share amounts)

	Common Stock Issued			Additional Paid-In Capital		Accumulated Deficit			Accumulated Other Comprehensive Loss			Total Stockholders’ Equity
	Shares	Amount
Balance, December 31, 2011	40,202,170	$	40,202	$	329,206	$	(86,388	)	$	(140,882	)	$	142,138
Exercise of stock options and stock awards	60,857	61		1,031		—			—			1,092
Performance share and restricted stock unit awards	126,153	126		3,096		(361		)	—			2,861
Net income	—	—		—		42,594			—			42,594
Pension plans and OPEB obligations	—	—		—		—			(16		)	(16		)
Transfer of assets from REIT to subsidiary	—	—		15		—			—			15
Common distributions, $1.24 per share	—	—		—		(50,041		)	—			(50,041		)
Balance, December 31, 2012	40,389,180	$	40,389	$	333,348	$	(94,196	)	$	(140,898	)	$	138,643
Exercise of stock options and stock awards	70,968	71		1,833		—			—			1,904
Performance share and restricted stock unit awards	76,731	77		2,706		(73		)	—			2,710
Net income	—	—		—		70,581			—			70,581
Pension plans and OPEB obligations	—	—		—		—			42,178			42,178
Common distributions, $1.28 per share	—	—		—		(51,868		)	—			(51,868		)
Balance, December 31, 2013	40,536,879	$	40,537	$	337,887	$	(75,556	)	$	(98,720	)	$	204,148
Exercise of stock options and stock awards	12,859	13		385		—			—			398
Performance share and restricted stock unit awards	55,441	55		2,974		(94		)	—			2,935
Net income	—	—		—		89,910			—			89,910
Director deferred stock awards	—	—		5,195		—			—			5,195
Pension plans and OPEB obligations	—	—		—		—			(19,672		)	(19,672		)
Common distributions, $1.425 per share	—	—		—		(57,848		)	—			(57,848		)
Balance, December 31, 2014	40,605,179	$	40,605	$	346,441	$	(43,588	)	$	(118,392	)	$	225,066

The accompanying notes are an integral part of these consolidated financial statements.

46 / POTLATCH CORPORATION

POTLATCH CORPORATION AND CONSOLIDATED SUBSIDIARIES

INDEX FOR NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

		PAGE NUMBER
Note 1.	Summary of Principal Accounting Policies	48
Note 2.	Earnings per Share	51
Note 3.	Short-Term Investments	51
Note 4.	Inventories	51
Note 5.	Property, Plant and Equipment	52
Note 6.	Timber and Timberlands	52
Note 7.	Other Assets	52
Note 8.	Income Taxes	53
Note 9.	Debt	55
Note 10.	Accounts Payable and Accrued Liabilities	56
Note 11.	Other Long-Term Obligations	56
Note 12.	Financial Instruments and Concentration of Risk	57
Note 13.	Savings Plans, Pension Plans and Other Postretirement Employee Benefits	59
Note 14.	Commitments and Contingencies	65
Note 15.	Equity-Based Compensation Plans	66
Note 16.	Segment Information	69
Note 17.	Financial Results by Quarter (Unaudited)	71

2014 FORM 10-K / 47

NOTE 1. SUMMARY OF PRINCIPAL ACCOUNTING POLICIES

CONSOLIDATION

The Consolidated Financial Statements include the accounts of Potlatch Corporation and its subsidiaries after elimination of significant intercompany transactions and accounts. There are no significant unconsolidated subsidiaries.

We are primarily engaged in activities associated with timberland management, including the sale of timber, the management of approximately 1.6 million acres of timberlands and the purchase and sale of timberlands. We are also engaged in the manufacture and sale of wood products. Our timberlands and all of our wood products facilities are located within the continental United States. The primary market for our products is the United States. We converted to a Real Estate Investment Trust (REIT) effective January 1, 2006.

SIGNIFICANT ESTIMATES

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America, which we refer to in this report as U.S. GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates and assumptions.

Significant estimates are described in further detail in the Notes to Consolidated Financial Statements. Significant estimates include timber volumes, assumptions utilized for asset and disposal group impairment tests, income projections and tax planning strategies used to support realization of deferred tax assets, environmental liabilities, pension and postretirement obligation assumptions and fair value of derivative instruments.

EQUITY-BASED COMPENSATION

Equity-based awards are measured at fair value on the dates they are granted or modified. These measurements establish the cost of the equity-based awards for accounting purposes. The cost of the equity-based award is then recognized in the Consolidated Statements of Income over each employee’s required service period. See Note 15: Equity-Based Compensation Plans for more information about our equity-based compensation.

INVENTORIES

Inventories are stated at the lower of cost or market. The last-in, first-out method is used to determine cost of logs, lumber and plywood for most of our operations. The average cost method is used to determine cost of all other inventories. Expenses associated with idle capacity or other curtailments of production are reflected in cost of goods sold in the periods incurred.

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment are valued at cost less accumulated depreciation. Depreciation of buildings, equipment and other depreciable assets is determined using the straight-line method of depreciation. Estimated useful lives range from 30 to 40 years for buildings and structures and 2 to 25 years for equipment.

Major improvements and replacements of property are capitalized. Maintenance, repairs, and minor improvements and replacements are expensed. Upon retirement or other disposition of property, applicable cost and accumulated depreciation or amortization are removed from the accounts. Any gains or losses are included in earnings.

TIMBER AND TIMBERLANDS

Timber and timberlands are valued at cost less accumulated depletion and amortization. For fee timber, the capitalized cost includes costs related to stand establishment, including costs of preparing the land for planting, cost of seeds or seedlings, and tree planting, including labor, materials, depreciation of company-owned equipment and the cost of contract services. Upon completion of planting activities and field inspection to assure the planting operation was successful, a plantation will be considered “established.” Subsequent expenditures made to maintain the integrity or enhance the growth of an established plantation or stand are expensed. Post-establishment expenses include release spray treatments, pest control activities, thinning operations, fertilization and replanting seedlings lost through mortality. Expenditures for forest management consist of regularly recurring items necessary for ownership and administration of timber producing property such as fire protection, property taxes and insurance, silviculture costs incurred subsequent to stand establishment, cruising (physical inventory), property maintenance

48 / POTLATCH CORPORATION

and salaries, supplies, travel, record-keeping and other normal recurring administrative personnel costs. These expenditures are accounted for as current operating expenses. Timberland acquisitions are capitalized and the cost is allocated to timberland, merchantable sawlogs, merchantable pulpwood, reproduction (young growth not merchantable), logging roads and other land improvements, generally based on relative appraised values.

The aggregate estimated volume of current standing merchantable timber inventory is updated at least annually to reflect increases due to reclassification of young growth to merchantable timber when the young growth meets defined diameter specifications, the annual growth of merchantable timber and the acquisition of additional merchantable timber, and to reflect decreases due to timber harvests and land sales. Timber volumes are estimated from cruises of the timber tracts, which are completed on our timberlands on approximately a five to ten year cycle. Since the individual cruises collect field data at different times for specific sites, the growth model projects standing inventory from the cruise date to a common reporting date. Annual growth rates for the merchantable inventory have historically been in the range of 2%-5% in the North and 6%-9% in the South.

Depletion represents the amount charged to expense as fee timber is harvested. Rates at which timber is depleted are calculated annually for each of our Resource regions by dividing the beginning of year balance of the timber accounts by the forest inventory volume, after inventory updates for growth projection adjustments and new timber cruises.

The base cost of logging roads, such as the clearing, grading, and ditching, is not amortized and remains a capitalized item until obliteration or other disposition, while other portions of the initial cost, such as bridges, culverts and gravel surfacing are amortized over their useful lives, which range from 5 to 20 years. Costs associated with temporary logging roads that will not remain part of our road system are expensed as incurred.

REAL ESTATE SALES

Sales of non-core timberland are considered to be part of our normal operations. We therefore classify revenue and costs associated with real estate sold in revenues and cost of goods sold, respectively, in our Consolidated Statements of Income. Cash generated from real estate sales is included as an operating activity in our Consolidated Statements of Cash Flows.

LIKE-KIND EXCHANGES AND RESTRICTED CASH

In order to acquire and sell assets, primarily timberlands, in a tax efficient manner, we sometimes enter into like-kind exchange (LKE) tax-deferred transactions. There are two main types of LKE transactions: forward transactions, in which property is sold and the proceeds are reinvested by acquiring similar property; and reverse

transactions, in which property is acquired and similar property is subsequently sold by us. Both forward and reverse transactions must be completed within prescribed time periods under Internal Revenue Code section 1031.

We use a qualified intermediary to facilitate LKE transactions. Proceeds from forward transactions are held by the intermediary and are classified as restricted cash within non-current other assets, because we intend to reinvest the the funds in similar properties. If the acquisition of suitable LKE properties is not completed within 180 days of the sale of the company-owned property, the proceeds are distributed to us by the intermediary and are reclassified as available cash and applicable income taxes are determined. In the case of reverse transactions in which we have not yet completed LKE sales of company-owned land to match with property purchased on our behalf by the intermediary, the amount associated with the property purchased on our behalf but not yet matched with LKE sales is classified as a non-current asset and included in “Timber and timberlands, net” in our Consolidated Balance Sheets and as “Additions to timber and timberlands” in the investing activities section of our Consolidated Statements of Cash Flows.

LONG-LIVED ASSETS

Our long-lived assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable, as measured by its undiscounted estimated future cash flows. We use our operational budgets to estimate future cash flows. The estimates are adjusted periodically to reflect changing business conditions. Impaired assets are written down to fair value. Assets to be disposed of are reported at the lower of carrying amount or fair value less cost to sell.

We recognize a liability and an asset equal to the fair value of our legal obligations to perform asset retirement activities if the amount can be reasonably estimated. Our primary obligations relate to asbestos located within our manufacturing facilities and a landfill site. We have recorded assets and corresponding liabilities that are not material to our financial position or results of operations. We have also identified situations that would have resulted in the recognition of additional asset retirement obligations, except for an inability to reasonably estimate the fair

2014 FORM 10-K / 49

value of the liability. Most of these situations relate to asbestos located within our manufacturing facilities where a settlement date or range of settlement dates cannot be specified. We review these obligations annually and do not expect them to have a material effect on our financial position, results of operations or cash flows.

INCOME TAXES

We use the asset and liability method of accounting for income taxes. Under this method, deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the financial statement carrying amounts of assets and liabilities and their respective tax bases, operating loss carryforwards and tax credit carryforwards. Deferred tax assets and liabilities are measured pursuant to tax laws using rates expected to apply to taxable income in the years in which the temporary differences are expected to be recovered or settled. We recognize the effect of a change in income tax rates on deferred tax assets and liabilities in the Consolidated Statements of Income and Consolidated Statements of Comprehensive Income in the period that includes the enactment date of the rate change. We record a valuation allowance to reduce the carrying amounts of deferred tax assets if it is more likely than not that such deferred tax assets will not be realized.

REVENUE RECOGNITION

We recognize revenue from the sale of timber when risk of loss transfers to the buyer and the quantity sold is determinable. These sales take the form of delivered logs, pay-as-cut contracts, timber deeds and lump sum contracts. On delivered log sales, revenue, which includes amounts billed for logging and hauling, is recognized at the point that logs are delivered and scaled. Revenue is recognized on timber deeds and lump sum contracts generally upon closing or when the contracts are effective, which is the point at which the buyer assumes risk of loss associated with the standing timber.

We receive cash consideration in full and recognize revenue at closing on substantially all our real estate sales.

We recognize revenue from the sale of manufactured wood products and residual by-products when there is persuasive evidence of a sales agreement, the price to the customer is fixed and determinable, collection is reasonably assured, and title and the risk of loss passes to the customer. Shipping terms generally indicate when title and the risk of loss have passed. Revenue is recognized at shipment for sales when shipping terms are FOB (free on board) shipping point. For sales where shipping terms are FOB destination, revenue is recognized when the goods are received by the customer.

Revenue is recognized net of any sales taxes collected. Sales taxes, when collected, are recorded as a current liability and remitted to the appropriate governmental entities.

PROSPECTIVE ACCOUNTING PRONOUNCEMENTS

In May 2014, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2014-09, Revenue from Contracts with Customers. This update was issued as Accounting Standards Codification Topic 606. The core principle of this amendment is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 is effective for annual reporting periods beginning after December 15, 2016, including interim periods within that reporting period, with earlier adoption not permitted. The guidance permits two implementation approaches, one requiring retrospective application of the new standard with restatement of prior years and one requiring prospective application of the new standard with disclosure of results under old standards. The adoption of this guidance is not expected to have a significant effect on our consolidated financial statements.

SHIPPING AND HANDLING COSTS

Costs for shipping and handling are included in cost of goods sold in our Consolidated Statements of Income.

50 / POTLATCH CORPORATION

NOTE 2. EARNINGS PER SHARE

The following table reconciles the number of shares used in calculating the basic and diluted earnings per share for the years ended December 31:

(Dollars in thousands, except per-share amounts)	2014		2013		2012
Net income	$	89,910	$	70,581	$	42,594
Basic weighted-average shares outstanding	40,748,924		40,502,878		40,333,333
Incremental shares due to:
Performance shares	117,830		133,766		134,079
Restricted stock units	27,628		69,076		70,217
Stock options	—		3,567		15,520
Diluted weighted-average shares outstanding	40,894,382		40,709,287		40,553,149
Basic net income per share	$	2.21	$	1.74	$	1.06
Diluted net income per share	$	2.20	$	1.73	$	1.05
Anti-dilutive shares excluded from the calculation:
Performance shares	—		3,441		—
Restricted stock units	1,216		—		315
Total anti-dilutive shares excluded from the calculation	1,216		3,441		315

NOTE 3. SHORT-TERM INVESTMENTS

Our short-term investments consist of diversified depository accounts, money market funds and variable rate demand obligations, all of which have very short maturity periods and therefore earn an interest rate commensurate with low-risk instruments. We classify our short-term investments as "available for sale" and there is no significant difference between cost and fair value. We do not attempt to hedge our exposure to interest rate risk for our short-term investments. All short-term investments of REIT funds are made in compliance with the requirements of the Internal Revenue Code with respect to qualifying REIT investments.

NOTE 4. INVENTORIES

(Dollars in thousands)	2014		2013
Logs	$	7,930	$	14,975
Lumber and other manufactured wood products	17,286		15,967
Materials and supplies	6,274		5,333
	$	31,490	$	36,275
Valued at lower of cost or market:
Last-in, first-out basis	$	16,874	$	23,250
Average cost basis	14,616		13,025
Total inventories	$	31,490	$	36,275

If the last-in, first-out inventory had been carried at average cost, the values would have been approximately $11.0 million, $11.3 million, and $10.6 million higher at December 31, 2014, 2013, and 2012, respectively.

2014 FORM 10-K / 51

NOTE 5. PROPERTY, PLANT AND EQUIPMENT

(Dollars in thousands)	2014			2013
Land and land improvements	$	18,374		$	17,201
Buildings and structures	36,174			33,985
Machinery and equipment	176,085			171,385
Construction in progress	5,878			1,225
	236,511			223,796
Less: accumulated depreciation	(170,762		)	(163,820		)
Total property, plant and equipment	$	65,749		$	59,976

Depreciation charged against operating income totaled $8.1 million, $8.2 million and $8.8 million in 2014, 2013 and 2012, respectively.

NOTE 6. TIMBER AND TIMBERLANDS

(Dollars in thousands)	2014		2013
Timber and timberlands	$	760,431	$	391,916
Logging roads	67,989		63,955
Total timber and timberlands	$	828,420	$	455,871

Depletion from company-owned lands totaled $14.5 million, $14.6 million and $12.9 million in 2014, 2013 and 2012, respectively. Amortization of logging roads totaled $2.8 million, $2.7 million and $2.6 million in 2014, 2013 and 2012, respectively.

On December 7, 2014, we acquired approximately 201,000 acres of timberland in Alabama and Mississippi for a total purchase price of $384 million. We borrowed $310 million of new term loans and used cash on hand to pay for the acquisition. See Note 9: Debt in the Notes to Consolidated Financial Statements. The transaction was accounted for as an asset acquisition.

Payments due under timber cutting contracts total $2.0 million, $2.6 million, $7.3 million and $2.5 million in 2015, 2016, 2017 and 2018, respectively.

NOTE 7. OTHER ASSETS

Current Other Assets
(Dollars in thousands)	2014		2013
Basis of real estate held for sale	$	11,529	$	10,010
Deferred charges	1,172		1,008
Prepaid expenses	2,364		943
Total current other assets	$	15,065	$	11,961

Noncurrent Other Assets
(Dollars in thousands)	2014		2013
Deferred charges	$	6,697	$	5,668
Noncurrent investments	911		3,144
Derivative asset associated with interest rate swaps	421		1,830
Developed land	1,733		1,733
Other	599		363
Total noncurrent other assets	$	10,361	$	12,738

Deferred charges primarily consist of deferred financing costs, which are being amortized over the life of the associated debt.

52 / POTLATCH CORPORATION

NOTE 8. INCOME TAXES

As a REIT, we generally are not subject to federal and state corporate income taxes on income of the REIT that we distribute to our shareholders. We are, however, subject to corporate taxes on built-in gains (the excess of fair market value over tax basis on January1, 2006) on sales of real property held by the REIT during the first ten years following our REIT conversion. The sale of standing timber is not subject to built-in gains tax. The Small Business Jobs Act of 2010 modified the built-in gains provisions to exempt sales of real properties in 2011, if five years of the recognition period had elapsed before January1, 2011. The reduced five-year holding period was extended each year through 2014. Accordingly, the built-in gains tax did not apply to Potlatch sales of real property that occurred in 2011 through 2014.

We conduct certain activities through taxable REIT subsidiaries (TRS) that are subject to corporate-level federal and state income taxes. These activities are principally comprised of our wood products manufacturing operations and certain real estate investments held for development and sale.

We reflect accrued interest related to tax obligations, as well as penalties, in our provision for income taxes. For the years ended December 31, 2014, 2013 and 2012, we recognized insignificant amounts related to interest and penalties in our tax provision. At December 31, 2014 and 2013, we had no accrued interest related to tax obligations and no accrued interest receivable with respect to open tax refunds.

Income tax expense consists of the following for the years ended December31:

(Dollars in thousands)	2014			2013			2012
Current	$	21,205		$	16,352		$	292
Deferred	(2,143		)	(2,754		)	8,197
Net operating loss carryforwards	625			287			8,320
Income taxes	$	19,687		$	13,885		$	16,809

Income tax expense differs from the amount computed by applying the statutory federal income tax rate of 35% to income before income taxes due to the following for the years ended December 31:

(Dollars in thousands)	2014			2013			2012
U.S. federal statutory income tax	$	38,359		$	29,563		$	20,791
REIT income not subject to federal income tax	(16,812		)	(13,918		)	(5,241		)
Change in valuation allowance	(1,818		)	(683		)	—
State income taxes, net of federal income tax	2,234			942			1,615
Domestic production activities deduction	(1,055		)	(1,579		)	—
Permanent book-tax differences	(1,073		)	(384		)	(413		)
All other items	(148		)	(56		)	57
Income taxes	$	19,687		$	13,885		$	16,809
Effective tax rate	18.0		%	16.4		%	28.3		%

2014 FORM 10-K / 53

The tax effects of significant temporary differences creating deferred tax assets and liabilities at December 31 were:

(Dollars in thousands)	2014			2013
Deferred tax assets:
Pensions	$	31,527		$	16,807
Postretirement employee benefits	16,209			18,464
Inventories	2,720			2,636
Incentive compensation	2,544			2,807
Nondeductible accruals	2,033			2,405
Tax credits	1,904			2,135
Employee benefits	1,839			1,586
Net operating loss carryforwards	142			1,056
Other	224			200
Total deferred tax assets	59,142			48,096
Valuation allowance	—			(2,184		)
Deferred tax assets, net of valuation allowance	59,142			45,912
Deferred tax liabilities:
Timber and timberlands	(5,120		)	(5,871		)
Property, plant and equipment	(10,626		)	(10,741		)
Total deferred tax liabilities	(15,746		)	(16,612		)
Net deferred tax assets	$	43,396		$	29,300

Net deferred tax assets and liabilities consist of:

(Dollars in thousands)	2014		2013
Current deferred tax assets	$	6,168	$	7,724
Noncurrent deferred tax assets	37,228		21,576
Net deferred tax assets	$	43,396	$	29,300

As of December 31, 2014 we believe it is more likely than not that we will have sufficient future taxable income to realize all of our deferred tax assets. During 2014, the valuation allowance decreased from $2.2 million to zero, with $1.8 million of the decrease due to the actual use and expected future use of Idaho Investment Tax Credits.

We have state net operating loss carryforwards of $3.4 million at December 31, 2014 that expire from 2016 through 2017. We have Idaho Investment Tax Credits of $2.9 million at December 31, 2014 that expire from 2016 through 2028.

The following table summarizes the tax years subject to examination by major taxing jurisdictions:

Jurisdiction	Years
Federal	2011	-	2014
Arkansas	2011	-	2014
Michigan	2010	-	2014
Minnesota	2010	-	2014
Idaho	2011	-	2014

As of December 31, 2014 and 2013, we had no liabilities for unrecognized tax benefits. We do not currently believe there is a reasonable possibility of recording a liability for unrecognized tax benefits within the next twelve months.

54 / POTLATCH CORPORATION

NOTE 9. DEBT

The following table presents our long-term debt as of December 31:

(Dollars in thousands)	2014			2013
Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024	$	322,000		$	12,000
Senior Notes, 7.50%, due 2019	150,000			150,000
Revenue bonds, 5.90% to 6.95%, due 2024 and 2026	108,335			108,335
Debentures, 6.95%, due 2015	22,500			22,500
Medium-term notes, 8.75% to 8.89%, due 2016 through 2022	27,250			27,250
	630,085			320,085
Interest rate swaps	793			1,830
Less unamortized discounts	(1,535		)	(1,823		)
	629,343			320,092
Less current portion	(22,870		)	—
Long-term debt	$	606,473		$	320,092

CREDIT AGREEMENT

On August 12, 2014, we entered into an amended and restated credit agreement with an expiration date of February 12, 2020, which supersedes our previous credit agreement dated as of December 11, 2012. This new credit agreement provides for a revolving line of credit with an initial aggregate principal amount not to exceed $250 million, which may be increased by up to an additional $250 million. It also includes a sublimit of $40 million for the issuance of standby letters of credit and a sublimit of $25 million for swing line loans. Usage under either or both subfacilities reduces availability under the revolving line of credit. As of December 31, 2014, there were no borrowings outstanding under the revolving line of credit, and approximately $1.4 million of the letter of credit subfacility was being used to support several outstanding letters of credit. Available borrowing capacity at December 31, 2014 was $248.6 million.

Pricing is set according to the type of borrowing. LIBOR Loans are issued at a rate equal to the British Bankers Association LIBOR Rate, while Base Rate Loans are issued at a rate equal to the Base Rate, which is a fluctuating rate per annum equal to the highest of (a) the Federal Funds Rate plus 1/2 of 1.00%, (b) the rate of interest in effect for such day as publicly announced from time to time by KeyBank as its “prime rate,” and (c) the sum of the LIBOR that would apply to a one month Interest Period plus 1.00%. The interest rates we pay for borrowings under either type of loan include an additional Applicable Rate, which can range from 0.875% to 1.70% for LIBOR loans and from 0% to 0.70% for Base Rate loans, depending on our current credit rating. As of December 31, 2014, we were able to borrow under the bank credit facility with the additional applicable rate of 1.30% for LIBOR Loans and 0.30% for Base Rate Loans, with facility fees of 0.2% on the $250 million of the bank credit facility.

TERM LOANS

On December 5, 2014, we entered into an amended and restated term loan agreement totaling $322 million, consisting of $310 million of new term loans to fund the acquisition of timberlands in Alabama and Mississippi and$12 million of term loans that we incurred in December 2012 to fund two timberland acquisitions in Arkansas. The new debt consists of six tranches of term loans, with $40.0 million maturing each year from 2019 through 2023 and $110.0 million maturing in 2024. The first three tranches are variable rate term loans based on 3-month LIBOR plus a spread between 1.65% and 1.90%. The last three tranches are fixed rate term loans with interest rates between 4.29% and 4.64%. Our original 2012 term loans consist of two$6 million tranches, with rates of 2.95% on the 2017 maturity and 3.70% on the 2020 maturity. The term loan agreement contains the same covenants and restrictions as those in our bank credit facility.

2014 FORM 10-K / 55

DEBT MATURITIES

Scheduled principal payments due on long-term debt during each of the five years subsequent to December 31, 2014, are as follows:

(Dollars in thousands)
2015	$	22,500
2016	5,000
2017	11,000
2018	14,250
2019	190,000

NOTE 10. ACCOUNTS PAYABLE AND ACCRUED LIABILITIES

(Dollars in thousands)	2014		2013
Wages, salaries and employee benefits	$	14,667	$	15,908
Trade accounts payable	5,656		7,702
Taxes other than income taxes	5,663		6,247
Interest	4,811		4,018
Logging related expenses	2,983		1,600
Deferred recreational lease income	1,616		880
Freight	740		802
Book overdrafts	4,385		2,920
Other	2,543		3,540
Total	$	43,064	$	43,617

NOTE 11. OTHER LONG-TERM OBLIGATIONS

(Dollars in thousands)	2014		2013
Employee benefits and related liabilities	$	8,839	$	15,423
Cost share logging roads	5,894		5,759
Other	1,019		1,171
Total	$	15,752	$	22,353

On May 8, 2014, our board approved changes to our director compensation program. This amendment states that upon a director's separation from the company, all deferred awards will be settled in company stock and no longer settled in cash. This resulted in a reclassification of the related $4.3 million from employee benefits and related liabilities to stockholders' equity.

56 / POTLATCH CORPORATION

NOTE 12. FINANCIAL INSTRUMENTS AND CONCENTRATION OF RISK

FAIR VALUE OF FINANCIAL INSTRUMENTS

Estimated fair values of our financial instruments as of December 31 are as follows:

	2014				2013
(Dollars in thousands)	CARRYING AMOUNT		FAIR VALUE		CARRYING AMOUNT		FAIR VALUE
Cash and short-term investments (Level 1)	$	31,012	$	31,012	$	57,837	$	57,837
Net derivative asset related to interest rate swaps (Level 2)	793		793		1,830		1,830
Long-term debt (including current portion of long-term debt and fair value adjustments related to fair value swaps) (Level 2)	629,343		657,943		320,092		347,869
Company owned life insurance (COLI) (Level 3)	877		877		3,110		3,110

A framework has been established for measuring fair value, which provides a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The three levels of the fair value hierarchy are described below.

Level 1 Inputs to the valuation methodology are unadjusted quoted prices for identical assets or liabilities in active markets.

Level 2 Inputs to the valuation methodology include:

• Quoted prices for similar assets or liabilities in active markets;

• Quoted prices for identical or similar assets or liabilities in inactive markets;

• Inputs other than quoted prices that are observable for the asset or liability; and

• Inputs that are derived principally from or corroborated by observable market data by correlation or other means.

If the asset or liability has a specified (contractual) term, the Level 2 input must be observed for substantially the full term of the asset or liability.

Level 3 Inputs to the valuation methodology are unobservable and significant to the fair value measurement.

The fair value measurement level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement. Valuation techniques used need to maximize the use of observable inputs and minimize the use of unobservable inputs.

For cash and short-term investments, the carrying amount approximates fair value due to the short-term nature of these financial instruments. The fair value of the interest rate swaps was determined using discounted cash flow analysis on the expected cash flows of each derivative. The analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate forward curves. The fair value of our long-term debt is estimated based upon the quoted market prices for the same or similar debt issues, or estimated based on average market prices for comparable debt when there is no quoted market price. Contract value of our COLI, the amount at which it could be redeemed, is used as a practical expedient to estimate fair value because market prices are not readily available.

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES

We record all derivatives on our balance sheet at fair value. Derivatives designated and qualifying as a hedge of the exposure to changes in the fair value of an asset, liability, or firm commitment attributable to a particular risk, such as interest rate risk, are considered fair value hedges. Hedge accounting generally provides for the matching of the timing of gain or loss recognition on the hedging instrument with the recognition of the changes in the fair value of the hedged asset or liability that is attributable to the hedged risk in a fair value hedge.

We formally document all relationships between hedging instruments and hedged items, as well as the risk-management objective and strategy for undertaking various hedge transactions.

FAIR VALUE HEDGES OF INTEREST RATE RISK

As of December 31, 2014, we had seven separate interest rate swaps with notional amounts totaling $96.75 million associated with our $22.5 million debentures, $24.25 million of our medium-term notes and $50.0 million of our

2014 FORM 10-K / 57

senior notes. The swaps convert interest payments with fixed rates ranging between 6.95% and 8.89% to a variable rate of 3-month LIBOR plus a spread between 4.738% and 6.518%. The interest rate swaps terminate at various dates between December 2015 and November 2019.

NON-DESIGNATED LUMBER SWAP

Derivatives not designated as hedges were not speculative and have been used occasionally to manage our exposure to commodity price movements, but did not meet the strict hedge accounting requirements. In February 2012, we entered into two commodity swap contracts that settled during the second quarter of 2012. In September 2011, we entered into two commodity swap contracts that settled in February 2012. Changes in the fair value of derivatives not designated in hedging relationships were recorded directly in net income. There were no outstanding lumber swap contracts at December 31, 2014 or 2013.

BALANCE SHEET AND INCOME EFFECTS OF DERIVATIVES

The fair values of derivative instruments on our Consolidated Balance Sheets as of December 31 are as follows:

	DERIVATIVE ASSETS
		2014		2013
(Dollars in thousands)	BALANCE SHEET LOCATION	FAIR VALUE		FAIR VALUE
Derivatives designated as hedging instruments:
Interest rate contracts	Other noncurrent assets	$	793	$	1,830
Total derivatives designated as hedging instruments		$	793	$	1,830

The effect of derivatives on the Consolidated Statements of Income for the years ended December 31, 2014, 2013 and 2012 are as follows:

	LOCATION OF GAIN (LOSS) RECOGNIZED  IN INCOME	AMOUNT OF GAIN (LOSS) RECOGNIZED IN INCOME
(Dollars in thousands)		2014		2013		2012
Derivatives designated in fair value hedging relationships:
Interest rate contracts
Realized gain on hedging instrument1	Interest expense	$	979	$	960	$	868
Net gain recognized in income from fair value hedges		$	979	$	960	$	868
Derivatives not designated as hedging instruments:
Lumber contracts
Unrealized loss on derivative	Cost of goods sold	$	—	$	—	$	(480	)
Realized loss on derivative	Cost of goods sold	—		—		(396		)
Net loss recognized in income from derivatives not designated as hedging instruments		$	—	$	—	$	(876	)

¹  Realized gain on hedging instrument consists of net cash settlements and interest accruals on the interest rate swaps during the period.

CONCENTRATION OF RISK

One customer accounted for slightly more than 10% of our revenues in the years ended December 31, 2014, 2013 and 2012.

58 / POTLATCH CORPORATION

NOTE 13. SAVINGS PLANS, PENSION PLANS AND OTHER POSTRETIREMENT EMPLOYEE BENEFITS

SAVINGS PLANS

Substantially all of our employees are eligible to participate in 401(k) savings plans. In 2014, 2013 and 2012, we made matching 401(k) contributions on behalf of employees of $2.0 million, $1.8 million and $1.6 million, respectively. Effective January 1, 2011, we closed our defined benefit pension plans to any new salaried and hourly non-represented entrants. In connection with these closures, additional company 401(k) contributions are made for employees hired after that date.

PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS

We also provide benefits under company-sponsored defined benefit retiree health care plans, which cover certain salaried and hourly employees. Most of the retiree health care plans require retiree contributions and contain other cost-sharing features.

We recognize the underfunded status of our defined benefit pension plans and other postretirement employee benefit obligations on our Consolidated Balance Sheets. We recognize the changes in the funded status in the year in which changes occur through our Consolidated Statements of Comprehensive Income.

We use a December 31 measurement date for our benefit plans and obligations.

The change in benefit obligation, change in plan assets and funded status for company-sponsored benefit plans and obligations are as follows:

	PENSION PLANS						OTHER POSTRETIREMENT EMPLOYEE BENEFITS (OPEB)
(Dollars in thousands)	2014			2013			2014			2013
Benefit obligation at beginning of year	$	(393,565	)	$	(445,535	)	$	(47,343	)	$	(52,033	)
Service cost	(5,081		)	(5,318		)	(25		)	(94		)
Interest cost	(19,184		)	(17,826		)	(1,741		)	(1,810		)
Plan amendments	—			—			—			—
Actuarial loss (gain)	(49,990		)	41,178			3,229			2,692
Benefits paid	50,126			33,936			4,319			3,902
Benefit obligation at end of year	$	(417,694	)	$	(393,565	)	$	(41,561	)	$	(47,343	)
Fair value of plan assets at beginning of year	$	350,588		$	345,633		$	—		$	—
Actual return on plan assets	31,280			37,157			—			—
Employer contributions and benefit payments	5,317			1,734			4,319			3,902
Benefits paid	(50,126		)	(33,936		)	(4,319		)	(3,902		)
Fair value of plan assets at end of year	$	337,059		$	350,588		$	—		$	—
Amounts recognized in the consolidated balance sheets:
Current liabilities	$	(1,774	)	$	(1,772	)	$	(4,486	)	$	(4,929	)
Noncurrent liabilities	(78,861		)	(41,205		)	(37,075		)	(42,414		)
Funded status	$	(80,635	)	$	(42,977	)	$	(41,561	)	$	(47,343	)

Changes in actuarial assumptions, primarily the decrease in the discount rate, and adoption of updated mortality tables used to calculate our pension liabilities resulted in a decrease to the funded status of our pension plans at the end of 2014.

The accumulated benefit obligation for all defined benefit pension plans was $410.4 million and $387.4 million at December 31, 2014 and 2013, respectively.

On January 1, 2011 we froze our pension plans to any new salaried and hourly non-represented employees hired after that date.

2014 FORM 10-K / 59

In late 2009, we restructured our health care and life insurance plans for the majority of our retirees, with the changes effective January 1, 2010. The level of subsidy was frozen for retirees so that all future increments in heath care costs will be borne by the retirees. In addition, the retiree medical plans were redesigned for all retirees. For retirees under age 65, a high deductible medical plan was created and all other existing medical plans were terminated. These retirees were transferred to the new medical plan effective January 1, 2010. For retirees age 65 or over, the medical plan is divided into two components, with the company continuing to self-insure prescription drugs and providing a fully-insured medical supplemental plan through AARP/United Healthcare. Both medical plans require the retiree to contribute the amounts in excess of the company subsidy in order to continue coverage. Finally, vision, dental and life insurance coverage for these retirees were terminated. The effect of these retiree plan changes was a reduction in the accumulated postretirement benefit obligation of $76.7 million, which was recognized as of December 31, 2009. The retirees from our Arkansas wood products manufacturing facility are represented by a bargaining group and their retiree medical plan is covered by the collective bargaining agreement.

PENSION ASSETS

We utilize formal investment policy guidelines for our company-sponsored pension plan assets. These guidelines are periodically reviewed by the board of directors. The board of directors has delegated its authority to management to insure that the investment policy and guidelines are adhered to and the investment objectives are met.

The general policy states that plan assets will be invested to seek the greatest return consistent with the fiduciary character of the pension funds and to allow the plans to meet the need for timely pension benefit payments. The specific investment guidelines stipulate that management will maintain adequate liquidity for meeting expected benefit payments by reviewing, on a timely basis, contribution and benefit payment levels and appropriately revise long-term and short-term asset allocations. Management takes reasonable and prudent steps to preserve the value of pension fund assets and to avoid the risk of large losses. Major steps taken to provide this protection include the following:

•Assets are diversified among various asset classes, such as domestic equities, global equities, fixed income, convertible securities and liquid reserves. The long-term asset allocation ranges are as follows:

Domestic and international equities	24	%	-	48%
Fixed income securities	38	%	-	58%
Alternatives	12	%	-	18%
Cash	0	%	-	5%

Periodic reviews of allocations within these ranges are made to determine what adjustments should be made based on changing economic and market conditions and specific liquidity requirements.

• Assets are managed by professional investment managers and may be invested in separately managed accounts or commingled funds. Assets are diversified by selecting different investment managers for each asset class and by limiting assets under each manager to no more than 25% of the total pension fund.

• Assets are not invested in Potlatch stock.

The investment guidelines also provide that the individual investment managers are expected to achieve a reasonable rate of return over a market cycle. Emphasis will be placed on long-term performance versus short-term market aberrations. Factors to be considered in determining reasonable rates of return include performance achieved by a diverse cross section of other investment managers, performance of commonly used benchmarks (e.g., Russell 3000 Index, Barclays US Long Credit Index, Morgan Stanley Capital International All Country World Index ex US), actuarial assumptions for return on plan investments and specific performance guidelines given to individual investment managers.

60 / POTLATCH CORPORATION

The asset allocations of the pension benefit plans’ assets at December 31 by asset category are as follows:

	PENSION PLANS
ASSET CATEGORY	2014		2013
Domestic equity securities	14	%	20	%
Global/international equity securities	22		27
Fixed income securities	48		38
Other	16		15
Total	100	%	100	%

The pension assets are stated at fair value. Refer toNote 12. Financial Instruments and Concentration of Risk for discussion of the framework used to measure fair value.

Following is a description of the valuation methodologies used for assets measured at fair value:

• Corporate common and preferred stocks are valued at quoted market prices reported on the major securities markets, and are classified in Level 1. Investments in registered investment company funds for which market quotations are generally readily available are valued at the last reported sale price, official closing price or publicly available net asset value, or NAV, (or its equivalent) on the primary market or exchange on which they are traded, and are classified in Level 1.

• Investments in common and collective trust funds, hedge funds and liquidating trusts that maintain investments in mortgage-backed securities, are generally valued based on their respective NAV (or its equivalent), as a practical expedient to estimate fair value due to the absence of readily available market prices. Investments that may be fully redeemed at NAV in the near-term are generally classified in Level 2.

• Investments in funds that may not be fully redeemed at NAV in the near-term are generally classified in Level 3.

Fair value measurements at December 31, 2014:

(Dollars in thousands)
ASSET CATEGORY	QUOTED PRICES IN ACTIVE MARKETS FOR IDENTICAL ASSETS (LEVEL 1)		SIGNIFICANT OBSERVABLE INPUTS (LEVEL 2)		SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)		TOTAL
Cash and equivalents	$	6,586	$	—	$	—	$	6,586
Equity securities:
U.S. small/mid cap1	1,136		—		—		1,136
International companies	13,782		—		—		13,782
Mutual funds2	226,710				—		226,710
Collective investments:
U.S. large cap3	—		30,005		—		30,005
Developed markets4	—		29,879		—		29,879
Emerging markets5	—		28,961		—		28,961
Total	$	248,214	$	88,845	$	—	$	337,059

¹  These are managed investments in US small/mid cap equities that track the Russell 2500 Growth index.

²  The mutual funds were 72% invested in high-quality intermediate and long-term investment grade securities, 22% invested in a diversified portfolio of fixed-income instruments of varying maturities, which may be represented by forwards or derivatives such as options, futures contracts or swap agreements and debt securities, and 6% invested in US small/mid cap equities that track the Russell 2500 Growth index.

³  These collective investments are invested in US large cap equities that track the S&P 500.

⁴  These collective investments are invested in equity funds of developed markets outside of the US & Canada, that track the MSCI EAFE Value or MSCI EAFE Growth index.

⁵  These collective investments are invested in equity funds of emerging markets outside of the US & Canada, that track the MSCI Emerging Markets index.

2014 FORM 10-K / 61

Fair value measurements at December 31, 2013:

(Dollars in thousands)
ASSET CATEGORY	QUOTED PRICES IN ACTIVE MARKETS FOR IDENTICAL ASSETS (LEVEL 1)		SIGNIFICANT OBSERVABLE INPUTS (LEVEL 2)		SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)		TOTAL
Cash and equivalents	$	9,673	$	—	$	—	$	9,673
Equity securities:
U.S. large cap1	32,304		—		—		32,304
U.S. small/mid cap2	19,053		—		—		19,053
International companies	34,773		—		—		34,773
Mutual funds3	185,505		—		—		185,505
Collective investments:
Developed markets4	—		17,401		—		17,401
Emerging markets5	—		41,300		—		41,300
Hedge funds6	—		—		10,579		10,579
Total	$	281,308	$	58,701	$	10,579	$	350,588

¹  These are managed investments in US large cap equities that track the Russell 1000 Value index.

²  These are managed investments in US small/mid cap equities that track the Russell 2500 Growth index.

³  The mutual funds were 50% invested in high-quality intermediate and long-term investment grade securities and 50% invested in a diversified portfolio of fixed-income instruments of varying maturities, which may be represented by forwards or derivatives such as options, futures contracts or swap agreements and debt securities.

⁴  These collective investments are invested in equity funds of developed markets outside of the US & Canada, that track the MSCI EAFE index.

⁵  These collective investments are invested in equity funds of emerging markets outside of the US & Canada, that track the MSCI Emerging Markets index.

⁶  The hedge funds are 37% invested in long/short and event-driven equity, 24% invested in long and short credit, 11% in relative value, 10% invested in distressed debt, 6% invested in convertible bond hedging, with the remaining 13% in other investments.

The following table sets forth a summary of changes in the fair value of the plans’ Level 3 assets for the years ended December 31:

	Hedge Funds
(Dollars in thousands)	2014			2013
Balance, beginning of year	$	10,579		$	45,693
Sales and settlements	(10,579		)	(34,500		)
Unrealized losses relating to assets still held at the reporting date	—			(614		)
Balance, end of year	$	—		$	10,579

62 / POTLATCH CORPORATION

PLAN ACTIVITY

Pre-tax components of net periodic cost (benefit) recognized in our Consolidated Statements of Income were as follows:

	PENSION PLANS									OTHER POSTRETIREMENT EMPLOYEE BENEFITS
(Dollars in thousands)	2014			2013			2012			2014			2013			2012
Service cost	$	5,081		$	5,318		$	5,238		$	25		$	94		$	284
Interest cost	19,184			17,826			19,986			1,741			1,810			2,478
Expected return on plan assets	(24,512		)	(26,092		)	(28,755		)	—			—			—
Curtailment credit	—			—			—			—			—			(103		)
Amortization of prior service cost (credit)	748			779			770			(9,641		)	(9,708		)	(9,343		)
Amortization of actuarial loss	14,451			19,929			15,356			2,186			3,209			3,127
Net periodic cost (benefit)	$	14,952		$	17,760		$	12,595		$	(5,689	)	$	(4,595	)	$	(3,557	)

Other amounts recognized in our Consolidated Statements of Comprehensive Income were as follows:

	PENSION PLANS									OTHER POSTRETIREMENT EMPLOYEE BENEFITS
(Dollars in thousands)	2014			2013			2012			2014			2013			2012
Net amount at beginning of year	$	117,167		$	161,667		$	158,883		$	(18,447	)	$	(20,769	)	$	(18,001	)
Amounts arising during the period:
Net loss (gain)	43,223			(52,242		)	20,180			(3,229		)	(2,692		)	(4,878		)
Prior service cost (credit)	—			—			510			—			—			(5,942		)
Taxes	(16,857		)	20,374			(8,069		)	1,259			1,050			4,260
Net amount arising during the period	26,366			(31,868		)	12,621			(1,970		)	(1,642		)	(6,560		)
Amounts reclassified during the period:
Amortization of prior service (cost) credit	(748		)	(779		)	(770		)	9,641			9,708			9,343
Amortization of actuarial loss	(14,451		)	(19,929		)	(15,356		)	(2,186		)	(3,209		)	(3,127		)
Taxes	5,927			8,076			6,289			(2,907		)	(2,535		)	(2,424		)
Net reclassifications during the period	(9,272		)	(12,632		)	(9,837		)	4,548			3,964			3,792
Net amount at end of year	$	134,261		$	117,167		$	161,667		$	(15,869	)	$	(18,447	)	$	(20,769	)

Amounts recognized in accumulated other comprehensive loss on our Consolidated Balance Sheets, net of tax, consist of:

	PENSION PLANS					OTHER POSTRETIREMENT EMPLOYEE BENEFITS
(Dollars in thousands)	2014			2013		2014			2013
Net loss	$	134,717		$	115,404	$	(21,750	)	$	16,490
Prior service cost (credit)	(456		)	1,763		5,881			(34,937		)
Net amount recognized	$	134,261		$	117,167	$	(15,869	)	$	(18,447	)

2014 FORM 10-K / 63

The estimated net loss and prior service cost for the defined benefit pension plans that will be amortized from accumulated other comprehensive loss into net periodic benefit cost over the next fiscal year are $17.6 million and $0.6 million, respectively. The estimated net loss and prior service credit for OPEB obligations that will be amortized from accumulated other comprehensive loss into net periodic benefit over the next fiscal year are $2.2 million and $9.3 million, respectively.

EXPECTED FUNDING AND BENEFIT PAYMENTS

We are not required to make a contribution to our qualified pension plan in 2015. Our non-qualified pension plan is unfunded and benefit payments are paid from our general assets. We estimate approximately $1.8 million in supplemental pension plan payments in 2015.

Our other postretirement employee benefit plans are unfunded and benefit payments are paid from our general assets they come due. Estimated future benefit payments represent benefit costs incurred during the year by eligible participants.

Estimated future benefit payments, which reflect expected future service are as follows for the years indicated:

(Dollars in thousands)	PENSION PLANS		OTHER POSTRETIREMENT EMPLOYEE BENEFITS
2015	$	29,566	$	4,486
2016		29,342		4,293
2017		29,167		4,044
2018		29,049		3,789
2019		29,031		3,541
2020 – 2024		143,681		14,600

ACTUARIAL ASSUMPTIONS

The weighted average assumptions used to determine the benefit obligation as of December 31 were:

	PENSION PLANS						OTHER POSTRETIREMENT EMPLOYEE BENEFITS
	2014		2013		2012		2014		2013		2012
Discount rate	4.25	%	5.10	%	4.15	%	3.90	%	4.45	%	3.70	%
Rate of salaried compensation increase	3.00	%	3.00	%	3.50	%	—		—		—

The weighted average assumptions used to determine the net periodic benefit (cost) for the years ended December 31 were:

	PENSION PLANS						OTHER POSTRETIREMENT EMPLOYEE BENEFITS
	2014		2013		2012		2014		2013		2012
Discount rate	5.10	%	4.15	%	4.95	%	4.45	%	3.70	%	4.85	%
Expected return on plan assets	7.50	%	8.00	%	8.00	%	—		—		—
Rate of salaried compensation increase	3.00	%	3.50	%	3.50	%	—		—		—

The discount rate used in the determination of pension and other postretirement employee benefit obligations in 2014 and 2013 was calculated using hypothetical bond portfolios to match the expected benefit payments under each of our pension plans and other postretirement employee benefit obligations based on bonds available on December 31, 2014 with a rating of "AA" or better. The portfolios were well-diversified over corporate industrial, corporate financial, municipal, federal and foreign government issuers.

The expected return on plan assets assumption is based upon an analysis of historical long-term returns for various investment categories, as measured by appropriate indices. These indices are weighted based upon the extent to which plan assets are invested in the particular categories in arriving at our determination of a composite expected return. The expected rate of return assumption that will be used to determine net periodic cost for 2015 is 6.75%.

The assumed health care cost trend rate used to calculate other postretirement employee benefit obligations as of December 31, 2014 was 5.7% for a certain group of participants under age 65 in our hourly plan and our Arkansas participants covered by a collective bargaining agreement, grading ratably to an assumption of 4.3% in 2094.

64 / POTLATCH CORPORATION

A one percentage point change in the health care cost trend rates would have the following effects on our December 31, 2014Consolidated Financial Statements:

(Dollars in thousands)	1% INCREASE		1% DECREASE
Effect on total service cost plus interest cost	$	5	$	(5	)
Effect on accumulated postretirement benefit obligation	112		(112		)

NOTE 14. COMMITMENTS AND CONTINGENCIES

We have operating leases covering office space, equipment, land and vehicles expiring at various dates through 2033. As leases expire, it can be expected that certain leases will be renewed or replaced in the normal course of business.

As of December 31, 2014, the future minimum rental payments required under our operating leases are as follows:

(Dollars in thousands)
2015	$	4,211
2016	3,148
2017	1,904
2018	1,123
2019	452
2020 and thereafter	1,355
Total	$	12,193

Operating lease expense was $4.0 million, $3.6 million and $3.1 million for the years ended December 31, 2014, 2013 and 2012, respectively.

In January 2007, the Environmental Protection Agency (EPA) notified us that we are a potentially responsible party under the Comprehensive Environmental Response, Compensation and Liability Act of 1980 (CERCLA) and the Clean Water Act for cleanup of a site known as Avery Landing in northern Idaho. We own a portion of the land at the Avery Landing site, which we acquired in 1980 from the Milwaukee Railroad. The land we own at the site and adjacent properties were contaminated with petroleum as a result of the Milwaukee Railroad's operations at the site prior to 1980. We entered into a consent order with the EPA in August 2008 to conduct an Engineering Evaluation/Cost Analysis (EE/CA) study to determine the best means of addressing the contamination at the site. In January 2010, we submitted our draft EE/CA report to the EPA outlining various alternatives for addressing the contamination at the entire site. Ultimately, the EPA published a draft EE/CA report on January 26, 2011 for public comment. The public comment period closed March 11, 2011, and on July 5, 2011, the EPA issued an Action Memorandum for the Avery Landing Site selecting contaminant extraction and off-site disposal as the remedial alternative. On May 23, 2012, we signed a consent order with the EPA pursuant to which we agreed to provide $1.75 million in funding for EPA cleanup on a portion of our property (including the adjacent riverbank owned by the Idaho Department of Lands). On April 4, 2013, the EPA issued a unilateral administrative order requiring us to remediate the portion of the Avery Landing site that we own. During the first quarter of 2013, we increased our accrual by $0.75 million. We began work on the site in May 2013 and discovered more contaminant on our property than had been expected based upon previous testing, and accordingly, during the second quarter of 2013 we increased our expense by an additional $1.75 million. During the third quarter of 2013, we increased our accrual by approximately $1.0 million to reflect the final work completed on the site in September 2013. On January 23, 2014, the EPA project manager informed us that he approved our Final Completion Report dated January 17, 2014 and our Final Natural Attenuation Performance Monitoring Plan dated January 17, 2014, and we have no further obligations with regard to our property other than fulfillment of the Monitoring Plan.

2014 FORM 10-K / 65

The following table details our Avery Landing environmental remediation reserve balance for the years ended December 31:

(Dollars in thousands)	2014		2013
Beginning reserve balance	$	—	$	4,250
Environmental remediation charge	—		3,522
Cash payments	—		(7,772		)
Ending reserve balance	$	—	$	—

Negotiations with the EPA continue regarding a final settlement and release of EPA claims against us regarding the site, and we cannot predict at this time what additional costs, if any, that we may incur on this matter. We have reserved all of our rights to seek reimbursement for the costs of remediation from all parties potentially responsible.

We believe there is no pending or threatened litigation that would have a material adverse effect on our financial position, operations or liquidity.

NOTE 15. EQUITY-BASED COMPENSATION PLANS

As of December 31, 2014, we had two stock incentive plans under which performance shares, restricted stock units (RSUs), or deferred compensation stock equivalent units were outstanding. All of these plans have received shareholder approval. We were originally authorized to issue up to 1.6 million shares and 1.0 million shares under our 2005 Stock Incentive Plan and 2014 Stock Incentive Plan, respectively. At December 31, 2014, approximately 1.1 million shares were authorized for future use under the 2005 Stock Incentive Plan and 2014 Stock Incentive Plan. We issue new shares of common stock to settle performance shares, restricted stock units, and deferred compensation stock equivalent units.

The following table details our compensation expense and the related income tax benefit as of December 31:

(Dollars in thousands)	2014		2013		2012
Employee equity-based compensation expense:
Performance shares	3,515		3,635		3,440
Restricted stock units	622		742		627
Total employee equity-based compensation expense	$	4,137	$	4,377	$	4,067
Deferred compensation stock equivalent units expense	$	345	$	1,265	$	2,008
Total tax benefit recognized for shared-based payment awards	$	280	$	71	$	525

PERFORMANCE SHARES

Performance share awards granted under the stock incentive plans have a three-year performance period and shares are issued at the end of the period if the performance measure is met. The performance measure is based on the percentile ranking of our total shareholder return relative to the total shareholder return performance of both a selected peer group of companies and a larger group of indexed companies over the three-year performance period. The number of shares actually issued, as a percentage of the amount subject to the performance share award, could range from 0% to 200%. Performance share awards granted under our stock incentive plans do not have voting rights unless and until shares are issued upon settlement. If shares are issued at the end of the three-year performance measurement period, the recipients will receive distribution equivalents in the form of additional shares at the time of payment equal to the distributions that would have been paid on the shares earned had the recipients owned the shares during the three-year period. Therefore, the shares are not considered participating securities.

A Monte Carlo simulation method is used to estimate the stock prices of Potlatch and the selected peer companies at the end of the three-year performance period. The expected volatility of each company’s stock price and covariance of returns among the peer companies are key assumptions within the Monte Carlo simulation. Historical volatility over a term similar to the performance period is considered a reasonable proxy for forecasted volatility. Likewise, because the returns of Potlatch and the peer group companies are correlated, the covariance, a measure of how two variables tend to move together, is calculated over a historical term similar to the performance period

66 / POTLATCH CORPORATION

and applied in the simulations. The simulations use the stock prices of Potlatch and the peer group of companies as of the award date as a starting point. Multiple simulations are generated, resulting in share prices and total shareholder return values for Potlatch and the peer group of companies. For each simulation, the total shareholder return of Potlatch is ranked against that of the peer group of companies. The future value of the performance share unit is calculated based on a multiplier for the percentile ranking and then discounted to present value. The discount rate is the risk-free rate as of the award date for a term consistent with the performance period. Awards are also credited with dividend equivalents at the end of the performance period, and as a result, award values are not adjusted for dividends.

The following table presents the key inputs used in calculating the fair value of the performance share awards in 2014, 2013 and 2012, and the resulting fair values:

	2014			2013			2012
Shares granted	87,441			83,111			85,028
Stock price as of valuation date	$	39.76		$	45.31		$	31.11
Risk-free rate	0.72		%	0.40		%	0.40		%
Fair value of a performance share	$	45.57		$	62.78		$	34.24

The following table summarizes outstanding performance share awards as of December 31, 2014, 2013 and 2012, and changes during those years:

(Dollars in thousands, except per-share amounts)	2014					2013					2012
	SHARES			WEIGHTED AVG. GRANT DATE FAIR VALUE		SHARES			WEIGHTED AVG. GRANT DATE FAIR VALUE		SHARES			WEIGHTED AVG. GRANT DATE FAIR VALUE
Unvested shares outstanding at January 1	155,814			$	48.73	160,214			$	44.50	154,594			$	50.54
Granted	87,441			45.57		83,111			62.78		85,028			34.24
Vested	(76,202		)	34.24		(71,861		)	55.84		(76,812		)	45.30
Forfeited	(6,820		)	49.75		(15,650		)	47.32		(2,596		)	44.99
Unvested shares outstanding at December 31	160,233			53.86		155,814			48.73		160,214			44.50
Total grant date fair value of share awards vested during the year	$	2,609				$	4,013				$	3,480
Aggregate intrinsic value of unvested share awards at December 31	$	6,709				$	6,504				$	6,019

As of December 31, 2014, there was $4.1 million of unrecognized compensation cost related to unvested performance share awards, which is expected to be recognized over a weighted average period of 1.6 years.

RESTRICTED STOCK UNITS

Our 2005 Stock Incentive Plan and 2014 Stock Incentive Plan also allow for awards to be issued in the form of RSU grants. During 2014, 2013 and 2012, certain officers and other select employees of the company were granted RSU awards that will accrue distribution equivalents based on distributions paid during the RSU vesting period. The distribution equivalents will be converted into additional RSUs that will vest in the same manner as the underlying RSUs to which they relate. Therefore, the shares are not considered participating securities. The terms of the awards state that the RSUs will vest in a given time period of one to three years, and the terms of certain awards follow a vesting schedule within the given time period.

2014 FORM 10-K / 67

A summary of the status of outstanding RSU awards as of December 31, 2014, 2013 and 2012, and changes during these years is presented below:

	2014					2013					2012
	SHARES			WEIGHTED AVERAGE GRANT DATE FAIR VALUE		SHARES			WEIGHTED AVERAGE GRANT DATE FAIR VALUE		SHARES			WEIGHTED AVERAGE GRANT DATE FAIR VALUE
Unvested shares outstanding at January 1	37,461			$	38.69	40,219			$	34.82	36,359			$	35.60
Granted	19,599			40.51		23,449			44.41		20,225			31.53
Vested	(21,333		)	34.46		(19,796		)	38.19		(14,861		)	32.41
Forfeited	(3,272		)	42.06		(6,411		)	36.91		(1,504		)	33.36
Unvested shares outstanding at December 31	32,455			42.24		37,461			38.69		40,219			34.82
Total grant date fair value of RSU awards vested during the year (in thousands)	$	735				$	756				$	482
Aggregate intrinsic value of unvested RSU awards at December 31 (in thousands)	$	1,359				$	2,511				$	1,575

As of December 31, 2014, there was $0.8 million of total unrecognized compensation cost related to outstanding RSU awards, which is expected to be recognized over a weighted average period of 1.5 years.

STOCK OPTIONS

All outstanding stock options were granted with an exercise price equal to the market price on the date of grant, were fully exercisable after two years and expire not later than 10 years from the date of grant. No new stock options were granted in 2014, 2013 or 2012.

A summary of the status of outstanding stock options as of December 31, 2014, 2013 and 2012 and changes during those years is presented below:

	2014					2013					2012
	SHARES			WEIGHTED AVG. EXERCISE PRICE		SHARES			WEIGHTED AVG. EXERCISE PRICE		SHARES			WEIGHTED AVG. EXERCISE PRICE
Outstanding at January 1	12,859			$	30.92	83,827			$	27.46	144,684			$	23.34
Shares exercised	(12,859		)	30.92		(70,968		)	26.25		(60,857		)	17.66
Outstanding and exercisable at December 31	—					12,859			30.92		83,827			27.46
Total intrinsic value of options exercised during the year (in thousands)	$	150				$	1,423				$	938

Cash received from stock option exercises for the years ended December 31, 2014, 2013 and 2012 was $0.4 million, $1.9 million and $1.1 million, respectively.

68 / POTLATCH CORPORATION

DEFERRED COMPENSATION STOCK EQUIVALENT UNITS

A long term incentive award is granted annually to our directors, and payable upon a director's separation from service. Directors may also elect to defer their annual retainers, payable in the form of stock. All stock unit equivalent accounts are credited with dividend equivalents. As of December 31, 2014, there were 122,782 shares outstanding that will be distributed in the future to directors as common stock.

NOTE 16. SEGMENT INFORMATION

Our businesses are organized into three reportable operating segments: Resource, Wood Products and Real Estate. The Resource segment manages our timberlands to optimize revenue producing opportunities while adhering to our strict stewardship standards. Management activities include planting and harvesting trees and building and maintaining roads. The Resource segment also generates revenues from non-timber resources such as hunting leases, recreation permits and leases, mineral rights leases, biomass production, carbon sequestration and other leasing opportunities. The Wood Products segment manufactures and markets lumber and plywood. The business of our Real Estate segment consists primarily of the sale of land holdings deemed non-strategic or identified as having higher and better use alternatives. The Real Estate segment engages in real estate subdivision and development activities through Potlatch TRS.

The reporting segments follow the same accounting policies used for our Consolidated Financial Statements, as described in the summary of principal accounting policies, with the exception of the valuation of inventories. All segment inventories are reported using the average cost method, while the LIFO reserve is recorded at the corporate level. Management evaluates a segment’s performance based upon profit or loss from operations before income taxes. Intersegment revenues are recorded based on prevailing market prices.

2014 FORM 10-K / 69

The following table presents business segment information for each of the past three years. Corporate information is included to reconcile segment data to the Consolidated Financial Statements.

(Dollars in thousands)	2014			2013			2012
Revenues:
Resource	$	252,581		$	238,228		$	207,846
Wood Products	376,239			366,015			329,404
Real Estate	40,460			26,160			38,238
	669,280			630,403			575,488
Elimination of intersegment revenues - Resource1	(62,330		)	(60,114		)	(50,354		)
Total consolidated revenues	$	606,950		$	570,289		$	525,134
Operating Income:
Resource	$	84,976		$	73,425		$	49,543
Wood Products	52,442			58,892			45,456
Real Estate	26,945			18,266			28,056
Eliminations and adjustments	(190		)	(907		)	(1,061		)
	164,173			149,676			121,994
Corporate	(31,667		)	(42,078		)	(37,052		)
Operating income	132,506			107,598			84,942
Interest expense, net	(22,909		)	(23,132		)	(25,539		)
Income before income taxes	$	109,597		$	84,466		$	59,403
Depreciation, depletion and amortization:
Resource	$	17,847		$	18,103		$	16,446
Wood Products	6,176			6,194			6,538
Real Estate	59			56			36
	24,082			24,353			23,020
Corporate	2,667			2,609			3,227
Total depreciation, depletion and amortization	$	26,749		$	26,962		$	26,247
Basis of real estate sold:
Real Estate	$	9,355		$	3,536		$	5,413
Elimination and adjustments	(709		)	(632		)	(365		)
Total basis of real estate sold	$	8,646		$	2,904		$	5,048
Assets:
Resource and Real Estate2	$	847,873		$	476,628		$	477,271
Wood Products	118,674			115,664			100,190
	966,547			592,292			577,461
Corporate	68,874			88,238			141,436
Total consolidated assets	$	1,035,421		$	680,530		$	718,897
Capital Expenditures:3
Resource and Real Estate	$	11,116		$	12,449		$	12,138
Wood Products	12,551			9,013			4,427
	23,667			21,462			16,565
Corporate	565			1,131			845
Total capital expenditures	$	24,232		$	22,593		$	17,410

¹   Intersegment revenues for 2012-2014, which were based on prevailing market prices, consisted of logs sold by our Resource segment to the Wood Products segment.

²  Assets are shown on a combined basis for the Resource and Real Estate segments, as we do not produce information separately for those segments for internal purposes.

³  Excludes acquisition of timber and timberlands.

70 / POTLATCH CORPORATION

All of our wood products facilities and all other assets are located within the continental United States. We sell and ship products to Canada and Mexico. Geographic information regarding our revenues is summarized as follows:

(Dollars in thousands)	2014		2013		2012
United States	$	601,738	$	558,138	$	516,466
Canada	2,618		9,645		5,180
Mexico	2,594		2,506		3,488
Total consolidated revenues	$	606,950	$	570,289	$	525,134

NOTE 17. FINANCIAL RESULTS BY QUARTER (UNAUDITED)

	THREE MONTHS ENDED
(Dollars in thousands, except per-share amounts)	MARCH 31				JUNE 30				SEPTEMBER 30				DECEMBER 31
	2014		2013		2014		2013		2014		2013		2014		2013
Revenues	$	139,579	$	139,253	$	143,919	$	133,212	$	177,215	$	157,869	$	146,237	$	139,955
Operating income	31,309		26,608		29,725		29,441		44,869		30,904		26,603		20,645
Net income	20,350		15,487		16,270		19,182		33,154		22,191		20,136		13,721
Net income per share1
Basic	$	0.50	$	0.38	$	0.40	$	0.47	$	0.81	$	0.55	$	0.49	$	0.34
Diluted	0.50		0.38		0.40		0.47		0.81		0.54		0.49		0.34

¹   Per-share amounts are computed independently for each of the quarters presented. Therefore, the sum of the quarterly per-share amounts may not equal the total computed for the year.

2014 FORM 10-K / 71

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors and Stockholders

Potlatch Corporation:

We have audited the accompanying consolidated balance sheets of Potlatch Corporation and subsidiaries as of December 31, 2014 and 2013, and the related consolidated statements of income, comprehensive income, cash flows, and stockholders’ equity for each of the years in the three‑year period ended December 31, 2014. These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these consolidated financial statements based on our audits.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of Potlatch Corporation and subsidiaries as of December 31, 2014 and 2013, and the results of their operations and their cash flows for each of the years in the three‑year period ended December 31, 2014, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), Potlatch Corporation’s internal control over financial reporting as of December 31, 2014, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO), and our report dated February 13, 2015 expressed an unqualified opinion on the effectiveness of the Company’s internal control over financial reporting.

/s/ KPMG LLP

Seattle, Washington

February 13, 2015

72 / POTLATCH CORPORATION

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors and Stockholders

Potlatch Corporation:

We have audited Potlatch Corporation’s internal control over financial reporting as of December 31, 2014, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). Potlatch Corporation’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Annual Report on Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

In our opinion, Potlatch Corporation maintained, in all material respects, effective internal control over financial reporting as of December 31, 2014, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO).

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated balance sheets of Potlatch Corporation and subsidiaries as of December 31, 2014 and 2013, and the related consolidated statements of income, comprehensive income, cash flows, and stockholders’ equity for each of the years in the three‑year period ended December 31, 2014, and our report dated February 13, 2015 expressed an unqualified opinion on those consolidated financial statements.

/s/ KPMG LLP

Seattle, Washington

February 13, 2015

2014 FORM 10-K / 73

POTLATCH CORPORATION AND CONSOLIDATED SUBSIDIARIES

Exhibit Index

EXHIBIT NUMBER	DESCRIPTION
(3)(a)*	Second Restated Certificate of Incorporation of the Registrant, effective February 3, 2006, filed as Exhibit 99.2 to the Current Report on Form 8-K filed by the Registrant on February 6, 2006.
(3)(b)*	Bylaws of the Registrant, as amended through February 18, 2009, filed as Exhibit (3)(b) to the Current Report on Form 8-K filed by the Registrant on February 20, 2009.
(4)	See Exhibits (3)(a) and (3)(b). The Registrant also undertakes to furnish to the Commission, upon request, any instrument defining the rights of holders of long-term debt.
(4)(a)*	Indenture, dated as of November 3, 2009, between the Registrant and U.S. Bank National Association, as trustee, filed as Exhibit 4.1 to the Current Report on Form 8-K filed by the Registrant on November 9, 2009.
(4)(a)(i)*	Form of 7 1/2% Senior Notes due 2019 (included as Exhibit A to the Indenture filed as Exhibit 4(a)).
(4)(a)(ii)*	Registration Rights Agreement, dated as of November 3, 2009, between the Registrant and the parties named therein, filed as Exhibit 4.1 to the Current Report on Form 8-K filed by the Registrant on November 9, 2009.
(4)(b)*	Indenture, dated as of December 18, 1995, between Potlatch Corporation, a Delaware corporation and the Registrant's former parent corporation (“Original Potlatch”) (on February 3, 2006, Original Potlatch merged with and into Potlatch Operating Company, a Delaware corporation and a wholly owned subsidiary of the Registrant, the Registrant then changed its name to “Potlatch Corporation” and became the new, publicly traded parent corporation) and U.S. Bank, National Association (as successor to First Trust of California, National Association), as trustee, executed in connection with the 6.95% Debentures due 2015, filed as Exhibit 4(b) to the Annual Report on Form 10-K filed February 15, 2013. (SEC File No. 001-32729)
(4)(b)(i)*	Form of 6.95% Debentures due 2015 (included as Exhibit 4(b)(i) to the Annual Report on Form 10-K) filed February 15, 2013. (SEC File No. 001-32729)
(4)(c)*	Indenture, dated as of November 27, 1990, between Original Potlatch and Deutsche Bank National Trust Company (successor in interest to Bankers Trust Company of California, National Association), as trustee, filed as Exhibit (4)(a) to the Original Potlatch Annual Report on Form 10-K for the fiscal year ended December 31, 2000. (SEC File No. 001-05313)
(4)(c)(i)*	Officer’s Certificate, dated January 24, 1991, filed as Exhibit (4)(a)(i) to the Original Potlatch Annual Report on Form 10-K for the fiscal year ended December 31, 2000. (SEC File No. 001-05313)
(4)(c)(ii)*	Officer’s Certificate, dated December 12, 1991, filed as Exhibit (4)(a)(i) to the Original Potlatch Annual Report on Form 10-K for the fiscal year ended December 31, 1996. (SEC File No. 001-05313)
(10)(a)1*	Potlatch Corporation Management Performance Award Plan, as amended effective December 2, 2004, filed as Exhibit (10)(a) to the Annual Report on Form 10-K filed by Original Potlatch for the fiscal year ended December 31, 2004. (SEC File No. 001-05313)

74 / POTLATCH CORPORATION

(10)(a)(i)1*	Amendment to Potlatch Corporation Management Performance Award Plan, filed as Exhibit 10.6 to the Current Report on Form 8-K filed by the Registrant on December 11, 2008.
(10)(b)1*	Potlatch Corporation Severance Program for Executive Employees, amended and restated effective February 14, 2014, filed as Exhibit (10)(b) to the Annual Report on Form 10-K for the fiscal year ended December 31, 2013.
(10)(c)1*	Potlatch Corporation Salaried Employees’ Supplemental Benefit Plan, as amended and restated effective January 1, 1989, and as amended through May 24, 2005, filed as Exhibit (10)(d) to the Quarterly Report on Form 10-Q filed by Original Potlatch for the quarter ended June 30, 2005.
(10)(c)(i)1*	Amendment, effective as of January 1, 1998, to Plan described in Exhibit (10)(d), filed as Exhibit (10)(d)(i) to the Annual Report on Form 10-K filed by Original Potlatch for the fiscal year ended December 31, 2003. (SEC File No. 001-5313)
(10)(c)(ii)1*	Amendment, effective as of December 5, 2008, to Plan described in Exhibit (10)(d), filed as Exhibit 10.5 to the Current Report on Form 8-K filed by the Registrant on December 11, 2008.
(10)(d)1*	Potlatch Corporation Deferred Compensation Plan for Directors, as amended through May 24, 2005, filed as Exhibit (10)(g) to the Quarterly Report on Form 10-Q filed by Original Potlatch for the quarter ended June 30, 2005.
(10)(e)1*	Potlatch Corporation Deferred Compensation Plan II for Directors, as amended and restated effective May 8, 2014, filed as Exhibit 10.2 to the Current Report on Form 8-K filed by the Registrant on May 13, 2014.
(10)(f)1*	Potlatch Corporation Benefits Protection Trust Agreement, amended and restated effective February 14, 2014, filed as Exhibit (10)(h) to the Annual Report on Form 10-K for the fiscal year ended December 31, 2013.
(10)(g)1*	Compensation of Outside Directors, effective as of January 1, 2008, filed as Exhibit (10)(i)(i) to the 2008 Form 10-K. (SEC File No. 001-32729)
(10)(h)1*	Summary of Director Compensation, effective as of May 8, 2014, filed as Exhibit 10.1 to the Current Report on Form 8-K filed by the Registrant on May 13, 2014.
(10)(i)1*	Form of Indemnification Agreement with each director of the Registrant and with each executive officer of the Registrant, filed as Exhibit 10.1 to the Current Report on Form 8-K filed by the Registrant on September 23, 2009.
(10)(j)1*	Potlatch Corporation 2005 Stock Incentive Plan, as amended and restated May 19, 2006, filed as Exhibit (10)(r) to the Quarterly Report on Form 10-Q filed by the Registrant for the quarter ended June 30, 2006, and as further amended and restated effective September 16, 2006, filed as Exhibit (10)(e) to the Current Report on Form 8-K filed by the Registrant on September 21, 2006.
(10)(j)(i)1*	Form of Restricted Stock Unit Agreement (2005 Stock Incentive Plan), as amended and restated May 19, 2006, to be used for restricted stock unit awards to be granted subsequent to May 19, 2006, filed as Exhibit (10)(r)(i) to the Quarterly Report on Form 10-Q filed by the Registrant for the quarter ended June 30, 2006.
(10)(j)(ii)1*	Form of Performance Share Agreement (2005 Stock Incentive Plan), as amended and restated May 19, 2006, to be used for performance share awards to be granted subsequent to May 19, 2006, filed as Exhibit (10)(r)(ii) to the Quarterly Report on Form 10-Q filed by the Registrant for the quarter ended June 30, 2006, and as further amended on January 17, 2007, filed as Exhibit (10)(r)(ii) to the Current Report on Form 8-K filed by the Registrant on January 19, 2007.

2014 FORM 10-K / 75

(10)(k)1*	Potlatch Corporation 2014 Stock Incentive Plan, filed as Exhibit 10.C to the Quarterly Report on Form 10-Q filed by the Registrant for the quarter ended June 30, 2014.
(10)(k)(i)1*	Form of 2014 Performance Share Award Notice and Agreement filed as Exhibit 10.1 to the Current Report on Form 8-K filed by the Registrant on May 9, 2014.
(10)(k)(ii)1*	Form of 2014 RSU Award Notice and Award Agreement filed as Exhibit 10.3 to the Current Report on Form 8-K filed by the Registrant on May 9, 2014.
(10)(l)(iv)1*	Potlatch Corporation Management Performance Award Plan II, as amended through February 20, 2008, filed as Exhibit (10)(r)(iv) to the Current Report on Form 8-K filed by the Registrant on February 26, 2008.
(10)(l)(v)1*	Amendment to Potlatch Corporation Management Performance Award Plan II, effective June 1, 2008, filed as Exhibit (10)(r)(v) to the Current Report on Form 8-K filed by the Registrant on May 21, 2008.
(10)(m)1*	Potlatch Corporation Salaried Supplemental Benefit Plan II, effective December 5, 2008, and amended and restated as of February 14, 2014, filed as Exhibit (10)(t) to the Annual Report on Form 10-K for the fiscal year ended December 31, 2013.
(10)(n)(i)1*	Potlatch Corporation Annual Incentive Plan, amended and restated effective January 1, 2014, filed as Exhibit (10)(w)(i) to the Annual Report on Form 10-K for the fiscal year ended December 31, 2013.
(10)(o)1*	Potlatch Corporation Management Deferred Compensation Plan, effective June 1, 2008, amended and restated on February 14, 2014, filed as Exhibit (10)(x) to the Annual Report on Form 10-K for the fiscal year ended December 31, 2013.
(10)(p) *	Amended and Restated Credit Agreement, dated as of August 12, 2014, among the Registrant and its wholly owned subsidiaries, as borrowers, KeyBank National Association, as administrative agent, swing line lender and L/C issuer, the Guarantors from time to time party thereto and the Lenders from time to time party thereto, filed as Exhibit 10.1 to the Current Report on Form 8-K filed by the Registrant on August 14, 2014.
(10)(q) *	Amended and Restated Term Loan Agreement, dated as of December 5, 2014, by and among the Registrant and Potlatch Forest Holdings, Inc., as borrowers, Northwest Farm Credit Services, PCA as administrative agent, the Guarantors from time to time party thereto and the Lenders from time to time party thereto, filed as Exhibit 10.1 to the Current Report on Form 8-K filed by the Registrant on December 9, 2014.
(10)(r) *	Purchase and Sale Agreement dated as of October 15, 2014 between Red Mountain Timberco I LLC, Red Mountain Timberco IV LLC, RMS Timberlands LLC and Springwood Timberlands LLC, and Potlatch Forest Holdings, Inc., as Purchaser filed as Exhibit 10.1 to the Current Report on Form 8-K filed October 20, 2014.
(12)	Computation of Ratio of Earnings to Fixed Charges.
(21)	Potlatch Corporation Subsidiaries.
(23)	Consent of Independent Registered Public Accounting Firm.
(24)	Powers of Attorney.

76 / POTLATCH CORPORATION

(31)	Rule 13a-14(a)/15d-14(a) Certifications.
(32)	Furnished statements of the Chief Executive Officer and Chief Financial Officer under 18 U.S.C. Section 1350.
101	The following financial information from Potlatch Corporation’s Annual Report on Form 10-K for the year ended December 31, 2014, filed on February 13, 2015, formatted in XBRL (Extensible Business Reporting Language): (i) the Consolidated Statements of Income for the years ended December 31, 2014, 2013 and 2012, (ii) the Consolidated Statements of Comprehensive Income for the years ended December 31, 2014, 2013 and 2012, (iii) the Consolidated Balance Sheets at December 31, 2014 and 2013, (iv) the Consolidated Statements of Cash Flows for the years ended December 31, 2014, 2013 and 2012, (v) the Consolidated Statements of Stockholders’ Equity for the years ended December 31, 2014, 2013 and 2012 and (vi) the Notes to Consolidated Financial Statements.

* Incorporated by reference.

¹  Management contract or compensatory plan, contract or arrangement.

2014 FORM 10-K / 77

EX-12

Exhibit (12)

POTLATCH CORPORATION

Computation of Ratio of Earnings to Fixed Charges

(In thousands)

	2014		2013		2012		2011		2010
Income from continuing operations before income taxes	$	109,597	$	84,466	$	59,403	$	44,411	$	44,871
Add:
Interest expense	21,834		21,885		23,727		25,216		26,070
Capitalized interest	86		—		—		—		—
Interest portion of rental expense	1,332		1,191		1,024		822		651
Discount and debt expense amortization	1,361		1,498		1,974		2,817		1,836
Earnings available for fixed charges	134,210		109,040		86,128		73,266		73,428
Fixed charges:
Interest expense	21,834		21,885		23,727		25,216		26,070
Capitalized interest	86		—		—		—		—
Interest portion of rental expense	1,332		1,191		1,024		822		651
Discount and debt expense amortization	1,361		1,498		1,974		2,817		1,836
Total fixed charges	24,613		24,574		26,725		28,855		28,557
Ratio of earnings to fixed charges	5.5		4.4		3.2		2.5		2.6

EX-21

Exhibit (21)

Subsidiaries of Potlatch Corporation

as of December 31, 2014⁽¹⁾

Name	State in Which Organized
PFHI Idaho Investment LLC	Delaware
PFPC McCall Investment LLC	Delaware
Potlatch Forest Holdings, Inc.	Delaware
Potlatch Land & Lumber, LLC	Delaware
Potlatch Timberlands LLC	Delaware
Potlatch Minnesota Timberlands, LLC	Delaware
Potlatch Lake States Timberlands, LLC	Delaware
Potlatch TRS Arkansas, LLC	Delaware
Potlatch TRS Idaho, LLC	Delaware
Potlatch TRS Minnesota, LLC	Delaware

⁽¹⁾ All of the subsidiaries in the above list are wholly owned, either directly or indirectly, by Potlatch Corporation.

EX-23

Exhibit (23)

Consent of Independent Registered Public Accounting Firm

The Board of Directors

Potlatch Corporation

We consent to the incorporation by reference in the registration statements (Nos. 333-17145, 333-42808, 33-54515, 333-28079, 333-74956, 333-12017, 333-42806, 333-130507, 33-30836, 333-156130, 333-156127, and 333-195960) on Form S-8, and registration statement (No. 333-191886) on Form S-3 of our reports dated February 13, 2015, with respect to the consolidated balance sheets of Potlatch Corporation as of December 31, 2014 and 2013, and the related consolidated statements of income, comprehensive income, cash flows and stockholders' equity for each of the years in the three-year period ended December 31, 2014, and the effectiveness of internal control over financial reporting as of December 31, 2014, which reports appear in the December 31, 2014 annual report on Form 10-K of Potlatch Corporation.

/s/ KPMG LLP

Seattle, Washington

February 13, 2015

EX-24

Exhibit (24)

POWER OF ATTORNEY

I, the undersigned, appoint Lorrie Scott or, in her absence or inability to act, Michael J. Covey or Jerald W. Richards, my attorney‑in‑fact for me and in my name, place and stead to execute for me on my behalf in my capacity as a Director of Potlatch Corporation, the Annual Report on Form 10-K of Potlatch Corporation for the fiscal year ended December 31, 2014 to be filed with the Securities and Exchange Commission under the Securities Exchange Act of 1934, and any and all amendments thereto, hereby ratifying, approving and confirming all that any such attorney‑in‑fact may do by virtue of this Power of Attorney.

IN WITNESS WHEREOF, I have executed this Power of Attorney as of February 13, 2015.

/S/ BOH A. DICKEY                                     DIRECTOR

POWER OF ATTORNEY

I, the undersigned, appoint Lorrie Scott or, in her absence or inability to act, Michael J. Covey or Jerald W. Richards, my attorney‑in‑fact for me and in my name, place and stead to execute for me on my behalf in my capacity as a Director of Potlatch Corporation, the Annual Report on Form 10-K of Potlatch Corporation for the fiscal year ended December 31, 2014 to be filed with the Securities and Exchange Commission under the Securities Exchange Act of 1934, and any and all amendments thereto, hereby ratifying, approving and confirming all that any such attorney‑in‑fact may do by virtue of this Power of Attorney.

IN WITNESS WHEREOF, I have executed this Power of Attorney as of February 13, 2015.

/S/ WILLIAM L. DRISCOLL                                     DIRECTOR

POWER OF ATTORNEY

I, the undersigned, appoint Lorrie Scott or, in her absence or inability to act, Michael J. Covey or Jerald W. Richards, my attorney‑in‑fact for me and in my name, place and stead to execute for me on my behalf in my capacity as a Director of Potlatch Corporation, the Annual Report on Form 10-K of Potlatch Corporation for the fiscal year ended December 31, 2014 to be filed with the Securities and Exchange Commission under the Securities Exchange Act of 1934, and any and all amendments thereto, hereby ratifying, approving and confirming all that any such attorney‑in‑fact may do by virtue of this Power of Attorney.

IN WITNESS WHEREOF, I have executed this Power of Attorney as of February 13, 2015.

/S/ CHARLES P. GRENIER                                     DIRECTOR

POWER OF ATTORNEY

I, the undersigned, appoint Lorrie Scott or, in her absence or inability to act, Michael J. Covey or Jerald W. Richards, my attorney‑in‑fact for me and in my name, place and stead to execute for me on my behalf in my capacity as a Director of Potlatch Corporation, the Annual Report on Form 10-K of Potlatch Corporation for the fiscal year ended December 31, 2014 to be filed with the Securities and Exchange Commission under the Securities Exchange Act of 1934, and any and all amendments thereto, hereby ratifying, approving and confirming all that any such attorney‑in‑fact may do by virtue of this Power of Attorney.

IN WITNESS WHEREOF, I have executed this Power of Attorney as of February 13, 2015.

/S/ JOHN S. MOODY

DIRECTOR

POWER OF ATTORNEY

I, the undersigned, appoint Lorrie Scott or, in her absence or inability to act, Michael J. Covey or Jerald W. Richards, my attorney‑in‑fact for me and in my name, place and stead to execute for me on my behalf in my capacity as a Director of Potlatch Corporation, the Annual Report on Form 10-K of Potlatch Corporation for the fiscal year ended December 31, 2014 to be filed with the Securities and Exchange Commission under the Securities Exchange Act of 1934, and any and all amendments thereto, hereby ratifying, approving and confirming all that any such attorney‑in‑fact may do by virtue of this Power of Attorney.

IN WITNESS WHEREOF, I have executed this Power of Attorney as of February 13, 2015.

/S/ LAWRENCE S. PEIROS

DIRECTOR

POWER OF ATTORNEY

I, the undersigned, appoint Lorrie Scott or, in her absence or inability to act, Michael J. Covey or Jerald W. Richards, my attorney‑in‑fact for me and in my name, place and stead to execute for me on my behalf in my capacity as a Director of Potlatch Corporation, the Annual Report on Form 10-K of Potlatch Corporation for the fiscal year ended December 31, 2014 to be filed with the Securities and Exchange Commission under the Securities Exchange Act of 1934, and any and all amendments thereto, hereby ratifying, approving and confirming all that any such attorney‑in‑fact may do by virtue of this Power of Attorney.

IN WITNESS WHEREOF, I have executed this Power of Attorney as of February 13, 2015.

/S/ GREGORY L. QUESNEL

DIRECTOR

EX-31

Exhibit (31)

CERTIFICATIONS

I, Michael J. Covey, certify that:

1.    I have reviewed this report on Form 10-K of Potlatch Corporation;

2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.    The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:            

a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)    Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)    Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)    Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.    The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)    All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)    Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	February 13, 2015	/S/    MICHAEL J. COVEY
		Michael J. Covey
		Chairman and Chief Executive Officer

CERTIFICATIONS

I, Jerald W. Richards, certify that:

1.    I have reviewed this report on Form 10-K of Potlatch Corporation;

2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.    The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)    Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)    Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)    Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.    The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)    All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)    Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	February 13, 2015	/S/    JERALD W. RICHARDS
		Jerald W. Richards
		Vice President and Chief Financial Officer

EX-32

Exhibit (32)

STATEMENT OF CHIEF EXECUTIVE OFFICER UNDER 18 U.S.C. § 1350

I, Michael J. Covey, Chief Executive Officer of Potlatch Corporation (the “Company”), certify pursuant to section 1350 of Chapter 63 of Title 18 of the United States Code that, to my knowledge:

(1) the Annual Report of the Company on Form 10-K for the period ended December 31, 2014, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ MICHAEL J. COVEY

Michael J. Covey

Chairman and Chief Executive Officer

February 13, 2015

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

STATEMENT OF CHIEF FINANCIAL OFFICER UNDER 18 U.S.C. § 1350

I, Jerald W. Richards, Vice President and Chief Financial Officer of Potlatch Corporation (the “Company”), certify pursuant to section 1350 of Chapter 63 of Title 18 of the United States Code that, to my knowledge:

(1) the Annual Report of the Company on Form 10-K for the period ended December 31, 2014, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ JERALD W. RICHARDS

Jerald W. Richards

Vice President and Chief Financial Officer

February 13, 2015

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

As of December 31, 2014, the future minimum rental payments required under our operating leases are as follows:

(Dollars in thousands)
2015	$	4,211
2016	3,148
2017	1,904
2018	1,123
2019	452
2020 and thereafter	1,355
Total	$	12,193

Schedule of Environmental Loss Contingencies by Site

The following table details our Avery Landing environmental remediation reserve balance for the years ended December 31:

(Dollars in thousands)	2014		2013
Beginning reserve balance	$	—	$	4,250
Environmental remediation charge	—		3,522
Cash payments	—		(7,772		)
Ending reserve balance	$	—	$	—

XML

Income Taxes (Schedule of Deferrred Income Tax Asset (Liability) Classification (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Current deferred tax assets	$ 6,168	$ 7,724
Noncurrent deferred tax assets	37,228	21,576
Net deferred tax assets	$ 43,396	$ 29,300

XML

Timber and Timberlands (Narrative) (Details) (USD $)	0 Months Ended
	Dec. 07, 2014 acre	Dec. 31, 2014	Dec. 31, 2013	Dec. 05, 2014	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Long-term Debt, Gross		$ 629,343,000	$ 320,092,000
Payments under timber cutting contracts, due in 2015		2,000,000
Payments under timber cutting contracts, due in 2016		2,600,000
Payments under timber cutting contracts, due in 2017		7,300,000
Payments under timber cutting contracts, due in 2018		2,500,000
Alabama and Mississippi [Member]
Property, Plant and Equipment [Line Items]
Acres aquired through timberland purchase	201,000
Payments to Acquire and Develop Real Estate	384,000,000
Term Loans [Member]
Property, Plant and Equipment [Line Items]
Long-term Debt, Gross		322,000,000	12,000,000	322,000,000	12,000,000
Term Loans [Member] | Alabama and Mississippi [Member]
Property, Plant and Equipment [Line Items]
Long-term Debt, Gross	$ 310,000,000			$ 310,000,000

XML

Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Summary of Changes in the Fair Value of the Plans' Level 3 Assest) (Details) (Hedge Funds [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Hedge Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset balance	$ 0	$ 10,579	$ 45,693
Sales and settlements	(10,579)	(34,500)
Unrealized gain (losses) relating to assets still held at the reporting date	$ 0	$ (614)

XML

Debt (Schedule of Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 05, 2014	Dec. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Long-term debt, Including current installments on long-term debt	$ 629,343		$ 320,092
Debt Instrument, Face Amount	630,085		320,085
Debt Instrument, Unamortized Discount	(1,535)		(1,823)
Less current installments on long-term debt	(22,870)		0
Long-term debt	606,473		320,092
Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024
Debt Instrument [Line Items]
Long-term debt, Including current installments on long-term debt	322,000	322,000	12,000	12,000
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum	4.64%
Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024 | Minimum [Member]
Debt Instrument [Line Items]
Interest Rate	1.88%
Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024 | Maximum [Member]
Debt Instrument [Line Items]
Interest Rate	2.13%
Senior Notes, 7.50%, due 2019
Debt Instrument [Line Items]
Long-term debt, Including current installments on long-term debt	150,000		150,000
Interest Rate	7.50%
Revenue bonds, 5.90% to 6.95%, due 2024 and 2026
Debt Instrument [Line Items]
Long-term debt, Including current installments on long-term debt	108,335		108,335
Revenue bonds, 5.90% to 6.95%, due 2024 and 2026 | Minimum [Member]
Debt Instrument [Line Items]
Interest Rate	5.90%
Revenue bonds, 5.90% to 6.95%, due 2024 and 2026 | Maximum [Member]
Debt Instrument [Line Items]
Interest Rate	6.95%
Debentures, 6.95%, due 2015
Debt Instrument [Line Items]
Long-term debt, Including current installments on long-term debt	22,500		22,500
Interest Rate	6.95%
Medium-term notes, 8.75% to 8.89%, due 2016 through 2022
Debt Instrument [Line Items]
Long-term debt, Including current installments on long-term debt	27,250		27,250
Medium-term notes, 8.75% to 8.89%, due 2016 through 2022 | Minimum [Member]
Debt Instrument [Line Items]
Interest Rate	8.75%
Medium-term notes, 8.75% to 8.89%, due 2016 through 2022 | Maximum [Member]
Debt Instrument [Line Items]
Interest Rate	8.89%
Interest rate swaps
Debt Instrument [Line Items]
Long-term debt, Including current installments on long-term debt	$ 793		$ 1,830
Debt Instrument, Redemption, Period One [Member] | Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024
Debt Instrument [Line Items]
Interest Rate				2.95%

XML

Commitments and Contingencies (Future Minimum Rental Payments) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract]
2015	$ 4,211,000
2016	3,148,000
2017	1,904,000
2018	1,123,000
2019	452,000
2020 and thereafter	1,355,000
Total	12,193,000
Rent Expense	$ 4,000,000	$ 3,600,000	$ 3,100,000

XML

Property, Plant and Equipment (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Land and land improvements	$ 18,374,000	$ 17,201,000
Buildings and structures	36,174,000	33,985,000
Machinery and equipment	176,085,000	171,385,000
Construction in progress	5,878,000	1,225,000
Property, Plant and Equipment, Gross	236,511,000	223,796,000
Less: accumulated depreciation	(170,762,000)	(163,820,000)
Property, Plant and Equipment, Net	65,749,000	59,976,000
Depreciation	$ 8,100,000	$ 8,200,000	$ 8,800,000

XML

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of the Income Tax Provision Allocated to Continuing Operations

Income tax expense consists of the following for the years ended December31:

(Dollars in thousands)	2014			2013			2012
Current	$	21,205		$	16,352		$	292
Deferred	(2,143		)	(2,754		)	8,197
Net operating loss carryforwards	625			287			8,320
Income taxes	$	19,687		$	13,885		$	16,809

Schedule of Effective Income Tax Rate Reconciliation

Income tax expense differs from the amount computed by applying the statutory federal income tax rate of 35% to income before income taxes due to the following for the years ended December 31:

(Dollars in thousands)	2014			2013			2012
U.S. federal statutory income tax	$	38,359		$	29,563		$	20,791
REIT income not subject to federal income tax	(16,812		)	(13,918		)	(5,241		)
Change in valuation allowance	(1,818		)	(683		)	—
State income taxes, net of federal income tax	2,234			942			1,615
Domestic production activities deduction	(1,055		)	(1,579		)	—
Permanent book-tax differences	(1,073		)	(384		)	(413		)
All other items	(148		)	(56		)	57
Income taxes	$	19,687		$	13,885		$	16,809
Effective tax rate	18.0		%	16.4		%	28.3		%

Schedule of Deferred Tax Assets and Liabilities

The tax effects of significant temporary differences creating deferred tax assets and liabilities at December 31 were:

(Dollars in thousands)	2014			2013
Deferred tax assets:
Pensions	$	31,527		$	16,807
Postretirement employee benefits	16,209			18,464
Inventories	2,720			2,636
Incentive compensation	2,544			2,807
Nondeductible accruals	2,033			2,405
Tax credits	1,904			2,135
Employee benefits	1,839			1,586
Net operating loss carryforwards	142			1,056
Other	224			200
Total deferred tax assets	59,142			48,096
Valuation allowance	—			(2,184		)
Deferred tax assets, net of valuation allowance	59,142			45,912
Deferred tax liabilities:
Timber and timberlands	(5,120		)	(5,871		)
Property, plant and equipment	(10,626		)	(10,741		)
Total deferred tax liabilities	(15,746		)	(16,612		)
Net deferred tax assets	$	43,396		$	29,300

Net deferred tax assets and liabilities consist of:

(Dollars in thousands)	2014		2013
Current deferred tax assets	$	6,168	$	7,724
Noncurrent deferred tax assets	37,228		21,576
Net deferred tax assets	$	43,396	$	29,300

Summary of Tax Years Subject to Examination by Major Taxing Jurisdictions

The following table summarizes the tax years subject to examination by major taxing jurisdictions:

Jurisdiction	Years
Federal	2011	-	2014
Arkansas	2011	-	2014
Michigan	2010	-	2014
Minnesota	2010	-	2014
Idaho	2011	-	2014

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Commitments and Contingencies (Environmental) (Details) (USD $)	3 Months Ended			12 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Site Contingency [Line Items]
Loss Contingency Accrual, Carrying Value, Payments	$ 1,000,000	$ 1,750,000	$ 750,000		$ 1,750,000
Accrual, Present Value				0	0	4,250,000
Environmental remediation charges				0	3,522,000	0
Cash Payments				$ 0	$ (7,772,000)

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Savings Plans, Pension Plans and Other Postretirement Employee Benefits Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Amounts Recognized in AOCI on Consolidated Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net amount recognized	$ (118,392)	$ (98,720)
Pension Plans, Defined Benefit [Member]
Net Loss	134,717	115,404
Prior Service Cost (Credit)	(456)	1,763
Net amount recognized	134,261	117,167	161,667	158,883
Other Postretirement Benefit Plans, Defined Benefit [Member]
Net Loss	(21,750)	16,490
Prior Service Cost (Credit)	5,881	(34,937)
Net amount recognized	$ (15,869)	$ (18,447)	$ (20,769)	$ (18,001)

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Debt (Additional Details) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012 Acquisiton	Dec. 05, 2014	Dec. 07, 2014
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 629,343,000	$ 320,092,000
Timberland Acquisitions			2
Number of Tranches Included in Term Loan	6		2
Term Loan Tranche			6,000,000
Long-term Debt, Maturities, Repayments of Principal in Year Five	190,000,000
Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024
Debt Instrument [Line Items]
Long-term Debt, Gross	322,000,000	12,000,000	12,000,000	322,000,000
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum	4.29%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum	4.64%
Long-term Debt, Maturities, Repayments of Principal in Year Five	40,000,000
Long Term Debt Maturities Repayment of Principal in Year Six	40,000,000
Long Term Debt Maturities Repayment of Principal in Year Seven	40,000,000
Long Term Debt Maturities Repayment of Principal in Year Eight	40,000,000
Long Term Debt Maturities Repayment of Principal in Year Nine	40,000,000
Long-Term Debt, Maturities, Repayments of Principal In Year Ten	110,000,000
Revenue bonds, 5.90% to 7.75%, due 2024 and 2026 [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	108,335,000	108,335,000
Senior Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	150,000,000	150,000,000
Interest Rate	7.50%
Minimum [Member] | Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024
Debt Instrument [Line Items]
Interest Rate	1.88%
Minimum [Member] | Revenue bonds, 5.90% to 7.75%, due 2024 and 2026 [Member]
Debt Instrument [Line Items]
Interest Rate	5.90%
Maximum [Member] | Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024
Debt Instrument [Line Items]
Interest Rate	2.13%
Maximum [Member] | Revenue bonds, 5.90% to 7.75%, due 2024 and 2026 [Member]
Debt Instrument [Line Items]
Interest Rate	6.95%
LIBOR [Member] | Minimum [Member] | Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.65%
LIBOR [Member] | Maximum [Member] | Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.90%
Debt Instrument, Redemption, Period One [Member] | Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024
Debt Instrument [Line Items]
Interest Rate			2.95%
Debt Instrument, Redemption, Period Two [Member] | Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024
Debt Instrument [Line Items]
Interest Rate			3.70%
Alabama and Mississippi [Member] | Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024
Debt Instrument [Line Items]
Long-term Debt, Gross				$ 310,000,000	$ 310,000,000

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Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Weighted Average Assumptions used to Determne the Net Periodic Benefit (Cost)) (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Other Postretirement Benefit Plans, Defined Benefit [Member]
Discount Rate	4.45%	3.70%	4.85%
Expected return on plan assets	0.00%	0.00%	0.00%
Rate of salaried compensation increase	0.00%	0.00%	0.00%
Pension Plans, Defined Benefit [Member]
Discount Rate	5.10%	4.15%	4.95%
Expected return on plan assets	7.50%	8.00%	8.00%
Rate of salaried compensation increase	3.00%	3.50%	3.50%

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Segment Information Segment Information (Schedule of Revenue by Geographic Area) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues	$ 146,237	$ 177,215	$ 143,919	$ 139,579	$ 139,955	$ 157,869	$ 133,212	$ 139,253	$ 606,950	$ 570,289	$ 525,134
United States
Revenues									601,738	558,138	516,466
Canada
Revenues									2,618	9,645	5,180
Mexico
Revenues									$ 2,594	$ 2,506	$ 3,488

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Equity-Based Compensation Plans (Details Of Compensation Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee equity-based compensation expense	$ 4,137	$ 4,377	$ 4,067
Director deferred compensation expense (income)	345	1,265	2,008
Actual tax benefit realized for tax deductions from equity-based plans	280	71	525
Performance shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee equity-based compensation expense	3,515	3,635	3,440
Restricted stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee equity-based compensation expense	$ 622	$ 742	$ 627

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Financial Results by Quarter Financial Results by Quarter (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014		Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Financial Data [Abstract]
Revenues	$ 146,237		$ 177,215		$ 143,919		$ 139,579		$ 139,955		$ 157,869		$ 133,212		$ 139,253		$ 606,950	$ 570,289	$ 525,134
Operating Income	26,603		44,869		29,725		31,309		20,645		30,904		29,441		26,608		132,506	107,598	84,942
Net income (loss)	$ 20,136		$ 33,154		$ 16,270		$ 20,350		$ 13,721		$ 22,191		$ 19,182		$ 15,487		$ 89,910	$ 70,581	$ 42,594
Basic (in dollars per share)	$ 0.49	[1]	$ 0.81	[1]	$ 0.40	[1]	$ 0.50	[1]	$ 0.34	[1]	$ 0.55	[1]	$ 0.47	[1]	$ 0.38	[1]	$ 2.21	$ 1.74	$ 1.06
Diluted (in dollars per share)	$ 0.49	[1]	$ 0.81	[1]	$ 0.40	[1]	$ 0.50	[1]	$ 0.34	[1]	$ 0.54	[1]	$ 0.47	[1]	$ 0.38	[1]	$ 2.20	$ 1.73	$ 1.05

[1] 1 Per-share amounts are computed independently for each of the quarters presented. Therefore, the sum of the quarterly per-share amounts may not equal the total computed for the year.

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Savings Plans, Pension Plans and Other Postretirement Employee Benefits (One Percent Point Change in Health Care Cost Trend Rate Effect) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Savings Plans, Pension Plans and Other Postretirement Employee Benefits [Abstract]
Effect on total service and interest cost components, 1% increase	$ 5
Effect on total service and interest cost components, 1% decrease	(5)
Effect on OPEB obligations, 1% increase	112
Effect on OPEB obligations, 1% decrease	$ (112)

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Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Pre-Tax Components Of Net Periodic Cost (Benefit)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 5,081	$ 5,318	$ 5,238
Interest cost	19,184	17,826	19,986
Expected return on plan assets	(24,512)	(26,092)	(28,755)
Curtailment credit	0	0	0
Amortization of prior service cost (credit)	748	779	770
Amortization of actuarial loss	14,451	19,929	15,356
Net periodic cost (benefit)	14,952	17,760	12,595
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	25	94	284
Interest cost	1,741	1,810	2,478
Expected return on plan assets	0	0	0
Curtailment credit	0	0	(103)
Amortization of prior service cost (credit)	(9,641)	(9,708)	(9,343)
Amortization of actuarial loss	2,186	3,209	3,127
Net periodic cost (benefit)	$ (5,689)	$ (4,595)	$ (3,557)

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Segment Information

12 Months Ended

Dec. 31, 2014

Segment Reporting Information, Additional Information [Abstract]

Segment Information

SEGMENT INFORMATION

Our businesses are organized into three reportable operating segments: Resource, Wood Products and Real Estate. The Resource segment manages our timberlands to optimize revenue producing opportunities while adhering to our strict stewardship standards. Management activities include planting and harvesting trees and building and maintaining roads. The Resource segment also generates revenues from non-timber resources such as hunting leases, recreation permits and leases, mineral rights leases, biomass production, carbon sequestration and other leasing opportunities. The Wood Products segment manufactures and markets lumber and plywood. The business of our Real Estate segment consists primarily of the sale of land holdings deemed non-strategic or identified as having higher and better use alternatives. The Real Estate segment engages in real estate subdivision and development activities through Potlatch TRS.

The reporting segments follow the same accounting policies used for our Consolidated Financial Statements, as described in the summary of principal accounting policies, with the exception of the valuation of inventories. All segment inventories are reported using the average cost method, while the LIFO reserve is recorded at the corporate level. Management evaluates a segment’s performance based upon profit or loss from operations before income taxes. Intersegment revenues are recorded based on prevailing market prices.

The following table presents business segment information for each of the past three years. Corporate information is included to reconcile segment data to the Consolidated Financial Statements.

(Dollars in thousands)	2014			2013			2012
Revenues:
Resource	$	252,581		$	238,228		$	207,846
Wood Products	376,239			366,015			329,404
Real Estate	40,460			26,160			38,238
	669,280			630,403			575,488
Elimination of intersegment revenues - Resource1	(62,330		)	(60,114		)	(50,354		)
Total consolidated revenues	$	606,950		$	570,289		$	525,134
Operating Income:
Resource	$	84,976		$	73,425		$	49,543
Wood Products	52,442			58,892			45,456
Real Estate	26,945			18,266			28,056
Eliminations and adjustments	(190		)	(907		)	(1,061		)
	164,173			149,676			121,994
Corporate	(31,667		)	(42,078		)	(37,052		)
Operating income	132,506			107,598			84,942
Interest expense, net	(22,909		)	(23,132		)	(25,539		)
Income before income taxes	$	109,597		$	84,466		$	59,403
Depreciation, depletion and amortization:
Resource	$	17,847		$	18,103		$	16,446
Wood Products	6,176			6,194			6,538
Real Estate	59			56			36
	24,082			24,353			23,020
Corporate	2,667			2,609			3,227
Total depreciation, depletion and amortization	$	26,749		$	26,962		$	26,247
Basis of real estate sold:
Real Estate	$	9,355		$	3,536		$	5,413
Elimination and adjustments	(709		)	(632		)	(365		)
Total basis of real estate sold	$	8,646		$	2,904		$	5,048
Assets:
Resource and Real Estate2	$	847,873		$	476,628		$	477,271
Wood Products	118,674			115,664			100,190
	966,547			592,292			577,461
Corporate	68,874			88,238			141,436
Total consolidated assets	$	1,035,421		$	680,530		$	718,897
Capital Expenditures:3
Resource and Real Estate	$	11,116		$	12,449		$	12,138
Wood Products	12,551			9,013			4,427
	23,667			21,462			16,565
Corporate	565			1,131			845
Total capital expenditures	$	24,232		$	22,593		$	17,410

¹   Intersegment revenues for 2012-2014, which were based on prevailing market prices, consisted of logs sold by our Resource segment to the Wood Products segment.

²  Assets are shown on a combined basis for the Resource and Real Estate segments, as we do not produce information separately for those segments for internal purposes.

³  Excludes acquisition of timber and timberlands.

All of our wood products facilities and all other assets are located within the continental United States. We sell and ship products to Canada and Mexico. Geographic information regarding our revenues is summarized as follows:

(Dollars in thousands)	2014		2013		2012
United States	$	601,738	$	558,138	$	516,466
Canada	2,618		9,645		5,180
Mexico	2,594		2,506		3,488
Total consolidated revenues	$	606,950	$	570,289	$	525,134

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Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Corporate taxation of built-in gains, subjection term	10 years
Recognition period before January 1, 2011 modified by the Small Business Jobs Act of 2010	5 years
Reduced holding period for sales modified by the American Taxpayer Relief Act of 2012	5 years
Statutory Federal Income Tax Rate	35.00%
Valuation allowance	$ 0	$ 2,184,000
Change in Valuation Allowance	1,800,000
Operating Loss Carryforwards	3,400,000
Idaho Investment Tax Credits	$ 2,900,000

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Financial Resutls by Quarter (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Information

	THREE MONTHS ENDED
(Dollars in thousands, except per-share amounts)	MARCH 31				JUNE 30				SEPTEMBER 30				DECEMBER 31
	2014		2013		2014		2013		2014		2013		2014		2013
Revenues	$	139,579	$	139,253	$	143,919	$	133,212	$	177,215	$	157,869	$	146,237	$	139,955
Operating income	31,309		26,608		29,725		29,441		44,869		30,904		26,603		20,645
Net income	20,350		15,487		16,270		19,182		33,154		22,191		20,136		13,721
Net income per share1
Basic	$	0.50	$	0.38	$	0.40	$	0.47	$	0.81	$	0.55	$	0.49	$	0.34
Diluted	0.50		0.38		0.40		0.47		0.81		0.54		0.49		0.34

¹   Per-share amounts are computed independently for each of the quarters presented. Therefore, the sum of the quarterly per-share amounts may not equal the total computed for the year.

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Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Weighted Average Assumptions Used to Determine the Benefit Obligation) (Details)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Other Postretirement Benefit Plans, Defined Benefit [Member]
Discount Rate	3.90%	4.45%	3.70%
Rate of salaried compensation increase	0.00%	0.00%	0.00%
Pension Plans, Defined Benefit [Member]
Discount Rate	4.25%	5.10%	4.15%
Rate of salaried compensation increase	3.00%	3.00%	3.50%

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Financial Instruments and Concentration of Risk (Tables)

12 Months Ended

Dec. 31, 2014

Derivative Instrument Detail [Abstract]

Estimated Fair Value of Financial Instruments

Estimated fair values of our financial instruments as of December 31 are as follows:

	2014				2013
(Dollars in thousands)	CARRYING AMOUNT		FAIR VALUE		CARRYING AMOUNT		FAIR VALUE
Cash and short-term investments (Level 1)	$	31,012	$	31,012	$	57,837	$	57,837
Net derivative asset related to interest rate swaps (Level 2)	793		793		1,830		1,830
Long-term debt (including current portion of long-term debt and fair value adjustments related to fair value swaps) (Level 2)	629,343		657,943		320,092		347,869
Company owned life insurance (COLI) (Level 3)	877		877		3,110		3,110

Fair Values of Derivative Instruments

The fair values of derivative instruments on our Consolidated Balance Sheets as of December 31 are as follows:

	DERIVATIVE ASSETS
		2014		2013
(Dollars in thousands)	BALANCE SHEET LOCATION	FAIR VALUE		FAIR VALUE
Derivatives designated as hedging instruments:
Interest rate contracts	Other noncurrent assets	$	793	$	1,830
Total derivatives designated as hedging instruments		$	793	$	1,830

Effect of Derivatives on the Consolidated Statements of Operations

The effect of derivatives on the Consolidated Statements of Income for the years ended December 31, 2014, 2013 and 2012 are as follows:

	LOCATION OF GAIN (LOSS) RECOGNIZED  IN INCOME	AMOUNT OF GAIN (LOSS) RECOGNIZED IN INCOME
(Dollars in thousands)		2014		2013		2012
Derivatives designated in fair value hedging relationships:
Interest rate contracts
Realized gain on hedging instrument1	Interest expense	$	979	$	960	$	868
Net gain recognized in income from fair value hedges		$	979	$	960	$	868
Derivatives not designated as hedging instruments:
Lumber contracts
Unrealized loss on derivative	Cost of goods sold	$	—	$	—	$	(480	)
Realized loss on derivative	Cost of goods sold	—		—		(396		)
Net loss recognized in income from derivatives not designated as hedging instruments		$	—	$	—	$	(876	)

¹  Realized gain on hedging instrument consists of net cash settlements and interest accruals on the interest rate swaps during the period.

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Income Taxes (Schedule of Reconciliation of Income Tax Provision (Benefit)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
U.S. federal statutory income tax	$ 38,359	$ 29,563	$ 20,791
REIT income not subject to federal income tax	(16,812)	(13,918)	(5,241)
Change in valuation allowance	(1,818)	(683)	0
State income taxes, net of federal income tax	2,234	942	1,615
Domestic production activities deduction	(1,055)	(1,579)	0
Permanent Book-Tax Differences	(1,073)	(384)	(413)
All other items	(148)	(56)	57
Income taxes	$ 19,687	$ 13,885	$ 16,809
Effective tax rate	18.00%	16.40%	28.30%

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Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Long-Term Asset Allocation Ranges) (Details)	12 Months Ended
	Dec. 31, 2014
Maximum [Member]
Domestic and International Equities	48.00%
Fixed income securities	58.00%
Alternatives	18.00%
Cash	5.00%
Minimum [Member]
Domestic and International Equities	24.00%
Fixed income securities	38.00%
Alternatives	12.00%
Cash	0.00%

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Financial Instruments and Concentration of Risk (Estimated Fair Values of Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and short-term investments, Carrying Amount	$ 31,012	$ 57,837
Cash and short-term investments, Fair Value	31,012	57,837
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt (including current installments on lont-term debt and fair value adjustments related to fair value swaps), Carrying Amount	629,343	320,092
Long-term debt (including current installments on lont-term debt and fair value adjustments related to fair value swaps), Fair Value	657,943	347,869
Level 2 [Member] | Interest rate contracts [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net derivative asset related to interest rate swaps, Carrying Amount	793	1,830
Net derivative asset related to interest rate swaps, Fair Value	793	1,830
Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Company owned life insurance (COLI)	877	3,110
Company owned life insurance (COLI), fair value	$ 877	$ 3,110

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Timber and Timberlands (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Timber and Timberlands [Line Items]
Timber and timberlands	$ 760,431,000	$ 391,916,000
Logging roads	67,989,000	63,955,000
Timber and Timberlands, Net	828,420,000	455,871,000
Amortization of Logging Roads	2,800,000	2,700,000	2,600,000
Depletion from Company Owned Lands	$ 14,500,000	$ 14,600,000	$ 12,900,000

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Consolidated Statements of Stockholders' Equity (Parenthetical) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Common distributions, per share	$ 1.425	$ 1.28	$ 1.24

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Financial Instruments and Concentration of Risk (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Debentures	$ 630,085,000	$ 320,085,000
Concentration Risk, Customer	1	1
Concentration Risk, Percentage	10.00%	10.00%
Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Number of interest rate swap agreements	7
Notional amounts	96,750,000
Debentures	22,500,000
Medium-term notes	24,250,000
Senior Notes	$ 50,000,000
Swaps fixed interest rate, minimum	6.95%
Swaps fixed interest rate, maximum	8.89%
LIBOR variable interest rate, minimum	4.738%
LIBOR variable interest rate, maximum	6.518%

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Summary of Principal Accounting Policies Summary of Principal Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2014 acre
Principle Accounting Policies [Line Items]
Timber And Timberlands Acres Owned	1,600,000
Buildings and Structures Useful Life Minimum	30 years 0 months 0 days
Buildings and Structures Useful Life Maximum	40 years 0 months 0 days
Equipment Useful Life Minimum	2 years 0 months 0 days
Equipment Useful Life Maximum	25 years 0 months 0 days
Bridges, Culverts and Gravel Surfacing Useful Life Minimum	5 years 0 months 0 days
Bridges, Culverts and Gravel Surfacing Useful Life Maximum	20 years 0 months 0 days
Northern United States [Member]
Principle Accounting Policies [Line Items]
Historic Average Annual Growth Rate for Merchantable Inventory Range, Minimum	2.00%
Historic Average Annual Growth Rate for Mechantable Inventory Range, Maximum	5.00%
Southern United States [Member]
Principle Accounting Policies [Line Items]
Historic Average Annual Growth Rate for Merchantable Inventory Range, Minimum	6.00%
Historic Average Annual Growth Rate for Mechantable Inventory Range, Maximum	9.00%

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Inventories Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Schedule of inventory

(Dollars in thousands)	2014		2013
Logs	$	7,930	$	14,975
Lumber and other manufactured wood products	17,286		15,967
Materials and supplies	6,274		5,333
	$	31,490	$	36,275
Valued at lower of cost or market:
Last-in, first-out basis	$	16,874	$	23,250
Average cost basis	14,616		13,025
Total inventories	$	31,490	$	36,275

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Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share, Basic, Other Disclosures [Abstract]

Reconciliation of Number of Common Shares Used in Calculating Basic and Diluted EPS

The following table reconciles the number of shares used in calculating the basic and diluted earnings per share for the years ended December 31:

(Dollars in thousands, except per-share amounts)	2014		2013		2012
Net income	$	89,910	$	70,581	$	42,594
Basic weighted-average shares outstanding	40,748,924		40,502,878		40,333,333
Incremental shares due to:
Performance shares	117,830		133,766		134,079
Restricted stock units	27,628		69,076		70,217
Stock options	—		3,567		15,520
Diluted weighted-average shares outstanding	40,894,382		40,709,287		40,553,149
Basic net income per share	$	2.21	$	1.74	$	1.06
Diluted net income per share	$	2.20	$	1.73	$	1.05
Anti-dilutive shares excluded from the calculation:
Performance shares	—		3,441		—
Restricted stock units	1,216		—		315
Total anti-dilutive shares excluded from the calculation	1,216		3,441		315

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Debt (Line of Credit) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014
Line of Credit Facility [Line Items]
Amout Available to Increase Borrowing Capacity	$ 250,000,000
Remaining Borrowing Capacity	248,600,000
Line of Credit [Member]
Line of Credit Facility [Line Items]
Maximum Borrowing Capacity	250,000,000
Line of Credit Facility, Amount Outstanding	0
Additional Applicable Rate Added to Base Rate, Minimum	1.30%
Additional Applicable Rate Added to Base Rate, At End of Period	0.30%
Unused Capacity, Commitment Fee Percentage	0.20%
Letter of Credit [Member]
Line of Credit Facility [Line Items]
Maximum Borrowing Capacity	40,000,000
Line of Credit Facility, Amount Outstanding	1,400,000
Swing Line Loan [Member]
Line of Credit Facility [Line Items]
Maximum Borrowing Capacity	$ 25,000,000
Minimum [Member] | Eurodollar [Member]
Line of Credit Facility [Line Items]
Interest Rate	0.875%
Minimum [Member] | Base Rate [Member]
Line of Credit Facility [Line Items]
Interest Rate	0.00%
Maximum [Member] | Eurodollar [Member]
Line of Credit Facility [Line Items]
Interest Rate	1.70%
Maximum [Member] | Base Rate [Member]
Line of Credit Facility [Line Items]
Interest Rate	0.70%

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Earnings per Share (Reconciliation Of Number Of Common Shares Used In Calculating Basic And Diluted EPS) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014		Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Earnings per Share [Line Items]
Net income	$ 20,136		$ 33,154		$ 16,270		$ 20,350		$ 13,721		$ 22,191		$ 19,182		$ 15,487		$ 89,910	$ 70,581	$ 42,594
Basic weighted-average shares outstanding (in shares)																	40,748,924	40,502,878	40,333,333
Diluted weighted-average shares outstanding (in shares)																	40,894,382	40,709,287	40,553,149
Basic net income per share (in dollars per share)	$ 0.49	[1]	$ 0.81	[1]	$ 0.40	[1]	$ 0.50	[1]	$ 0.34	[1]	$ 0.55	[1]	$ 0.47	[1]	$ 0.38	[1]	$ 2.21	$ 1.74	$ 1.06
Diluted net income per share (in dollars per share)	$ 0.49	[1]	$ 0.81	[1]	$ 0.40	[1]	$ 0.50	[1]	$ 0.34	[1]	$ 0.54	[1]	$ 0.47	[1]	$ 0.38	[1]	$ 2.20	$ 1.73	$ 1.05
Anti-dilutive shares excluded from the calculation (in shares)																	1,216	3,441	315
Performance Shares [Member]
Earnings per Share [Line Items]
Incremental shares (in shares)																	117,830	133,766	134,079
Anti-dilutive shares excluded from the calculation (in shares)																	0	3,441	0
Restricted Stock Units (RSUs) [Member]
Earnings per Share [Line Items]
Incremental shares (in shares)																	27,628	69,076	70,217
Anti-dilutive shares excluded from the calculation (in shares)																	1,216	0	315
Stock Options [Member]
Earnings per Share [Line Items]
Incremental shares (in shares)																	0	3,567	15,520

[1] 1 Per-share amounts are computed independently for each of the quarters presented. Therefore, the sum of the quarterly per-share amounts may not equal the total computed for the year.

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Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

(Dollars in thousands)	2014			2013
Land and land improvements	$	18,374		$	17,201
Buildings and structures	36,174			33,985
Machinery and equipment	176,085			171,385
Construction in progress	5,878			1,225
	236,511			223,796
Less: accumulated depreciation	(170,762		)	(163,820		)
Total property, plant and equipment	$	65,749		$	59,976

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Timber and Timberlands(Tables)

12 Months Ended

Dec. 31, 2014

Timber and Timberlands [Abstract]

Schedule of Timber and Timberlands

(Dollars in thousands)	2014		2013
Timber and timberlands	$	760,431	$	391,916
Logging roads	67,989		63,955
Total timber and timberlands	$	828,420	$	455,871

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Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance, beginning of period at Dec. 31, 2011	$ 142,138	$ 40,202	$ 329,206	$ (86,388)	$ (140,882)
Balance, beginning of period (shares) at Dec. 31, 2011		40,202,170
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options and stock awards (shares)	60,857	60,857
Exercise of stock options and stock awards	1,092	61	1,031	0	0
Performance share and restricted stock unit awards (shares)		126,153
Performance share and restricted stock unit awards	2,861	126	3,096	(361)	0
Net income	42,594	0	0	42,594	0
Pension plans and OPEB obligations	(16)	0	0	0	(16)
Transfer of assets from REIT to subsidiary	15	0	15	0	0
Common distributions, $1.24 per share 2012, $1.28 per share 2013, $1.425 per share 2014	(50,041)	0	0	(50,041)	0
Balance, end of period at Dec. 31, 2012	138,643	40,389	333,348	(94,196)	(140,898)
Balance, end of period (shares) at Dec. 31, 2012		40,389,180
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options and stock awards (shares)	70,968	70,968
Exercise of stock options and stock awards	1,904	71	1,833	0	0
Performance share and restricted stock unit awards (shares)		76,731
Performance share and restricted stock unit awards	2,710	77	2,706	(73)	0
Net income	70,581	0	0	70,581	0
Pension plans and OPEB obligations	42,178	0	0	0	42,178
Common distributions, $1.24 per share 2012, $1.28 per share 2013, $1.425 per share 2014	(51,868)	0	0	(51,868)	0
Balance, end of period at Dec. 31, 2013	204,148	40,537	337,887	(75,556)	(98,720)
Balance, end of period (shares) at Dec. 31, 2013		40,536,879
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options and stock awards (shares)	12,859	12,859
Exercise of stock options and stock awards	398	13	385	0	0
Performance share and restricted stock unit awards (shares)		55,441
Performance share and restricted stock unit awards	2,935	55	2,974	(94)	0
Net income	89,910	0	0	89,910	0
Director deferred stock awards	5,195	0	5,195	0	0
Pension plans and OPEB obligations	(19,672)	0	0	0	(19,672)
Common distributions, $1.24 per share 2012, $1.28 per share 2013, $1.425 per share 2014	(57,848)	0	0	(57,848)	0
Balance, end of period at Dec. 31, 2014	$ 225,066	$ 40,605	$ 346,441	$ (43,588)	$ (118,392)
Balance, end of period (shares) at Dec. 31, 2014		40,605,179

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Other Assets (Tables)

12 Months Ended

Dec. 31, 2014

Other Assets [Abstract]

Schedule of Other Assets, Current

Current Other Assets
(Dollars in thousands)	2014		2013
Basis of real estate held for sale	$	11,529	$	10,010
Deferred charges	1,172		1,008
Prepaid expenses	2,364		943
Total current other assets	$	15,065	$	11,961

Schedule of Other Assets, Noncurrent

Noncurrent Other Assets
(Dollars in thousands)	2014		2013
Deferred charges	$	6,697	$	5,668
Noncurrent investments	911		3,144
Derivative asset associated with interest rate swaps	421		1,830
Developed land	1,733		1,733
Other	599		363
Total noncurrent other assets	$	10,361	$	12,738

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Equity-Based Compensation Plans (Summary Of Outstanding Performance Share Awards / Restricted Stock Units) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Performance shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Unvested shares outstanding at January 1, Shares	155,814	160,214	154,594
Granted (in shares)	87,441	83,111	85,028
Vested (in shares)	(76,202)	(71,861)	(76,812)
Forfeited (in shares)	(6,820)	(15,650)	(2,596)
Unvested shares outstanding at December 31, Shares	160,233	155,814	160,214
Unvested shares outstanding at January 1, Weighted Avg. Grant Date Fair Value (in dollars per share)	$ 48.73	$ 44.50	$ 50.54
Granted, Weighted Av.g Exercise Price (in dollars per share)	$ 45.57	$ 62.78	$ 34.24
Vested, Weighted Avg. Grant Date Fair Value (in dollars per share)	$ 34.24	$ 55.84	$ 45.30
Forfeited, Weighted Avg. Grant Date Fair Value (in dollars per share)	$ 49.75	$ 47.32	$ 44.99
Unvested shares outstanding at December 31, Weighted Avg. Grant Date Fair Value (in dollars per share)	$ 53.86	$ 48.73	$ 44.50
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value	$ 2,609	$ 4,013	$ 3,480
Aggregate Intrinsic Value	6,709	6,504	6,019
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Unvested shares outstanding at January 1, Shares	37,461	40,219	36,359
Granted (in shares)	19,599	23,449	20,225
Vested (in shares)	(21,333)	(19,796)	(14,861)
Forfeited (in shares)	(3,272)	(6,411)	(1,504)
Unvested shares outstanding at December 31, Shares	32,455	37,461	40,219
Unvested shares outstanding at January 1, Weighted Avg. Grant Date Fair Value (in dollars per share)	$ 38.69	$ 34.82	$ 35.60
Granted, Weighted Av.g Exercise Price (in dollars per share)	$ 40.51	$ 44.41	$ 31.53
Vested, Weighted Avg. Grant Date Fair Value (in dollars per share)	$ 34.46	$ 38.19	$ 32.41
Forfeited, Weighted Avg. Grant Date Fair Value (in dollars per share)	$ 42.06	$ 36.91	$ 33.36
Unvested shares outstanding at December 31, Weighted Avg. Grant Date Fair Value (in dollars per share)	$ 42.24	$ 38.69	$ 34.82
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value	735	756	482
Aggregate Intrinsic Value	$ 1,359	$ 2,511	$ 1,575

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Equity-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2014

Share-based Compensation [Abstract]

Details of Compensation Expense

The following table details our compensation expense and the related income tax benefit as of December 31:

(Dollars in thousands)	2014		2013		2012
Employee equity-based compensation expense:
Performance shares	3,515		3,635		3,440
Restricted stock units	622		742		627
Total employee equity-based compensation expense	$	4,137	$	4,377	$	4,067
Deferred compensation stock equivalent units expense	$	345	$	1,265	$	2,008
Total tax benefit recognized for shared-based payment awards	$	280	$	71	$	525

Fair Value of Performance Share Awards

The following table presents the key inputs used in calculating the fair value of the performance share awards in 2014, 2013 and 2012, and the resulting fair values:

	2014			2013			2012
Shares granted	87,441			83,111			85,028
Stock price as of valuation date	$	39.76		$	45.31		$	31.11
Risk-free rate	0.72		%	0.40		%	0.40		%
Fair value of a performance share	$	45.57		$	62.78		$	34.24

Summary of Outstanding Performance Share Awards

The following table summarizes outstanding performance share awards as of December 31, 2014, 2013 and 2012, and changes during those years:

(Dollars in thousands, except per-share amounts)	2014					2013					2012
	SHARES			WEIGHTED AVG. GRANT DATE FAIR VALUE		SHARES			WEIGHTED AVG. GRANT DATE FAIR VALUE		SHARES			WEIGHTED AVG. GRANT DATE FAIR VALUE
Unvested shares outstanding at January 1	155,814			$	48.73	160,214			$	44.50	154,594			$	50.54
Granted	87,441			45.57		83,111			62.78		85,028			34.24
Vested	(76,202		)	34.24		(71,861		)	55.84		(76,812		)	45.30
Forfeited	(6,820		)	49.75		(15,650		)	47.32		(2,596		)	44.99
Unvested shares outstanding at December 31	160,233			53.86		155,814			48.73		160,214			44.50
Total grant date fair value of share awards vested during the year	$	2,609				$	4,013				$	3,480
Aggregate intrinsic value of unvested share awards at December 31	$	6,709				$	6,504				$	6,019

Summary of Outstanding RSU Awards

A summary of the status of outstanding RSU awards as of December 31, 2014, 2013 and 2012, and changes during these years is presented below:

	2014					2013					2012
	SHARES			WEIGHTED AVERAGE GRANT DATE FAIR VALUE		SHARES			WEIGHTED AVERAGE GRANT DATE FAIR VALUE		SHARES			WEIGHTED AVERAGE GRANT DATE FAIR VALUE
Unvested shares outstanding at January 1	37,461			$	38.69	40,219			$	34.82	36,359			$	35.60
Granted	19,599			40.51		23,449			44.41		20,225			31.53
Vested	(21,333		)	34.46		(19,796		)	38.19		(14,861		)	32.41
Forfeited	(3,272		)	42.06		(6,411		)	36.91		(1,504		)	33.36
Unvested shares outstanding at December 31	32,455			42.24		37,461			38.69		40,219			34.82
Total grant date fair value of RSU awards vested during the year (in thousands)	$	735				$	756				$	482
Aggregate intrinsic value of unvested RSU awards at December 31 (in thousands)	$	1,359				$	2,511				$	1,575

Summary of Outstanding Stock Options

A summary of the status of outstanding stock options as of December 31, 2014, 2013 and 2012 and changes during those years is presented below:

	2014					2013					2012
	SHARES			WEIGHTED AVG. EXERCISE PRICE		SHARES			WEIGHTED AVG. EXERCISE PRICE		SHARES			WEIGHTED AVG. EXERCISE PRICE
Outstanding at January 1	12,859			$	30.92	83,827			$	27.46	144,684			$	23.34
Shares exercised	(12,859		)	30.92		(70,968		)	26.25		(60,857		)	17.66
Outstanding and exercisable at December 31	—					12,859			30.92		83,827			27.46
Total intrinsic value of options exercised during the year (in thousands)	$	150				$	1,423				$	938

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Income Taxes (Schedule of Components of Deferred Income Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Pensions	$ 31,527	$ 16,807
Postretirement employee benefits	16,209	18,464
Inventories	2,720	2,636
Incentive compensation	2,544	2,807
Nondeductible accruals	2,033	2,405
Tax credits	1,904	2,135
Employee benefits	1,839	1,586
Net operating loss carryforwards	142	1,056
Other	224	200
Total deferred tax assets	59,142	48,096
Valuation allowance	0	(2,184)
Deferred tax assets, net of valuation allowance	59,142	45,912
Timber and timberlands	(5,120)	(5,871)
Property, plant and equipment	(10,626)	(10,741)
Total deferred tax liabilities	(15,746)	(16,612)
Net deferred tax assets	$ 43,396	$ 29,300

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Savings Plans, Pension Plans and Other Postretirement Employee Benefits Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Other Amounts Recognized in Consolidated Statements of Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net amount at beginning of year	$ (98,720)
Taxes	(15,598)	21,424	(5,968)
Net amount arising during the period	(24,396)	33,510	(9,334)
Taxes	0	0	2,159
Net reclassifications during the period	19,672	(42,178)	16
Net amount at end of year	(118,392)	(98,720)
Pension Plans, Defined Benefit [Member]
Net amount at beginning of year	117,167	161,667	158,883
Net loss (gain)	43,223	(52,242)	20,180
Prior service cost (credit)	0	0	510
Taxes	(16,857)	20,374	(8,069)
Net amount arising during the period	26,366	(31,868)	12,621
Amortization of prior service (cost) credit	(748)	(779)	(770)
Amortization of actuarial loss	(14,451)	(19,929)	(15,356)
Taxes	5,927	8,076	6,289
Net reclassifications during the period	(9,272)	(12,632)	(9,837)
Net amount at end of year	134,261	117,167	161,667
Other Postretirement Benefit Plans, Defined Benefit [Member]
Net amount at beginning of year	(18,447)	(20,769)	(18,001)
Net loss (gain)	(3,229)	(2,692)	(4,878)
Prior service cost (credit)	0	0	(5,942)
Taxes	1,259	1,050	4,260
Net amount arising during the period	(1,970)	(1,642)	(6,560)
Amortization of prior service (cost) credit	9,641	9,708	9,343
Amortization of actuarial loss	(2,186)	(3,209)	(3,127)
Taxes	(2,907)	(2,535)	(2,424)
Net reclassifications during the period	4,548	3,964	3,792
Net amount at end of year	$ (15,869)	$ (18,447)	$ (20,769)

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Consolidated Condensed Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Revenues	$ 606,950		$ 570,289		$ 525,134
Costs and expenses:
Cost of goods sold1	429,789	[1]	408,772	[1]	390,773	[1]
Selling, general and administrative expenses	44,655		50,397		49,419
Environmental remediation charges	0		3,522		0
Total costs and expenses	474,444		462,691		440,192
Operating income	132,506		107,598		84,942
Interest expense, net	(22,909)		(23,132)		(25,539)
Income before income taxes	109,597		84,466		59,403
Income taxes	(19,687)		(13,885)		(16,809)
Net income	89,910		70,581		42,594
Net income per share:
Basic (in dollars per share)	$ 2.21		$ 1.74		$ 1.06
Diluted (in dollars per share)	$ 2.20		$ 1.73		$ 1.05
Distributions per share (in dollars per share)	$ 1.425		$ 1.28		$ 1.24
Asset impairment charge					$ 107

[1] A 2012 asset impairment charge of $107 was reclassified to cost of goods sold.

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Inventories (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Inventory Disclosure [Abstract]
Logs	$ 7,930,000	$ 14,975,000
Lumber and other manufactured wood products	17,286,000	15,967,000
Materials and supplies	6,274,000	5,333,000
Inventories, Total	31,490,000	36,275,000
Last-in, first-out basis	16,874,000	23,250,000
Average cost basis	14,616,000	13,025,000
Last-In, First-Out Reserve	$ 11,000,000	$ 11,300,000	$ 10,600,000

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Consolidated Condensed Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Allowance for doubtful accounts	$ 450	$ 450
Preferred stock, authorized	4,000,000	4,000,000
Preferred stock, issued	0	0
Common stock, par value	$ 1	$ 1
Common stock, authorized	100,000,000	100,000,000
Common stock, issued	40,605,179	40,536,879
Accumulated other comprehensive loss, tax	$ (77,586)	$ (64,868)

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Accounts Payable and Accrued Liabilites (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accounts Payable and Accrued Liabilities [Abstract]
Wages, salaries and employee benefits	$ 14,667	$ 15,908
Trade accounts payable	5,656	7,702
Taxes other than income taxes	5,663	6,247
Interest	4,811	4,018
Logging related expenses	2,983	1,600
Deferred recreational lease income	1,616	880
Freight	740	802
Book overdrafts	4,385	2,920
Other	2,543	3,540
Accounts Payable and Accrued Liabilities, Total	$ 43,064	$ 43,617

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Accounts Payable and Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2014

Accounts Payable and Accrued Liabilities [Abstract]

Schedule of Accounts Payable and Accrued Liabilities

(Dollars in thousands)	2014		2013
Wages, salaries and employee benefits	$	14,667	$	15,908
Trade accounts payable	5,656		7,702
Taxes other than income taxes	5,663		6,247
Interest	4,811		4,018
Logging related expenses	2,983		1,600
Deferred recreational lease income	1,616		880
Freight	740		802
Book overdrafts	4,385		2,920
Other	2,543		3,540
Total	$	43,064	$	43,617

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Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2009
Defined Benefit Plan Disclosure [Line Items]
401(K) contributions by employer	$ 2,000,000	$ 1,800,000	$ 1,600,000
Pension Contributions	3,550,000	0	21,630,000
Accumulated benefit obligation	410,400,000	387,400,000
Non-Qualified Pension Plan, Estimated Payments in Next Fiscal Year	1,800,000
Health care cost trend rate assumed for next fiscal year	5.70%
Decrease in accumulated postretirement benefit obligations				(76,700,000)
Defined Benefit Plan, Assumption Health Care Cost Trend Rate for Next Fiscal Year	4.30%
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount Rate	4.25%	5.10%	4.15%
Contributions	5,317,000	1,734,000
Estimated net loss to be amortized from Accumulated Other Comprehensive Loss ino Net Periodic Benefit Cost	17,600,000
Estimated prior service cost to be amortized from Accumulated Other Comprehensive Loss ino Net Periodic Benefit Cost	600,000
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount Rate	3.90%	4.45%	3.70%
Contributions	4,319,000	3,902,000
Estimated net loss to be amortized from Accumulated Other Comprehensive Loss ino Net Periodic Benefit Cost	2,200,000
Estimated prior service cost to be amortized from Accumulated Other Comprehensive Loss ino Net Periodic Benefit Cost	$ 9,300,000

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Savings Plans, Pension Plans and Other Postretirement Employee Benefits

12 Months Ended

Dec. 31, 2014

General Discussion of Pension and Other Postretirement Benefits [Abstract]

Savings Plans, Pension Plans and Other Postretirement Employee Benefits

SAVINGS PLANS, PENSION PLANS AND OTHER POSTRETIREMENT EMPLOYEE BENEFITS

SAVINGS PLANS

Substantially all of our employees are eligible to participate in 401(k) savings plans. In 2014, 2013 and 2012, we made matching 401(k) contributions on behalf of employees of $2.0 million, $1.8 million and $1.6 million, respectively. Effective January 1, 2011, we closed our defined benefit pension plans to any new salaried and hourly non-represented entrants. In connection with these closures, additional company 401(k) contributions are made for employees hired after that date.

PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS

We also provide benefits under company-sponsored defined benefit retiree health care plans, which cover certain salaried and hourly employees. Most of the retiree health care plans require retiree contributions and contain other cost-sharing features.

We recognize the underfunded status of our defined benefit pension plans and other postretirement employee benefit obligations on our Consolidated Balance Sheets. We recognize the changes in the funded status in the year in which changes occur through our Consolidated Statements of Comprehensive Income.

We use a December 31 measurement date for our benefit plans and obligations.

The change in benefit obligation, change in plan assets and funded status for company-sponsored benefit plans and obligations are as follows:

	PENSION PLANS						OTHER POSTRETIREMENT EMPLOYEE BENEFITS (OPEB)
(Dollars in thousands)	2014			2013			2014			2013
Benefit obligation at beginning of year	$	(393,565	)	$	(445,535	)	$	(47,343	)	$	(52,033	)
Service cost	(5,081		)	(5,318		)	(25		)	(94		)
Interest cost	(19,184		)	(17,826		)	(1,741		)	(1,810		)
Plan amendments	—			—			—			—
Actuarial loss (gain)	(49,990		)	41,178			3,229			2,692
Benefits paid	50,126			33,936			4,319			3,902
Benefit obligation at end of year	$	(417,694	)	$	(393,565	)	$	(41,561	)	$	(47,343	)
Fair value of plan assets at beginning of year	$	350,588		$	345,633		$	—		$	—
Actual return on plan assets	31,280			37,157			—			—
Employer contributions and benefit payments	5,317			1,734			4,319			3,902
Benefits paid	(50,126		)	(33,936		)	(4,319		)	(3,902		)
Fair value of plan assets at end of year	$	337,059		$	350,588		$	—		$	—
Amounts recognized in the consolidated balance sheets:
Current liabilities	$	(1,774	)	$	(1,772	)	$	(4,486	)	$	(4,929	)
Noncurrent liabilities	(78,861		)	(41,205		)	(37,075		)	(42,414		)
Funded status	$	(80,635	)	$	(42,977	)	$	(41,561	)	$	(47,343	)

Changes in actuarial assumptions, primarily the decrease in the discount rate, and adoption of updated mortality tables used to calculate our pension liabilities resulted in a decrease to the funded status of our pension plans at the end of 2014.

The accumulated benefit obligation for all defined benefit pension plans was $410.4 million and $387.4 million at December 31, 2014 and 2013, respectively.

On January 1, 2011 we froze our pension plans to any new salaried and hourly non-represented employees hired after that date.

In late 2009, we restructured our health care and life insurance plans for the majority of our retirees, with the changes effective January 1, 2010. The level of subsidy was frozen for retirees so that all future increments in heath care costs will be borne by the retirees. In addition, the retiree medical plans were redesigned for all retirees. For retirees under age 65, a high deductible medical plan was created and all other existing medical plans were terminated. These retirees were transferred to the new medical plan effective January 1, 2010. For retirees age 65 or over, the medical plan is divided into two components, with the company continuing to self-insure prescription drugs and providing a fully-insured medical supplemental plan through AARP/United Healthcare. Both medical plans require the retiree to contribute the amounts in excess of the company subsidy in order to continue coverage. Finally, vision, dental and life insurance coverage for these retirees were terminated. The effect of these retiree plan changes was a reduction in the accumulated postretirement benefit obligation of $76.7 million, which was recognized as of December 31, 2009. The retirees from our Arkansas wood products manufacturing facility are represented by a bargaining group and their retiree medical plan is covered by the collective bargaining agreement.

PENSION ASSETS

We utilize formal investment policy guidelines for our company-sponsored pension plan assets. These guidelines are periodically reviewed by the board of directors. The board of directors has delegated its authority to management to insure that the investment policy and guidelines are adhered to and the investment objectives are met.

The general policy states that plan assets will be invested to seek the greatest return consistent with the fiduciary character of the pension funds and to allow the plans to meet the need for timely pension benefit payments. The specific investment guidelines stipulate that management will maintain adequate liquidity for meeting expected benefit payments by reviewing, on a timely basis, contribution and benefit payment levels and appropriately revise long-term and short-term asset allocations. Management takes reasonable and prudent steps to preserve the value of pension fund assets and to avoid the risk of large losses. Major steps taken to provide this protection include the following:

•Assets are diversified among various asset classes, such as domestic equities, global equities, fixed income, convertible securities and liquid reserves. The long-term asset allocation ranges are as follows:

Domestic and international equities	24	%	-	48%
Fixed income securities	38	%	-	58%
Alternatives	12	%	-	18%
Cash	0	%	-	5%

Periodic reviews of allocations within these ranges are made to determine what adjustments should be made based on changing economic and market conditions and specific liquidity requirements.

• Assets are managed by professional investment managers and may be invested in separately managed accounts or commingled funds. Assets are diversified by selecting different investment managers for each asset class and by limiting assets under each manager to no more than 25% of the total pension fund.

• Assets are not invested in Potlatch stock.

The investment guidelines also provide that the individual investment managers are expected to achieve a reasonable rate of return over a market cycle. Emphasis will be placed on long-term performance versus short-term market aberrations. Factors to be considered in determining reasonable rates of return include performance achieved by a diverse cross section of other investment managers, performance of commonly used benchmarks (e.g., Russell 3000 Index, Barclays US Long Credit Index, Morgan Stanley Capital International All Country World Index ex US), actuarial assumptions for return on plan investments and specific performance guidelines given to individual investment managers.

The asset allocations of the pension benefit plans’ assets at December 31 by asset category are as follows:

	PENSION PLANS
ASSET CATEGORY	2014		2013
Domestic equity securities	14	%	20	%
Global/international equity securities	22		27
Fixed income securities	48		38
Other	16		15
Total	100	%	100	%

The pension assets are stated at fair value. Refer toNote 12. Financial Instruments and Concentration of Risk for discussion of the framework used to measure fair value.

Following is a description of the valuation methodologies used for assets measured at fair value:

• Corporate common and preferred stocks are valued at quoted market prices reported on the major securities markets, and are classified in Level 1. Investments in registered investment company funds for which market quotations are generally readily available are valued at the last reported sale price, official closing price or publicly available net asset value, or NAV, (or its equivalent) on the primary market or exchange on which they are traded, and are classified in Level 1.

• Investments in common and collective trust funds, hedge funds and liquidating trusts that maintain investments in mortgage-backed securities, are generally valued based on their respective NAV (or its equivalent), as a practical expedient to estimate fair value due to the absence of readily available market prices. Investments that may be fully redeemed at NAV in the near-term are generally classified in Level 2.

• Investments in funds that may not be fully redeemed at NAV in the near-term are generally classified in Level 3.

Fair value measurements at December 31, 2014:

(Dollars in thousands)
ASSET CATEGORY	QUOTED PRICES IN ACTIVE MARKETS FOR IDENTICAL ASSETS (LEVEL 1)		SIGNIFICANT OBSERVABLE INPUTS (LEVEL 2)		SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)		TOTAL
Cash and equivalents	$	6,586	$	—	$	—	$	6,586
Equity securities:
U.S. small/mid cap1	1,136		—		—		1,136
International companies	13,782		—		—		13,782
Mutual funds2	226,710				—		226,710
Collective investments:
U.S. large cap3	—		30,005		—		30,005
Developed markets4	—		29,879		—		29,879
Emerging markets5	—		28,961		—		28,961
Total	$	248,214	$	88,845	$	—	$	337,059

¹  These are managed investments in US small/mid cap equities that track the Russell 2500 Growth index.

²  The mutual funds were 72% invested in high-quality intermediate and long-term investment grade securities, 22% invested in a diversified portfolio of fixed-income instruments of varying maturities, which may be represented by forwards or derivatives such as options, futures contracts or swap agreements and debt securities, and 6% invested in US small/mid cap equities that track the Russell 2500 Growth index.

³  These collective investments are invested in US large cap equities that track the S&P 500.

⁴  These collective investments are invested in equity funds of developed markets outside of the US & Canada, that track the MSCI EAFE Value or MSCI EAFE Growth index.

⁵  These collective investments are invested in equity funds of emerging markets outside of the US & Canada, that track the MSCI Emerging Markets index.

Fair value measurements at December 31, 2013:

(Dollars in thousands)
ASSET CATEGORY	QUOTED PRICES IN ACTIVE MARKETS FOR IDENTICAL ASSETS (LEVEL 1)		SIGNIFICANT OBSERVABLE INPUTS (LEVEL 2)		SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)		TOTAL
Cash and equivalents	$	9,673	$	—	$	—	$	9,673
Equity securities:
U.S. large cap1	32,304		—		—		32,304
U.S. small/mid cap2	19,053		—		—		19,053
International companies	34,773		—		—		34,773
Mutual funds3	185,505		—		—		185,505
Collective investments:
Developed markets4	—		17,401		—		17,401
Emerging markets5	—		41,300		—		41,300
Hedge funds6	—		—		10,579		10,579
Total	$	281,308	$	58,701	$	10,579	$	350,588

¹  These are managed investments in US large cap equities that track the Russell 1000 Value index.

²  These are managed investments in US small/mid cap equities that track the Russell 2500 Growth index.

³  The mutual funds were 50% invested in high-quality intermediate and long-term investment grade securities and 50% invested in a diversified portfolio of fixed-income instruments of varying maturities, which may be represented by forwards or derivatives such as options, futures contracts or swap agreements and debt securities.

⁴  These collective investments are invested in equity funds of developed markets outside of the US & Canada, that track the MSCI EAFE index.

⁵  These collective investments are invested in equity funds of emerging markets outside of the US & Canada, that track the MSCI Emerging Markets index.

⁶  The hedge funds are 37% invested in long/short and event-driven equity, 24% invested in long and short credit, 11% in relative value, 10% invested in distressed debt, 6% invested in convertible bond hedging, with the remaining 13% in other investments.

The following table sets forth a summary of changes in the fair value of the plans’ Level 3 assets for the years ended December 31:

	Hedge Funds
(Dollars in thousands)	2014			2013
Balance, beginning of year	$	10,579		$	45,693
Sales and settlements	(10,579		)	(34,500		)
Unrealized losses relating to assets still held at the reporting date	—			(614		)
Balance, end of year	$	—		$	10,579

PLAN ACTIVITY

Pre-tax components of net periodic cost (benefit) recognized in our Consolidated Statements of Income were as follows:

	PENSION PLANS									OTHER POSTRETIREMENT EMPLOYEE BENEFITS
(Dollars in thousands)	2014			2013			2012			2014			2013			2012
Service cost	$	5,081		$	5,318		$	5,238		$	25		$	94		$	284
Interest cost	19,184			17,826			19,986			1,741			1,810			2,478
Expected return on plan assets	(24,512		)	(26,092		)	(28,755		)	—			—			—
Curtailment credit	—			—			—			—			—			(103		)
Amortization of prior service cost (credit)	748			779			770			(9,641		)	(9,708		)	(9,343		)
Amortization of actuarial loss	14,451			19,929			15,356			2,186			3,209			3,127
Net periodic cost (benefit)	$	14,952		$	17,760		$	12,595		$	(5,689	)	$	(4,595	)	$	(3,557	)

Other amounts recognized in our Consolidated Statements of Comprehensive Income were as follows:

	PENSION PLANS									OTHER POSTRETIREMENT EMPLOYEE BENEFITS
(Dollars in thousands)	2014			2013			2012			2014			2013			2012
Net amount at beginning of year	$	117,167		$	161,667		$	158,883		$	(18,447	)	$	(20,769	)	$	(18,001	)
Amounts arising during the period:
Net loss (gain)	43,223			(52,242		)	20,180			(3,229		)	(2,692		)	(4,878		)
Prior service cost (credit)	—			—			510			—			—			(5,942		)
Taxes	(16,857		)	20,374			(8,069		)	1,259			1,050			4,260
Net amount arising during the period	26,366			(31,868		)	12,621			(1,970		)	(1,642		)	(6,560		)
Amounts reclassified during the period:
Amortization of prior service (cost) credit	(748		)	(779		)	(770		)	9,641			9,708			9,343
Amortization of actuarial loss	(14,451		)	(19,929		)	(15,356		)	(2,186		)	(3,209		)	(3,127		)
Taxes	5,927			8,076			6,289			(2,907		)	(2,535		)	(2,424		)
Net reclassifications during the period	(9,272		)	(12,632		)	(9,837		)	4,548			3,964			3,792
Net amount at end of year	$	134,261		$	117,167		$	161,667		$	(15,869	)	$	(18,447	)	$	(20,769	)

Amounts recognized in accumulated other comprehensive loss on our Consolidated Balance Sheets, net of tax, consist of:

	PENSION PLANS					OTHER POSTRETIREMENT EMPLOYEE BENEFITS
(Dollars in thousands)	2014			2013		2014			2013
Net loss	$	134,717		$	115,404	$	(21,750	)	$	16,490
Prior service cost (credit)	(456		)	1,763		5,881			(34,937		)
Net amount recognized	$	134,261		$	117,167	$	(15,869	)	$	(18,447	)

The estimated net loss and prior service cost for the defined benefit pension plans that will be amortized from accumulated other comprehensive loss into net periodic benefit cost over the next fiscal year are $17.6 million and $0.6 million, respectively. The estimated net loss and prior service credit for OPEB obligations that will be amortized from accumulated other comprehensive loss into net periodic benefit over the next fiscal year are $2.2 million and $9.3 million, respectively.

EXPECTED FUNDING AND BENEFIT PAYMENTS

We are not required to make a contribution to our qualified pension plan in 2015. Our non-qualified pension plan is unfunded and benefit payments are paid from our general assets. We estimate approximately $1.8 million in supplemental pension plan payments in 2015.

Our other postretirement employee benefit plans are unfunded and benefit payments are paid from our general assets they come due. Estimated future benefit payments represent benefit costs incurred during the year by eligible participants.

Estimated future benefit payments, which reflect expected future service are as follows for the years indicated:

(Dollars in thousands)	PENSION PLANS		OTHER POSTRETIREMENT EMPLOYEE BENEFITS
2015	$	29,566	$	4,486
2016		29,342		4,293
2017		29,167		4,044
2018		29,049		3,789
2019		29,031		3,541
2020 – 2024		143,681		14,600

ACTUARIAL ASSUMPTIONS

The weighted average assumptions used to determine the benefit obligation as of December 31 were:

	PENSION PLANS						OTHER POSTRETIREMENT EMPLOYEE BENEFITS
	2014		2013		2012		2014		2013		2012
Discount rate	4.25	%	5.10	%	4.15	%	3.90	%	4.45	%	3.70	%
Rate of salaried compensation increase	3.00	%	3.00	%	3.50	%	—		—		—

The weighted average assumptions used to determine the net periodic benefit (cost) for the years ended December 31 were:

	PENSION PLANS						OTHER POSTRETIREMENT EMPLOYEE BENEFITS
	2014		2013		2012		2014		2013		2012
Discount rate	5.10	%	4.15	%	4.95	%	4.45	%	3.70	%	4.85	%
Expected return on plan assets	7.50	%	8.00	%	8.00	%	—		—		—
Rate of salaried compensation increase	3.00	%	3.50	%	3.50	%	—		—		—

The discount rate used in the determination of pension and other postretirement employee benefit obligations in 2014 and 2013 was calculated using hypothetical bond portfolios to match the expected benefit payments under each of our pension plans and other postretirement employee benefit obligations based on bonds available on December 31, 2014 with a rating of "AA" or better. The portfolios were well-diversified over corporate industrial, corporate financial, municipal, federal and foreign government issuers.

The expected return on plan assets assumption is based upon an analysis of historical long-term returns for various investment categories, as measured by appropriate indices. These indices are weighted based upon the extent to which plan assets are invested in the particular categories in arriving at our determination of a composite expected return. The expected rate of return assumption that will be used to determine net periodic cost for 2015 is 6.75%.

The assumed health care cost trend rate used to calculate other postretirement employee benefit obligations as of December 31, 2014 was 5.7% for a certain group of participants under age 65 in our hourly plan and our Arkansas participants covered by a collective bargaining agreement, grading ratably to an assumption of 4.3% in 2094.

A one percentage point change in the health care cost trend rates would have the following effects on our December 31, 2014Consolidated Financial Statements:

(Dollars in thousands)	1% INCREASE		1% DECREASE
Effect on total service cost plus interest cost	$	5	$	(5	)
Effect on accumulated postretirement benefit obligation	112		(112		)

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Other Long-Term Obligations (Tables)

12 Months Ended

Dec. 31, 2014

Other Long-term Debt [Abstract]

Schedule of Other Long-Term Obligations

(Dollars in thousands)	2014		2013
Employee benefits and related liabilities	$	8,839	$	15,423
Cost share logging roads	5,894		5,759
Other	1,019		1,171
Total	$	15,752	$	22,353

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Equity-Based Compensation Plans

12 Months Ended

Dec. 31, 2014

Share-based Compensation [Abstract]

Equity-Based Compensation Plans

EQUITY-BASED COMPENSATION PLANS

As of December 31, 2014, we had two stock incentive plans under which performance shares, restricted stock units (RSUs), or deferred compensation stock equivalent units were outstanding. All of these plans have received shareholder approval. We were originally authorized to issue up to 1.6 million shares and 1.0 million shares under our 2005 Stock Incentive Plan and 2014 Stock Incentive Plan, respectively. At December 31, 2014, approximately 1.1 million shares were authorized for future use under the 2005 Stock Incentive Plan and 2014 Stock Incentive Plan. We issue new shares of common stock to settle performance shares, restricted stock units, and deferred compensation stock equivalent units.

The following table details our compensation expense and the related income tax benefit as of December 31:

(Dollars in thousands)	2014		2013		2012
Employee equity-based compensation expense:
Performance shares	3,515		3,635		3,440
Restricted stock units	622		742		627
Total employee equity-based compensation expense	$	4,137	$	4,377	$	4,067
Deferred compensation stock equivalent units expense	$	345	$	1,265	$	2,008
Total tax benefit recognized for shared-based payment awards	$	280	$	71	$	525

PERFORMANCE SHARES

Performance share awards granted under the stock incentive plans have a three-year performance period and shares are issued at the end of the period if the performance measure is met. The performance measure is based on the percentile ranking of our total shareholder return relative to the total shareholder return performance of both a selected peer group of companies and a larger group of indexed companies over the three-year performance period. The number of shares actually issued, as a percentage of the amount subject to the performance share award, could range from 0% to 200%. Performance share awards granted under our stock incentive plans do not have voting rights unless and until shares are issued upon settlement. If shares are issued at the end of the three-year performance measurement period, the recipients will receive distribution equivalents in the form of additional shares at the time of payment equal to the distributions that would have been paid on the shares earned had the recipients owned the shares during the three-year period. Therefore, the shares are not considered participating securities.

A Monte Carlo simulation method is used to estimate the stock prices of Potlatch and the selected peer companies at the end of the three-year performance period. The expected volatility of each company’s stock price and covariance of returns among the peer companies are key assumptions within the Monte Carlo simulation. Historical volatility over a term similar to the performance period is considered a reasonable proxy for forecasted volatility. Likewise, because the returns of Potlatch and the peer group companies are correlated, the covariance, a measure of how two variables tend to move together, is calculated over a historical term similar to the performance period and applied in the simulations. The simulations use the stock prices of Potlatch and the peer group of companies as of the award date as a starting point. Multiple simulations are generated, resulting in share prices and total shareholder return values for Potlatch and the peer group of companies. For each simulation, the total shareholder return of Potlatch is ranked against that of the peer group of companies. The future value of the performance share unit is calculated based on a multiplier for the percentile ranking and then discounted to present value. The discount rate is the risk-free rate as of the award date for a term consistent with the performance period. Awards are also credited with dividend equivalents at the end of the performance period, and as a result, award values are not adjusted for dividends.

The following table presents the key inputs used in calculating the fair value of the performance share awards in 2014, 2013 and 2012, and the resulting fair values:

	2014			2013			2012
Shares granted	87,441			83,111			85,028
Stock price as of valuation date	$	39.76		$	45.31		$	31.11
Risk-free rate	0.72		%	0.40		%	0.40		%
Fair value of a performance share	$	45.57		$	62.78		$	34.24

The following table summarizes outstanding performance share awards as of December 31, 2014, 2013 and 2012, and changes during those years:

(Dollars in thousands, except per-share amounts)	2014					2013					2012
	SHARES			WEIGHTED AVG. GRANT DATE FAIR VALUE		SHARES			WEIGHTED AVG. GRANT DATE FAIR VALUE		SHARES			WEIGHTED AVG. GRANT DATE FAIR VALUE
Unvested shares outstanding at January 1	155,814			$	48.73	160,214			$	44.50	154,594			$	50.54
Granted	87,441			45.57		83,111			62.78		85,028			34.24
Vested	(76,202		)	34.24		(71,861		)	55.84		(76,812		)	45.30
Forfeited	(6,820		)	49.75		(15,650		)	47.32		(2,596		)	44.99
Unvested shares outstanding at December 31	160,233			53.86		155,814			48.73		160,214			44.50
Total grant date fair value of share awards vested during the year	$	2,609				$	4,013				$	3,480
Aggregate intrinsic value of unvested share awards at December 31	$	6,709				$	6,504				$	6,019

As of December 31, 2014, there was $4.1 million of unrecognized compensation cost related to unvested performance share awards, which is expected to be recognized over a weighted average period of 1.6 years.

RESTRICTED STOCK UNITS

Our 2005 Stock Incentive Plan and 2014 Stock Incentive Plan also allow for awards to be issued in the form of RSU grants. During 2014, 2013 and 2012, certain officers and other select employees of the company were granted RSU awards that will accrue distribution equivalents based on distributions paid during the RSU vesting period. The distribution equivalents will be converted into additional RSUs that will vest in the same manner as the underlying RSUs to which they relate. Therefore, the shares are not considered participating securities. The terms of the awards state that the RSUs will vest in a given time period of one to three years, and the terms of certain awards follow a vesting schedule within the given time period.

A summary of the status of outstanding RSU awards as of December 31, 2014, 2013 and 2012, and changes during these years is presented below:

	2014					2013					2012
	SHARES			WEIGHTED AVERAGE GRANT DATE FAIR VALUE		SHARES			WEIGHTED AVERAGE GRANT DATE FAIR VALUE		SHARES			WEIGHTED AVERAGE GRANT DATE FAIR VALUE
Unvested shares outstanding at January 1	37,461			$	38.69	40,219			$	34.82	36,359			$	35.60
Granted	19,599			40.51		23,449			44.41		20,225			31.53
Vested	(21,333		)	34.46		(19,796		)	38.19		(14,861		)	32.41
Forfeited	(3,272		)	42.06		(6,411		)	36.91		(1,504		)	33.36
Unvested shares outstanding at December 31	32,455			42.24		37,461			38.69		40,219			34.82
Total grant date fair value of RSU awards vested during the year (in thousands)	$	735				$	756				$	482
Aggregate intrinsic value of unvested RSU awards at December 31 (in thousands)	$	1,359				$	2,511				$	1,575

As of December 31, 2014, there was $0.8 million of total unrecognized compensation cost related to outstanding RSU awards, which is expected to be recognized over a weighted average period of 1.5 years.

STOCK OPTIONS

All outstanding stock options were granted with an exercise price equal to the market price on the date of grant, were fully exercisable after two years and expire not later than 10 years from the date of grant. No new stock options were granted in 2014, 2013 or 2012.

A summary of the status of outstanding stock options as of December 31, 2014, 2013 and 2012 and changes during those years is presented below:

	2014					2013					2012
	SHARES			WEIGHTED AVG. EXERCISE PRICE		SHARES			WEIGHTED AVG. EXERCISE PRICE		SHARES			WEIGHTED AVG. EXERCISE PRICE
Outstanding at January 1	12,859			$	30.92	83,827			$	27.46	144,684			$	23.34
Shares exercised	(12,859		)	30.92		(70,968		)	26.25		(60,857		)	17.66
Outstanding and exercisable at December 31	—					12,859			30.92		83,827			27.46
Total intrinsic value of options exercised during the year (in thousands)	$	150				$	1,423				$	938

Cash received from stock option exercises for the years ended December 31, 2014, 2013 and 2012 was $0.4 million, $1.9 million and $1.1 million, respectively.

DEFERRED COMPENSATION STOCK EQUIVALENT UNITS

A long term incentive award is granted annually to our directors, and payable upon a director's separation from service. Directors may also elect to defer their annual retainers, payable in the form of stock. All stock unit equivalent accounts are credited with dividend equivalents. As of December 31, 2014, there were 122,782 shares outstanding that will be distributed in the future to directors as common stock.

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Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Weighted Average Asset Alllocations of the Pension Benefit Plans' Assets) (Details) (Pension Plans, Defined Benefit [Member])	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan, Actual Plan Asset Allocations	100.00%	100.00%
Domestic Equity Securities [Member]
Defined Benefit Plan, Actual Plan Asset Allocations	14.00%	20.00%
Debt Securities [Member]
Defined Benefit Plan, Actual Plan Asset Allocations	48.00%	38.00%
Global and International Equity Securities [Member]
Defined Benefit Plan, Actual Plan Asset Allocations	22.00%	27.00%
Other notes [Member]
Defined Benefit Plan, Actual Plan Asset Allocations	16.00%	15.00%

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Consolidated Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 89,910		$ 70,581		$ 42,594
Adjustments to reconcile net income to net cash from operating activities:
Depreciation, depletion and amortization	26,749		26,962		26,247
Basis of real estate sold	8,646		2,904		5,048
Change in deferred taxes	(1,616)		(2,467)		15,992
Employee benefit plans	2,122		7,561		4,317
Employee equity-based compensation expense	4,137		4,377		4,067
Other, net	(2,191)		(1,972)		599
Change in receivables	7,016		(5,904)		2,865
Change in inventories	4,785		(7,347)		(325)
Change in other assets	(1,421)		1,668		(1,459)
Change in accounts payable and accrued liabilities	(2,388)		(3,468)		163
Funding of qualified pension plans	(3,550)		0		(21,630)
Timber deposits and cost share roads	(827)		(2,643)		1,503
Net cash from operating activities	131,372		90,252		79,981
CASH FLOWS FROM INVESTING ACTIVITIES
Change in short-term investments	25,883		10,826		(88)
Transfer from company owned life insurance (COLI)	28,870		0		21,751
Transfer to COLI	(25,515)		0		0
Property, plant and equipment	(13,261)		(10,280)		(5,636)
Timberlands reforestation and roads1	(10,971)	[1]	(12,313)	[1]	(11,774)	[1]
Timberlands reforestation and roads1	(388,952)	[1]	(1,060)	[1]	(11,778)	[1]
Other, net	1,263		823		(1,122)
Net cash from investing activities	(382,683)		(12,004)		(8,647)
CASH FLOWS FROM FINANCING ACTIVITIES
Distributions to common stockholders	(57,848)		(51,868)		(50,041)
Repayment of long-term debt	0		(36,663)		(21,662)
Proceeds from issuance of long-term debt	310,000		0		12,000
Issuance of common stock	398		1,904		1,075
Change in book overdrafts	1,465		(955)		462
Deferred financing costs	(2,388)		(25)		(2,148)
Employee tax withholdings on vested performance share awards	(1,104)		(1,738)		(1,714)
Other, net	(154)		(302)		(140)
Net cash from financing activities	250,369		(89,647)		(62,168)
Increase (decrease) in cash	(942)		(11,399)		9,166
Cash at beginning of year	5,586		16,985		7,819
Cash at end of year	4,644		5,586		16,985
Cash paid during the year for:
Interest	20,918		22,229		23,884
Income taxes, net	$ 18,104		$ 20,097		$ 53

[1] Acquisitions of timber and timberlands in 2013 and 2012 were reclassified in order to conform to the 2014 presentation.

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Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net income	$ 89,910	$ 70,581	$ 42,594
Other comprehensive income (loss), net of tax:
Net gain (loss) arising during the period, net of tax expense (benefit) of $(15,598), $21,424 and $(5,968)	(24,396)	33,510	(9,334)
Prior service credit arising during the period, net of tax expense of $0, $0 and $2,159	0	0	3,273
Amortization of actuarial loss included in net periodic cost, net of tax expense of $6,488, $9,024 and $7,208	10,149	14,114	11,275
Amortization of prior service credit included in net periodic cost, net of tax benefit of $(3,468), $(3,482) and $(3,343)	(5,425)	(5,446)	(5,230)
Other comprehensive income (loss), net of tax	(19,672)	42,178	(16)
Comprehensive income	$ 70,238	$ 112,759	$ 42,578

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Income Taxes

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Income Taxes

INCOME TAXES

As a REIT, we generally are not subject to federal and state corporate income taxes on income of the REIT that we distribute to our shareholders. We are, however, subject to corporate taxes on built-in gains (the excess of fair market value over tax basis on January1, 2006) on sales of real property held by the REIT during the first ten years following our REIT conversion. The sale of standing timber is not subject to built-in gains tax. The Small Business Jobs Act of 2010 modified the built-in gains provisions to exempt sales of real properties in 2011, if five years of the recognition period had elapsed before January1, 2011. The reduced five-year holding period was extended each year through 2014. Accordingly, the built-in gains tax did not apply to Potlatch sales of real property that occurred in 2011 through 2014.

We conduct certain activities through taxable REIT subsidiaries (TRS) that are subject to corporate-level federal and state income taxes. These activities are principally comprised of our wood products manufacturing operations and certain real estate investments held for development and sale.

We reflect accrued interest related to tax obligations, as well as penalties, in our provision for income taxes. For the years ended December 31, 2014, 2013 and 2012, we recognized insignificant amounts related to interest and penalties in our tax provision. At December 31, 2014 and 2013, we had no accrued interest related to tax obligations and no accrued interest receivable with respect to open tax refunds.

Income tax expense consists of the following for the years ended December31:

(Dollars in thousands)	2014			2013			2012
Current	$	21,205		$	16,352		$	292
Deferred	(2,143		)	(2,754		)	8,197
Net operating loss carryforwards	625			287			8,320
Income taxes	$	19,687		$	13,885		$	16,809

Income tax expense differs from the amount computed by applying the statutory federal income tax rate of 35% to income before income taxes due to the following for the years ended December 31:

(Dollars in thousands)	2014			2013			2012
U.S. federal statutory income tax	$	38,359		$	29,563		$	20,791
REIT income not subject to federal income tax	(16,812		)	(13,918		)	(5,241		)
Change in valuation allowance	(1,818		)	(683		)	—
State income taxes, net of federal income tax	2,234			942			1,615
Domestic production activities deduction	(1,055		)	(1,579		)	—
Permanent book-tax differences	(1,073		)	(384		)	(413		)
All other items	(148		)	(56		)	57
Income taxes	$	19,687		$	13,885		$	16,809
Effective tax rate	18.0		%	16.4		%	28.3		%

The tax effects of significant temporary differences creating deferred tax assets and liabilities at December 31 were:

(Dollars in thousands)	2014			2013
Deferred tax assets:
Pensions	$	31,527		$	16,807
Postretirement employee benefits	16,209			18,464
Inventories	2,720			2,636
Incentive compensation	2,544			2,807
Nondeductible accruals	2,033			2,405
Tax credits	1,904			2,135
Employee benefits	1,839			1,586
Net operating loss carryforwards	142			1,056
Other	224			200
Total deferred tax assets	59,142			48,096
Valuation allowance	—			(2,184		)
Deferred tax assets, net of valuation allowance	59,142			45,912
Deferred tax liabilities:
Timber and timberlands	(5,120		)	(5,871		)
Property, plant and equipment	(10,626		)	(10,741		)
Total deferred tax liabilities	(15,746		)	(16,612		)
Net deferred tax assets	$	43,396		$	29,300

Net deferred tax assets and liabilities consist of:

(Dollars in thousands)	2014		2013
Current deferred tax assets	$	6,168	$	7,724
Noncurrent deferred tax assets	37,228		21,576
Net deferred tax assets	$	43,396	$	29,300

As of December 31, 2014 we believe it is more likely than not that we will have sufficient future taxable income to realize all of our deferred tax assets. During 2014, the valuation allowance decreased from $2.2 million to zero, with $1.8 million of the decrease due to the actual use and expected future use of Idaho Investment Tax Credits.

We have state net operating loss carryforwards of $3.4 million at December 31, 2014 that expire from 2016 through 2017. We have Idaho Investment Tax Credits of $2.9 million at December 31, 2014 that expire from 2016 through 2028.

The following table summarizes the tax years subject to examination by major taxing jurisdictions:

Jurisdiction	Years
Federal	2011	-	2014
Arkansas	2011	-	2014
Michigan	2010	-	2014
Minnesota	2010	-	2014
Idaho	2011	-	2014

As of December 31, 2014 and 2013, we had no liabilities for unrecognized tax benefits. We do not currently believe there is a reasonable possibility of recording a liability for unrecognized tax benefits within the next twelve months.

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Document and Entity Information Document (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Jan. 31, 2015	Jun. 30, 2014
Entity Information [Line Items]
Entity Registrant Name	POTLATCH CORP
Entity Central Index Key	0001338749
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Dec. 31, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		40,605,179
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 1,680.5

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Debt

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Debt

DEBT

The following table presents our long-term debt as of December 31:

(Dollars in thousands)	2014			2013
Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024	$	322,000		$	12,000
Senior Notes, 7.50%, due 2019	150,000			150,000
Revenue bonds, 5.90% to 6.95%, due 2024 and 2026	108,335			108,335
Debentures, 6.95%, due 2015	22,500			22,500
Medium-term notes, 8.75% to 8.89%, due 2016 through 2022	27,250			27,250
	630,085			320,085
Interest rate swaps	793			1,830
Less unamortized discounts	(1,535		)	(1,823		)
	629,343			320,092
Less current portion	(22,870		)	—
Long-term debt	$	606,473		$	320,092

CREDIT AGREEMENT

On August 12, 2014, we entered into an amended and restated credit agreement with an expiration date of February 12, 2020, which supersedes our previous credit agreement dated as of December 11, 2012. This new credit agreement provides for a revolving line of credit with an initial aggregate principal amount not to exceed $250 million, which may be increased by up to an additional $250 million. It also includes a sublimit of $40 million for the issuance of standby letters of credit and a sublimit of $25 million for swing line loans. Usage under either or both subfacilities reduces availability under the revolving line of credit. As of December 31, 2014, there were no borrowings outstanding under the revolving line of credit, and approximately $1.4 million of the letter of credit subfacility was being used to support several outstanding letters of credit. Available borrowing capacity at December 31, 2014 was $248.6 million.

Pricing is set according to the type of borrowing. LIBOR Loans are issued at a rate equal to the British Bankers Association LIBOR Rate, while Base Rate Loans are issued at a rate equal to the Base Rate, which is a fluctuating rate per annum equal to the highest of (a) the Federal Funds Rate plus 1/2 of 1.00%, (b) the rate of interest in effect for such day as publicly announced from time to time by KeyBank as its “prime rate,” and (c) the sum of the LIBOR that would apply to a one month Interest Period plus 1.00%. The interest rates we pay for borrowings under either type of loan include an additional Applicable Rate, which can range from 0.875% to 1.70% for LIBOR loans and from 0% to 0.70% for Base Rate loans, depending on our current credit rating. As of December 31, 2014, we were able to borrow under the bank credit facility with the additional applicable rate of 1.30% for LIBOR Loans and 0.30% for Base Rate Loans, with facility fees of 0.2% on the $250 million of the bank credit facility.

TERM LOANS

On December 5, 2014, we entered into an amended and restated term loan agreement totaling $322 million, consisting of $310 million of new term loans to fund the acquisition of timberlands in Alabama and Mississippi and$12 million of term loans that we incurred in December 2012 to fund two timberland acquisitions in Arkansas. The new debt consists of six tranches of term loans, with $40.0 million maturing each year from 2019 through 2023 and $110.0 million maturing in 2024. The first three tranches are variable rate term loans based on 3-month LIBOR plus a spread between 1.65% and 1.90%. The last three tranches are fixed rate term loans with interest rates between 4.29% and 4.64%. Our original 2012 term loans consist of two$6 million tranches, with rates of 2.95% on the 2017 maturity and 3.70% on the 2020 maturity. The term loan agreement contains the same covenants and restrictions as those in our bank credit facility.

DEBT MATURITIES

Scheduled principal payments due on long-term debt during each of the five years subsequent to December 31, 2014, are as follows:

(Dollars in thousands)
2015	$	22,500
2016	5,000
2017	11,000
2018	14,250
2019	190,000

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Equity-Based Compensation Plans (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outandsing Stock Options, Date Fully Exercisable After	2 years 0 months 0 days
Outstanding Stock Options, Number of Years Expiration Date is No Later Than	10 years 0 months 0 days
Proceeds from Issuance of Common Stock	$ 398,000	$ 1,904,000	$ 1,075,000
Performance shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	4,100,000
Weighted average period (in years)	1 year 7 months 6 days
Restricted stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	800,000
Weighted average period (in years)	1 year 6 months 0 days
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from Issuance of Common Stock	$ 400,000	$ 1,900,000	$ 1,100,000
Minimum [Member] | Performance shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares Actually Issued, as a Percent of the Amount Subject to the Performance Share Award	0.00%
Maximum [Member] | Performance shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares Actually Issued, as a Percent of the Amount Subject to the Performance Share Award	200.00%
2005 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number Of Shares Originally Authorized	1,600,000
Number of Shares Authorized	1,100,000
2014 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number Of Shares Originally Authorized	1,000,000
Number of Shares Authorized	1,100,000
Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred Stock, Shares Outstanding	122,782

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Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net gain (loss) arising during the period, Tax	$ (15,598)	$ 21,424	$ (5,968)
Prior service (cost) credit arising during the period, tax	0	0	2,159
Amortization of actuarial loss included in net periodic cost, tax	6,488	9,024	7,208
Amortization of prior service credit included in net periodic cost, tax	$ (3,468)	$ (3,482)	$ (3,343)

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Short-term Investments

12 Months Ended

Dec. 31, 2014

Short-term Investments [Abstract]

Short-term Investments

SHORT-TERM INVESTMENTS

Our short-term investments consist of diversified depository accounts, money market funds and variable rate demand obligations, all of which have very short maturity periods and therefore earn an interest rate commensurate with low-risk instruments. We classify our short-term investments as "available for sale" and there is no significant difference between cost and fair value. We do not attempt to hedge our exposure to interest rate risk for our short-term investments. All short-term investments of REIT funds are made in compliance with the requirements of the Internal Revenue Code with respect to qualifying REIT investments.

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Earnings per Share

12 Months Ended

Dec. 31, 2014

Earnings Per Share, Basic, Other Disclosures [Abstract]

Earnings per Share

EARNINGS PER SHARE

The following table reconciles the number of shares used in calculating the basic and diluted earnings per share for the years ended December 31:

(Dollars in thousands, except per-share amounts)	2014		2013		2012
Net income	$	89,910	$	70,581	$	42,594
Basic weighted-average shares outstanding	40,748,924		40,502,878		40,333,333
Incremental shares due to:
Performance shares	117,830		133,766		134,079
Restricted stock units	27,628		69,076		70,217
Stock options	—		3,567		15,520
Diluted weighted-average shares outstanding	40,894,382		40,709,287		40,553,149
Basic net income per share	$	2.21	$	1.74	$	1.06
Diluted net income per share	$	2.20	$	1.73	$	1.05
Anti-dilutive shares excluded from the calculation:
Performance shares	—		3,441		—
Restricted stock units	1,216		—		315
Total anti-dilutive shares excluded from the calculation	1,216		3,441		315

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Commitments and Contingencies

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

COMMITMENTS AND CONTINGENCIES

We have operating leases covering office space, equipment, land and vehicles expiring at various dates through 2033. As leases expire, it can be expected that certain leases will be renewed or replaced in the normal course of business.

As of December 31, 2014, the future minimum rental payments required under our operating leases are as follows:

(Dollars in thousands)
2015	$	4,211
2016	3,148
2017	1,904
2018	1,123
2019	452
2020 and thereafter	1,355
Total	$	12,193

Operating lease expense was $4.0 million, $3.6 million and $3.1 million for the years ended December 31, 2014, 2013 and 2012, respectively.

In January 2007, the Environmental Protection Agency (EPA) notified us that we are a potentially responsible party under the Comprehensive Environmental Response, Compensation and Liability Act of 1980 (CERCLA) and the Clean Water Act for cleanup of a site known as Avery Landing in northern Idaho. We own a portion of the land at the Avery Landing site, which we acquired in 1980 from the Milwaukee Railroad. The land we own at the site and adjacent properties were contaminated with petroleum as a result of the Milwaukee Railroad's operations at the site prior to 1980. We entered into a consent order with the EPA in August 2008 to conduct an Engineering Evaluation/Cost Analysis (EE/CA) study to determine the best means of addressing the contamination at the site. In January 2010, we submitted our draft EE/CA report to the EPA outlining various alternatives for addressing the contamination at the entire site. Ultimately, the EPA published a draft EE/CA report on January 26, 2011 for public comment. The public comment period closed March 11, 2011, and on July 5, 2011, the EPA issued an Action Memorandum for the Avery Landing Site selecting contaminant extraction and off-site disposal as the remedial alternative. On May 23, 2012, we signed a consent order with the EPA pursuant to which we agreed to provide $1.75 million in funding for EPA cleanup on a portion of our property (including the adjacent riverbank owned by the Idaho Department of Lands). On April 4, 2013, the EPA issued a unilateral administrative order requiring us to remediate the portion of the Avery Landing site that we own. During the first quarter of 2013, we increased our accrual by $0.75 million. We began work on the site in May 2013 and discovered more contaminant on our property than had been expected based upon previous testing, and accordingly, during the second quarter of 2013 we increased our expense by an additional $1.75 million. During the third quarter of 2013, we increased our accrual by approximately $1.0 million to reflect the final work completed on the site in September 2013. On January 23, 2014, the EPA project manager informed us that he approved our Final Completion Report dated January 17, 2014 and our Final Natural Attenuation Performance Monitoring Plan dated January 17, 2014, and we have no further obligations with regard to our property other than fulfillment of the Monitoring Plan.

The following table details our Avery Landing environmental remediation reserve balance for the years ended December 31:

(Dollars in thousands)	2014		2013
Beginning reserve balance	$	—	$	4,250
Environmental remediation charge	—		3,522
Cash payments	—		(7,772		)
Ending reserve balance	$	—	$	—

Negotiations with the EPA continue regarding a final settlement and release of EPA claims against us regarding the site, and we cannot predict at this time what additional costs, if any, that we may incur on this matter. We have reserved all of our rights to seek reimbursement for the costs of remediation from all parties potentially responsible.

We believe there is no pending or threatened litigation that would have a material adverse effect on our financial position, operations or liquidity.

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Accounts Payable and Accrued Liabilities

12 Months Ended

Dec. 31, 2014

Accounts Payable and Accrued Liabilities [Abstract]

Accounts Payable and Accrued Liabilities

ACCOUNTS PAYABLE AND ACCRUED LIABILITIES

(Dollars in thousands)	2014		2013
Wages, salaries and employee benefits	$	14,667	$	15,908
Trade accounts payable	5,656		7,702
Taxes other than income taxes	5,663		6,247
Interest	4,811		4,018
Logging related expenses	2,983		1,600
Deferred recreational lease income	1,616		880
Freight	740		802
Book overdrafts	4,385		2,920
Other	2,543		3,540
Total	$	43,064	$	43,617

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Equity-Based Compensation Plans (Summary Of Outstanding Stock Options) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at January 1, (in shares)	12,859	83,827	144,684
Shares exercised	(12,859)	(70,968)	(60,857)
Outstanding and exercisable at December 31, (in shares)	0	12,859	83,827
Outstanding at January 1, Weighted Avg. Exercise Price (in dollars per share)	$ 30.92	$ 27.46	$ 23.34
Shares exercised, Weighted Avg. Exercise Price (in dollars per share)	$ 30.92	$ 26.25	$ 17.66
Outstanding and exercisable at December 31, Weighted Avg. Exercise Price (in dollars per share)		$ 30.92	$ 27.46
Shares exercised, Aggregate Intrinsic Value	$ 150	$ 1,423	$ 938

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Timber and Timberlands

12 Months Ended

Dec. 31, 2014

Timber and Timberlands [Abstract]

Timber and Timberlands

TIMBER AND TIMBERLANDS

(Dollars in thousands)	2014		2013
Timber and timberlands	$	760,431	$	391,916
Logging roads	67,989		63,955
Total timber and timberlands	$	828,420	$	455,871

Depletion from company-owned lands totaled $14.5 million, $14.6 million and $12.9 million in 2014, 2013 and 2012, respectively. Amortization of logging roads totaled $2.8 million, $2.7 million and $2.6 million in 2014, 2013 and 2012, respectively.

On December 7, 2014, we acquired approximately 201,000 acres of timberland in Alabama and Mississippi for a total purchase price of $384 million. We borrowed $310 million of new term loans and used cash on hand to pay for the acquisition. See Note 9: Debt in the Notes to Consolidated Financial Statements. The transaction was accounted for as an asset acquisition.

Payments due under timber cutting contracts total $2.0 million, $2.6 million, $7.3 million and $2.5 million in 2015, 2016, 2017 and 2018, respectively.

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Other Long-Term Obligations (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Other Long-Term Obligations [Line Items]
Employee benefits and related liabilities	$ 8,839,000	$ 15,423,000
Cost share logging roads	5,894,000	5,759,000
Other	1,019,000	1,171,000
Other Long-Term Obligations, Total	15,752,000	22,353,000
Reclassification from employee benefits and related liabilities to stockholders' equity	$ 4,300,000

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Inventories

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Inventories

INVENTORIES

(Dollars in thousands)	2014		2013
Logs	$	7,930	$	14,975
Lumber and other manufactured wood products	17,286		15,967
Materials and supplies	6,274		5,333
	$	31,490	$	36,275
Valued at lower of cost or market:
Last-in, first-out basis	$	16,874	$	23,250
Average cost basis	14,616		13,025
Total inventories	$	31,490	$	36,275

If the last-in, first-out inventory had been carried at average cost, the values would have been approximately $11.0 million, $11.3 million, and $10.6 million higher at December 31, 2014, 2013, and 2012, respectively.

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Property, Plant and Equipment

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

PROPERTY, PLANT AND EQUIPMENT

(Dollars in thousands)	2014			2013
Land and land improvements	$	18,374		$	17,201
Buildings and structures	36,174			33,985
Machinery and equipment	176,085			171,385
Construction in progress	5,878			1,225
	236,511			223,796
Less: accumulated depreciation	(170,762		)	(163,820		)
Total property, plant and equipment	$	65,749		$	59,976

Depreciation charged against operating income totaled $8.1 million, $8.2 million and $8.8 million in 2014, 2013 and 2012, respectively.

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Other Assets

12 Months Ended

Dec. 31, 2014

Other Assets [Abstract]

Other Assets

OTHER ASSETS

Current Other Assets
(Dollars in thousands)	2014		2013
Basis of real estate held for sale	$	11,529	$	10,010
Deferred charges	1,172		1,008
Prepaid expenses	2,364		943
Total current other assets	$	15,065	$	11,961

Noncurrent Other Assets
(Dollars in thousands)	2014		2013
Deferred charges	$	6,697	$	5,668
Noncurrent investments	911		3,144
Derivative asset associated with interest rate swaps	421		1,830
Developed land	1,733		1,733
Other	599		363
Total noncurrent other assets	$	10,361	$	12,738

Deferred charges primarily consist of deferred financing costs, which are being amortized over the life of the associated debt.

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Financial Instruments and Concentration of Risk (Effect Of Derivatives on the Consolidated Statement of Operations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Derivatives designated as hedging instruments [Member] | Interest rate contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) recognized in income	$ 979		$ 960		$ 868
Derivatives designated as hedging instruments [Member] | Interest expense [Member] | Interest rate contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Realized gain (loss) on hedging instrument/derivative	979	[1]	960	[1]	868	[1]
Derivatives not designated as hedging instruments [Member] | Lumber contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) recognized in income	0		0		(876)
Derivatives not designated as hedging instruments [Member] | Cost of goods sold [Member] | Lumber contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized gain (loss) on derivative	0		0		(480)
Realized gain (loss) on hedging instrument/derivative	$ 0		$ 0		$ (396)

[1] 1 Realized gain on hedging instrument consists of net cash settlements and interest accruals on the interest rate swaps during the period.

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Segment Information (Summary Of Information By Business Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013		Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Segment Reporting Information [Line Items]
Number of Reportable Segments											3
Segment Revenues	$ 146,237		$ 177,215	$ 143,919	$ 139,579	$ 139,955		$ 157,869	$ 133,212	$ 139,253	$ 606,950		$ 570,289		$ 525,134
Operating Income											109,597		84,466		59,403
Operating Income	26,603		44,869	29,725	31,309	20,645		30,904	29,441	26,608	132,506		107,598		84,942
Interest expense, net											(22,909)		(23,132)		(25,539)
Depreciation, depletion and amortization											26,749		26,962		26,247
Basis of real estate sold											8,646		2,904		5,048
Assets	1,035,421					680,530					1,035,421		680,530		718,897
Capital Expenditures											24,232	[1]	22,593	[1]	17,410	[1]
Operating Segments [Member]
Segment Reporting Information [Line Items]
Segment Revenues											669,280		630,403		575,488
Operating Income											164,173		149,676		121,994
Depreciation, depletion and amortization											24,082		24,353		23,020
Assets	966,547					592,292					966,547		592,292		577,461
Capital Expenditures											23,667	[1]	21,462	[1]	16,565	[1]
Resource [Member]
Segment Reporting Information [Line Items]
Segment Revenues											252,581		238,228		207,846
Operating Income											84,976		73,425		49,543
Depreciation, depletion and amortization											17,847		18,103		16,446
Real Estate [Member]
Segment Reporting Information [Line Items]
Segment Revenues											40,460		26,160		38,238
Operating Income											26,945		18,266		28,056
Depreciation, depletion and amortization											59		56		36
Basis of real estate sold											9,355		3,536		5,413
Resource and Real Estate [Member]
Segment Reporting Information [Line Items]
Assets	847,873	[2]				476,628	[2]				847,873	[2]	476,628	[2]	477,271	[2]
Capital Expenditures											11,116	[1]	12,449	[1]	12,138	[1]
Wood Products [Member]
Segment Reporting Information [Line Items]
Segment Revenues											376,239		366,015		329,404
Operating Income											52,442		58,892		45,456
Depreciation, depletion and amortization											6,176		6,194		6,538
Assets	118,674					115,664					118,674		115,664		100,190
Capital Expenditures											12,551	[1]	9,013	[1]	4,427	[1]
Eliminations and Adjustments [Member]
Segment Reporting Information [Line Items]
Segment Revenues											(62,330)	[3]	(60,114)	[3]	(50,354)	[3]
Operating Income											(190)		(907)		(1,061)
Basis of real estate sold											(709)		(632)		(365)
Corporate Elimination [Member]
Segment Reporting Information [Line Items]
Operating Income											(31,667)		(42,078)		(37,052)
Depreciation, depletion and amortization											2,667		2,609		3,227
Assets	68,874					88,238					68,874		88,238		141,436
Capital Expenditures											$ 565	[1]	$ 1,131	[1]	$ 845	[1]

[1] Excludes acquisition of timber and timberlands.

[2] Assets are shown on a combined basis for the Resource and Real Estate segments, as we do not produce information separately for those segments for internal purposes.

[3] ntersegment revenues for 2012-2014, which were based on prevailing market prices, consisted of logs sold by our Resource segment to the Wood Products segment.

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Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Change in Benefit Obligation, Plan Assets and Funded Status for Company-Sponsored Benefit Plans and Obligations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets	$ 337,059	$ 350,588
Amounts recognized in the consolidated balance sheets [Abstract]
Current Liabilities	6,260	6,701
Noncurrent Liabilities	115,936	83,619
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit Obligation	(393,565)	(445,535)
Service Cost	(5,081)	(5,318)	(5,238)
Interest Cost	(19,184)	(17,826)	(19,986)
Plan Amendments	0	0
Actuarial Loss (Gain)	(49,990)	41,178
Benefits Paid	50,126	33,936
Benefit Obligation	(417,694)	(393,565)	(445,535)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets	350,588	345,633
Actual Return on Plan Assets	31,280	37,157
Employer contributions and benefit payments	5,317	1,734
Fair Value of Plan Assets	337,059	350,588	345,633
Amounts recognized in the consolidated balance sheets [Abstract]
Current Liabilities	(1,774)	(1,772)
Noncurrent Liabilities	(78,861)	(41,205)
Funded Status of Plan	(80,635)	(42,977)
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit Obligation	(47,343)	(52,033)
Service Cost	(25)	(94)	(284)
Interest Cost	(1,741)	(1,810)	(2,478)
Plan Amendments	0	0
Actuarial Loss (Gain)	3,229	2,692
Benefits Paid	4,319	3,902
Benefit Obligation	(41,561)	(47,343)	(52,033)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets	0	0
Actual Return on Plan Assets	0	0
Employer contributions and benefit payments	4,319	3,902
Fair Value of Plan Assets	0	0	0
Amounts recognized in the consolidated balance sheets [Abstract]
Current Liabilities	(4,486)	(4,929)
Noncurrent Liabilities	(37,075)	(42,414)
Funded Status of Plan	$ (41,561)	$ (47,343)

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Financial Instruments and Concentration of Risk (Fair Values of Derivative Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Fair Value of Derivative Assets	$ 421	$ 1,830
Derivatives designated as hedging instruments [Member]
Derivatives, Fair Value [Line Items]
Fair Value of Derivative Assets	793	1,830
Other non-current assets [Member] | Derivatives designated as hedging instruments [Member] | Interest rate contracts [Member]
Derivatives, Fair Value [Line Items]
Fair Value of Derivative Assets	$ 793	$ 1,830

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Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The following table presents our long-term debt as of December 31:

(Dollars in thousands)	2014			2013
Term loans, variable rate 1.88% to 2.13% due 2019 through 2021 and fixed rate 2.95% to 4.64% due 2017 through 2024	$	322,000		$	12,000
Senior Notes, 7.50%, due 2019	150,000			150,000
Revenue bonds, 5.90% to 6.95%, due 2024 and 2026	108,335			108,335
Debentures, 6.95%, due 2015	22,500			22,500
Medium-term notes, 8.75% to 8.89%, due 2016 through 2022	27,250			27,250
	630,085			320,085
Interest rate swaps	793			1,830
Less unamortized discounts	(1,535		)	(1,823		)
	629,343			320,092
Less current portion	(22,870		)	—
Long-term debt	$	606,473		$	320,092

Schedule of Maturities of Long-term Debt

Scheduled principal payments due on long-term debt during each of the five years subsequent to December 31, 2014, are as follows:

(Dollars in thousands)
2015	$	22,500
2016	5,000
2017	11,000
2018	14,250
2019	190,000

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Income Taxes (Schedule of Income Tax Provision (Benefit)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Current	$ 21,205	$ 16,352	$ 292
Deferred	(2,143)	(2,754)	8,197
Net operating loss carryforwards	625	287	8,320
Income taxes	$ 19,687	$ 13,885	$ 16,809

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Financial Instruments and Concentration of Risk

12 Months Ended

Dec. 31, 2014

Derivative Instrument Detail [Abstract]

Financial Instruments and Concentration of Risk

FINANCIAL INSTRUMENTS AND CONCENTRATION OF RISK

FAIR VALUE OF FINANCIAL INSTRUMENTS

Estimated fair values of our financial instruments as of December 31 are as follows:

	2014				2013
(Dollars in thousands)	CARRYING AMOUNT		FAIR VALUE		CARRYING AMOUNT		FAIR VALUE
Cash and short-term investments (Level 1)	$	31,012	$	31,012	$	57,837	$	57,837
Net derivative asset related to interest rate swaps (Level 2)	793		793		1,830		1,830
Long-term debt (including current portion of long-term debt and fair value adjustments related to fair value swaps) (Level 2)	629,343		657,943		320,092		347,869
Company owned life insurance (COLI) (Level 3)	877		877		3,110		3,110

A framework has been established for measuring fair value, which provides a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The three levels of the fair value hierarchy are described below.

Level 1 Inputs to the valuation methodology are unadjusted quoted prices for identical assets or liabilities in active markets.

Level 2 Inputs to the valuation methodology include:

• Quoted prices for similar assets or liabilities in active markets;

• Quoted prices for identical or similar assets or liabilities in inactive markets;

• Inputs other than quoted prices that are observable for the asset or liability; and

• Inputs that are derived principally from or corroborated by observable market data by correlation or other means.

If the asset or liability has a specified (contractual) term, the Level 2 input must be observed for substantially the full term of the asset or liability.

Level 3 Inputs to the valuation methodology are unobservable and significant to the fair value measurement.

The fair value measurement level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement. Valuation techniques used need to maximize the use of observable inputs and minimize the use of unobservable inputs.

For cash and short-term investments, the carrying amount approximates fair value due to the short-term nature of these financial instruments. The fair value of the interest rate swaps was determined using discounted cash flow analysis on the expected cash flows of each derivative. The analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate forward curves. The fair value of our long-term debt is estimated based upon the quoted market prices for the same or similar debt issues, or estimated based on average market prices for comparable debt when there is no quoted market price. Contract value of our COLI, the amount at which it could be redeemed, is used as a practical expedient to estimate fair value because market prices are not readily available.

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES

We record all derivatives on our balance sheet at fair value. Derivatives designated and qualifying as a hedge of the exposure to changes in the fair value of an asset, liability, or firm commitment attributable to a particular risk, such as interest rate risk, are considered fair value hedges. Hedge accounting generally provides for the matching of the timing of gain or loss recognition on the hedging instrument with the recognition of the changes in the fair value of the hedged asset or liability that is attributable to the hedged risk in a fair value hedge.

We formally document all relationships between hedging instruments and hedged items, as well as the risk-management objective and strategy for undertaking various hedge transactions.

FAIR VALUE HEDGES OF INTEREST RATE RISK

As of December 31, 2014, we had seven separate interest rate swaps with notional amounts totaling $96.75 million associated with our $22.5 million debentures, $24.25 million of our medium-term notes and $50.0 million of our senior notes. The swaps convert interest payments with fixed rates ranging between 6.95% and 8.89% to a variable rate of 3-month LIBOR plus a spread between 4.738% and 6.518%. The interest rate swaps terminate at various dates between December 2015 and November 2019.

NON-DESIGNATED LUMBER SWAP

Derivatives not designated as hedges were not speculative and have been used occasionally to manage our exposure to commodity price movements, but did not meet the strict hedge accounting requirements. In February 2012, we entered into two commodity swap contracts that settled during the second quarter of 2012. In September 2011, we entered into two commodity swap contracts that settled in February 2012. Changes in the fair value of derivatives not designated in hedging relationships were recorded directly in net income. There were no outstanding lumber swap contracts at December 31, 2014 or 2013.

BALANCE SHEET AND INCOME EFFECTS OF DERIVATIVES

The fair values of derivative instruments on our Consolidated Balance Sheets as of December 31 are as follows:

	DERIVATIVE ASSETS
		2014		2013
(Dollars in thousands)	BALANCE SHEET LOCATION	FAIR VALUE		FAIR VALUE
Derivatives designated as hedging instruments:
Interest rate contracts	Other noncurrent assets	$	793	$	1,830
Total derivatives designated as hedging instruments		$	793	$	1,830

The effect of derivatives on the Consolidated Statements of Income for the years ended December 31, 2014, 2013 and 2012 are as follows:

	LOCATION OF GAIN (LOSS) RECOGNIZED  IN INCOME	AMOUNT OF GAIN (LOSS) RECOGNIZED IN INCOME
(Dollars in thousands)		2014		2013		2012
Derivatives designated in fair value hedging relationships:
Interest rate contracts
Realized gain on hedging instrument1	Interest expense	$	979	$	960	$	868
Net gain recognized in income from fair value hedges		$	979	$	960	$	868
Derivatives not designated as hedging instruments:
Lumber contracts
Unrealized loss on derivative	Cost of goods sold	$	—	$	—	$	(480	)
Realized loss on derivative	Cost of goods sold	—		—		(396		)
Net loss recognized in income from derivatives not designated as hedging instruments		$	—	$	—	$	(876	)

¹  Realized gain on hedging instrument consists of net cash settlements and interest accruals on the interest rate swaps during the period.

CONCENTRATION OF RISK

One customer accounted for slightly more than 10% of our revenues in the years ended December 31, 2014, 2013 and 2012.

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Financial Results by Quarter

12 Months Ended

Dec. 31, 2014

Quarterly Financial Data [Abstract]

Financial Results by Quarter

FINANCIAL RESULTS BY QUARTER (UNAUDITED)

	THREE MONTHS ENDED
(Dollars in thousands, except per-share amounts)	MARCH 31				JUNE 30				SEPTEMBER 30				DECEMBER 31
	2014		2013		2014		2013		2014		2013		2014		2013
Revenues	$	139,579	$	139,253	$	143,919	$	133,212	$	177,215	$	157,869	$	146,237	$	139,955
Operating income	31,309		26,608		29,725		29,441		44,869		30,904		26,603		20,645
Net income	20,350		15,487		16,270		19,182		33,154		22,191		20,136		13,721
Net income per share1
Basic	$	0.50	$	0.38	$	0.40	$	0.47	$	0.81	$	0.55	$	0.49	$	0.34
Diluted	0.50		0.38		0.40		0.47		0.81		0.54		0.49		0.34

¹   Per-share amounts are computed independently for each of the quarters presented. Therefore, the sum of the quarterly per-share amounts may not equal the total computed for the year.

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Other Assets (Current and Noncurrent Other Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Other Assets [Abstract]
Basis of real estate held for sale	$ 11,529	$ 10,010
Deferred charges	1,172	1,008
Prepaid expenses	2,364	943
Total current other assets	15,065	11,961
Deferred charges	6,697	5,668
Noncurrent investments	911	3,144
Derivative asset associated with interest rate swaps	421	1,830
Developed land	1,733	1,733
Other	599	363
Total noncurrent other assets	$ 10,361	$ 12,738

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Segment Information (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting Information, Additional Information [Abstract]

Summary of Information by Business Segment

The following table presents business segment information for each of the past three years. Corporate information is included to reconcile segment data to the Consolidated Financial Statements.

(Dollars in thousands)	2014			2013			2012
Revenues:
Resource	$	252,581		$	238,228		$	207,846
Wood Products	376,239			366,015			329,404
Real Estate	40,460			26,160			38,238
	669,280			630,403			575,488
Elimination of intersegment revenues - Resource1	(62,330		)	(60,114		)	(50,354		)
Total consolidated revenues	$	606,950		$	570,289		$	525,134
Operating Income:
Resource	$	84,976		$	73,425		$	49,543
Wood Products	52,442			58,892			45,456
Real Estate	26,945			18,266			28,056
Eliminations and adjustments	(190		)	(907		)	(1,061		)
	164,173			149,676			121,994
Corporate	(31,667		)	(42,078		)	(37,052		)
Operating income	132,506			107,598			84,942
Interest expense, net	(22,909		)	(23,132		)	(25,539		)
Income before income taxes	$	109,597		$	84,466		$	59,403
Depreciation, depletion and amortization:
Resource	$	17,847		$	18,103		$	16,446
Wood Products	6,176			6,194			6,538
Real Estate	59			56			36
	24,082			24,353			23,020
Corporate	2,667			2,609			3,227
Total depreciation, depletion and amortization	$	26,749		$	26,962		$	26,247
Basis of real estate sold:
Real Estate	$	9,355		$	3,536		$	5,413
Elimination and adjustments	(709		)	(632		)	(365		)
Total basis of real estate sold	$	8,646		$	2,904		$	5,048
Assets:
Resource and Real Estate2	$	847,873		$	476,628		$	477,271
Wood Products	118,674			115,664			100,190
	966,547			592,292			577,461
Corporate	68,874			88,238			141,436
Total consolidated assets	$	1,035,421		$	680,530		$	718,897
Capital Expenditures:3
Resource and Real Estate	$	11,116		$	12,449		$	12,138
Wood Products	12,551			9,013			4,427
	23,667			21,462			16,565
Corporate	565			1,131			845
Total capital expenditures	$	24,232		$	22,593		$	17,410

¹   Intersegment revenues for 2012-2014, which were based on prevailing market prices, consisted of logs sold by our Resource segment to the Wood Products segment.

²  Assets are shown on a combined basis for the Resource and Real Estate segments, as we do not produce information separately for those segments for internal purposes.

³  Excludes acquisition of timber and timberlands.

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area

All of our wood products facilities and all other assets are located within the continental United States. We sell and ship products to Canada and Mexico. Geographic information regarding our revenues is summarized as follows:

(Dollars in thousands)	2014		2013		2012
United States	$	601,738	$	558,138	$	516,466
Canada	2,618		9,645		5,180
Mexico	2,594		2,506		3,488
Total consolidated revenues	$	606,950	$	570,289	$	525,134

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Consolidated Condensed Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash	$ 4,644	$ 5,586
Short-term investments	26,368	52,251
Receivables, net of allowance for doubtful accounts of $450	9,928	16,572
Inventories	31,490	36,275
Deferred tax assets	6,168	7,724
Other assets	15,065	11,961
Total current assets	93,663	130,369
Property, plant and equipment, net	65,749	59,976
Timber and timberlands, net	828,420	455,871
Deferred tax assets	37,228	21,576
Other assets	10,361	12,738
Total assets	1,035,421	680,530
Current liabilities:
Current portion of long-term debt	22,870	0
Current liability for pensions and other postretirement employee benefits	6,260	6,701
Accounts payable and accrued liabilities	43,064	43,617
Total current liabilities	72,194	50,318
Long-term debt	606,473	320,092
Liability for pensions and other postretirement employee benefits	115,936	83,619
Other long-term obligations	15,752	22,353
Total liabilities	810,355	476,382
Stockholders’ equity:
Preferred stock, authorized 4,000,000 shares, no shares issued	0	0
Common stock, $1 par value, authorized 100,000,000 shares, issued 40,605,179 and 40,536,879 shares	40,605	40,537
Additional paid-in capital	346,441	337,887
Accumulated deficit	(43,588)	(75,556)
Accumulated other comprehensive loss, net of tax of $(77,586) and $(64,868)	(118,392)	(98,720)
Total stockholders’ equity	225,066	204,148
Total liabilities and stockholders' equity	$ 1,035,421	$ 680,530

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Summary of Principal Accounting Policies

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Summary of Principle Accounting Policies

SUMMARY OF PRINCIPAL ACCOUNTING POLICIES

CONSOLIDATION

The Consolidated Financial Statements include the accounts of Potlatch Corporation and its subsidiaries after elimination of significant intercompany transactions and accounts. There are no significant unconsolidated subsidiaries.

We are primarily engaged in activities associated with timberland management, including the sale of timber, the management of approximately 1.6 million acres of timberlands and the purchase and sale of timberlands. We are also engaged in the manufacture and sale of wood products. Our timberlands and all of our wood products facilities are located within the continental United States. The primary market for our products is the United States. We converted to a Real Estate Investment Trust (REIT) effective January 1, 2006.

SIGNIFICANT ESTIMATES

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America, which we refer to in this report as U.S. GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates and assumptions.

Significant estimates are described in further detail in the Notes to Consolidated Financial Statements. Significant estimates include timber volumes, assumptions utilized for asset and disposal group impairment tests, income projections and tax planning strategies used to support realization of deferred tax assets, environmental liabilities, pension and postretirement obligation assumptions and fair value of derivative instruments.

EQUITY-BASED COMPENSATION

Equity-based awards are measured at fair value on the dates they are granted or modified. These measurements establish the cost of the equity-based awards for accounting purposes. The cost of the equity-based award is then recognized in the Consolidated Statements of Income over each employee’s required service period. See Note 15: Equity-Based Compensation Plans for more information about our equity-based compensation.

INVENTORIES

Inventories are stated at the lower of cost or market. The last-in, first-out method is used to determine cost of logs, lumber and plywood for most of our operations. The average cost method is used to determine cost of all other inventories. Expenses associated with idle capacity or other curtailments of production are reflected in cost of goods sold in the periods incurred.

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment are valued at cost less accumulated depreciation. Depreciation of buildings, equipment and other depreciable assets is determined using the straight-line method of depreciation. Estimated useful lives range from 30 to 40 years for buildings and structures and 2 to 25 years for equipment.

Major improvements and replacements of property are capitalized. Maintenance, repairs, and minor improvements and replacements are expensed. Upon retirement or other disposition of property, applicable cost and accumulated depreciation or amortization are removed from the accounts. Any gains or losses are included in earnings.

TIMBER AND TIMBERLANDS

Timber and timberlands are valued at cost less accumulated depletion and amortization. For fee timber, the capitalized cost includes costs related to stand establishment, including costs of preparing the land for planting, cost of seeds or seedlings, and tree planting, including labor, materials, depreciation of company-owned equipment and the cost of contract services. Upon completion of planting activities and field inspection to assure the planting operation was successful, a plantation will be considered “established.” Subsequent expenditures made to maintain the integrity or enhance the growth of an established plantation or stand are expensed. Post-establishment expenses include release spray treatments, pest control activities, thinning operations, fertilization and replanting seedlings lost through mortality. Expenditures for forest management consist of regularly recurring items necessary for ownership and administration of timber producing property such as fire protection, property taxes and insurance, silviculture costs incurred subsequent to stand establishment, cruising (physical inventory), property maintenance and salaries, supplies, travel, record-keeping and other normal recurring administrative personnel costs. These expenditures are accounted for as current operating expenses. Timberland acquisitions are capitalized and the cost is allocated to timberland, merchantable sawlogs, merchantable pulpwood, reproduction (young growth not merchantable), logging roads and other land improvements, generally based on relative appraised values.

The aggregate estimated volume of current standing merchantable timber inventory is updated at least annually to reflect increases due to reclassification of young growth to merchantable timber when the young growth meets defined diameter specifications, the annual growth of merchantable timber and the acquisition of additional merchantable timber, and to reflect decreases due to timber harvests and land sales. Timber volumes are estimated from cruises of the timber tracts, which are completed on our timberlands on approximately a five to ten year cycle. Since the individual cruises collect field data at different times for specific sites, the growth model projects standing inventory from the cruise date to a common reporting date. Annual growth rates for the merchantable inventory have historically been in the range of 2%-5% in the North and 6%-9% in the South.

Depletion represents the amount charged to expense as fee timber is harvested. Rates at which timber is depleted are calculated annually for each of our Resource regions by dividing the beginning of year balance of the timber accounts by the forest inventory volume, after inventory updates for growth projection adjustments and new timber cruises.

The base cost of logging roads, such as the clearing, grading, and ditching, is not amortized and remains a capitalized item until obliteration or other disposition, while other portions of the initial cost, such as bridges, culverts and gravel surfacing are amortized over their useful lives, which range from 5 to 20 years. Costs associated with temporary logging roads that will not remain part of our road system are expensed as incurred.

REAL ESTATE SALES

Sales of non-core timberland are considered to be part of our normal operations. We therefore classify revenue and costs associated with real estate sold in revenues and cost of goods sold, respectively, in our Consolidated Statements of Income. Cash generated from real estate sales is included as an operating activity in our Consolidated Statements of Cash Flows.

LIKE-KIND EXCHANGES AND RESTRICTED CASH

In order to acquire and sell assets, primarily timberlands, in a tax efficient manner, we sometimes enter into like-kind exchange (LKE) tax-deferred transactions. There are two main types of LKE transactions: forward transactions, in which property is sold and the proceeds are reinvested by acquiring similar property; and reverse

transactions, in which property is acquired and similar property is subsequently sold by us. Both forward and reverse transactions must be completed within prescribed time periods under Internal Revenue Code section 1031.

We use a qualified intermediary to facilitate LKE transactions. Proceeds from forward transactions are held by the intermediary and are classified as restricted cash within non-current other assets, because we intend to reinvest the the funds in similar properties. If the acquisition of suitable LKE properties is not completed within 180 days of the sale of the company-owned property, the proceeds are distributed to us by the intermediary and are reclassified as available cash and applicable income taxes are determined. In the case of reverse transactions in which we have not yet completed LKE sales of company-owned land to match with property purchased on our behalf by the intermediary, the amount associated with the property purchased on our behalf but not yet matched with LKE sales is classified as a non-current asset and included in “Timber and timberlands, net” in our Consolidated Balance Sheets and as “Additions to timber and timberlands” in the investing activities section of our Consolidated Statements of Cash Flows.

LONG-LIVED ASSETS

Our long-lived assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable, as measured by its undiscounted estimated future cash flows. We use our operational budgets to estimate future cash flows. The estimates are adjusted periodically to reflect changing business conditions. Impaired assets are written down to fair value. Assets to be disposed of are reported at the lower of carrying amount or fair value less cost to sell.

We recognize a liability and an asset equal to the fair value of our legal obligations to perform asset retirement activities if the amount can be reasonably estimated. Our primary obligations relate to asbestos located within our manufacturing facilities and a landfill site. We have recorded assets and corresponding liabilities that are not material to our financial position or results of operations. We have also identified situations that would have resulted in the recognition of additional asset retirement obligations, except for an inability to reasonably estimate the fair value of the liability. Most of these situations relate to asbestos located within our manufacturing facilities where a settlement date or range of settlement dates cannot be specified. We review these obligations annually and do not expect them to have a material effect on our financial position, results of operations or cash flows.

INCOME TAXES

We use the asset and liability method of accounting for income taxes. Under this method, deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the financial statement carrying amounts of assets and liabilities and their respective tax bases, operating loss carryforwards and tax credit carryforwards. Deferred tax assets and liabilities are measured pursuant to tax laws using rates expected to apply to taxable income in the years in which the temporary differences are expected to be recovered or settled. We recognize the effect of a change in income tax rates on deferred tax assets and liabilities in the Consolidated Statements of Income and Consolidated Statements of Comprehensive Income in the period that includes the enactment date of the rate change. We record a valuation allowance to reduce the carrying amounts of deferred tax assets if it is more likely than not that such deferred tax assets will not be realized.

REVENUE RECOGNITION

We recognize revenue from the sale of timber when risk of loss transfers to the buyer and the quantity sold is determinable. These sales take the form of delivered logs, pay-as-cut contracts, timber deeds and lump sum contracts. On delivered log sales, revenue, which includes amounts billed for logging and hauling, is recognized at the point that logs are delivered and scaled. Revenue is recognized on timber deeds and lump sum contracts generally upon closing or when the contracts are effective, which is the point at which the buyer assumes risk of loss associated with the standing timber.

We receive cash consideration in full and recognize revenue at closing on substantially all our real estate sales.

We recognize revenue from the sale of manufactured wood products and residual by-products when there is persuasive evidence of a sales agreement, the price to the customer is fixed and determinable, collection is reasonably assured, and title and the risk of loss passes to the customer. Shipping terms generally indicate when title and the risk of loss have passed. Revenue is recognized at shipment for sales when shipping terms are FOB (free on board) shipping point. For sales where shipping terms are FOB destination, revenue is recognized when the goods are received by the customer.

Revenue is recognized net of any sales taxes collected. Sales taxes, when collected, are recorded as a current liability and remitted to the appropriate governmental entities.

PROSPECTIVE ACCOUNTING PRONOUNCEMENTS

In May 2014, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2014-09, Revenue from Contracts with Customers. This update was issued as Accounting Standards Codification Topic 606. The core principle of this amendment is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 is effective for annual reporting periods beginning after December 15, 2016, including interim periods within that reporting period, with earlier adoption not permitted. The guidance permits two implementation approaches, one requiring retrospective application of the new standard with restatement of prior years and one requiring prospective application of the new standard with disclosure of results under old standards. The adoption of this guidance is not expected to have a significant effect on our consolidated financial statements.

SHIPPING AND HANDLING COSTS

Costs for shipping and handling are included in cost of goods sold in our Consolidated Statements of Income.

XML

Debt (Scheduled Payments Due on Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Long-term Debt, Fiscal Year Maturity [Abstract]
2015	$ 22,500
2016	5,000
2017	11,000
2018	14,250
2019	$ 190,000

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Equity-Based Compensation Plans (Fair Value Of Performance Share Awards) (Details) (Performance shares [Member], USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Performance shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)	87,441	83,111	85,028
Stock price as of valuation date (in dollars per share)	$ 39.76	$ 45.31	$ 31.11
Risk-free rate	0.72%	0.40%	0.40%
Fair value of a performance share (in dollars per share)	$ 45.57	$ 62.78	$ 34.24

XML

Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Fair Value Measurements) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Fair Value of Plan Assets	$ 337,059		$ 350,588
Cash and Cash Equivalents [Member]
Cash and Equivalents	6,586		9,673
Equity Securities [Member]
U.S. Large Cap			32,304	[1]
U.S. Small Mid Cap	1,136	[2]	19,053	[2]
International Companies	13,782		34,773
Mutual Funds [Member]
Mutual Funds	226,710	[3]	185,505	[4]
Percent Invested in High-Quality Intermediate and Long-Term Investment Grade Securities	72.00%		50.00%
Percent Invested in Diversified Portfolio of Fixed-Income Instruments of Varying Maturities	22.00%		50.00%
Defined Benefit Plan, Fair Vale Measurements, Mutual Funds, Percent Invested in US Small/Mid Cap Equities that Track Russell 2500 Growth Index	6.00%
Investments [Member]
U.S. Large Cap			30,005	[5]
Developed Markets	29,879	[6]	17,401	[7]
Emerging Markets	28,961	[8]	41,300	[8]
Hedge Funds [Member]
Hedge Funds			10,579	[9]
Percent Invested in Long/Short and Event-Driven Equity			37.00%
Percent Invested in Long and Short Credit			24.00%
Percent in Relative Value			11.00%
Percent Invested in Distressed Debt			10.00%
Defined Benefit Plan, Fair Value Investments, Hedge Funds, Percent Invested in Convertible Bond Hedging			6.00%
Percent in Other Investments			13.00%
Level 1 [Member]
Cash and Equivalents	31,012		57,837
Fair Value of Plan Assets	248,214		281,308
Level 1 [Member] | Cash and Cash Equivalents [Member]
Cash and Equivalents	6,586		9,673
Level 1 [Member] | Equity Securities [Member]
U.S. Large Cap			32,304	[1]
U.S. Small Mid Cap	1,136	[2]	19,053	[2]
International Companies	13,782		34,773
Level 1 [Member] | Mutual Funds [Member]
Mutual Funds	226,710	[3]	185,505	[4]
Level 1 [Member] | Investments [Member]
U.S. Large Cap			0	[5]
Developed Markets	0	[6]	0	[7]
Emerging Markets	0	[8]	0	[8]
Level 1 [Member] | Hedge Funds [Member]
Hedge Funds			0	[9]
Level 2 [Member]
Fair Value of Plan Assets	88,845		58,701
Level 2 [Member] | Cash and Cash Equivalents [Member]
Cash and Equivalents	0		0
Level 2 [Member] | Equity Securities [Member]
U.S. Large Cap			0	[1]
U.S. Small Mid Cap	0	[2]	0	[2]
International Companies	0		0
Level 2 [Member] | Mutual Funds [Member]
Mutual Funds		[3]	0	[4]
Level 2 [Member] | Investments [Member]
U.S. Large Cap			30,005	[5]
Developed Markets	29,879	[6]	17,401	[7]
Emerging Markets	28,961	[8]	41,300	[8]
Level 2 [Member] | Hedge Funds [Member]
Hedge Funds			0	[9]
Level 3 [Member]
Fair Value of Plan Assets	0		10,579
Level 3 [Member] | Cash and Cash Equivalents [Member]
Cash and Equivalents	0		0
Level 3 [Member] | Equity Securities [Member]
U.S. Large Cap			0	[1]
U.S. Small Mid Cap	0	[2]	0	[2]
International Companies	0		0
Level 3 [Member] | Mutual Funds [Member]
Mutual Funds	0	[3]	0	[4]
Level 3 [Member] | Investments [Member]
U.S. Large Cap			0	[5]
Developed Markets	0	[6]	0	[7]
Emerging Markets	0	[8]	0	[8]
Level 3 [Member] | Hedge Funds [Member]
Hedge Funds			$ 10,579	[9]

[1] These are managed investments in US large cap equities that track the Russell 1000 Value index.

[2] These are managed investments in US small/mid cap equities that track the Russell 2500 Growth index.

[3] The mutual funds were 72% invested in high-quality intermediate and long-term investment grade securities, 22% invested in a diversified portfolio of fixed-income instruments of varying maturities, which may be represented by forwards or derivatives such as options, futures contracts or swap agreements and debt securities, and 6% invested in US small/mid cap equities that track the Russell 2500 Growth index.

[4] The mutual funds were 50% invested in high-quality intermediate and long-term investment grade securities and 50% invested in a diversified portfolio of fixed-income instruments of varying maturities, which may be represented by forwards or derivatives such as options, futures contracts or swap agreements and debt securities.

[5] These collective investments are invested in US large cap equities that track the S&P 500.

[6] These collective investments are invested in equity funds of developed markets outside of the US & Canada, that track the MSCI EAFE Value or MSCI EAFE Growth index.

[7] These collective investments are invested in equity funds of developed markets outside of the US & Canada, that track the MSCI EAFE index.

[8] These collective investments are invested in equity funds of emerging markets outside of the US & Canada, that track the MSCI Emerging Markets index.

[9] The hedge funds are 37% invested in long/short and event-driven equity, 24% invested in long and short credit, 11% in relative value, 10% invested in distressed debt, 6% invested in convertible bond hedging, with the remaining 13% in other investments.

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Summary of Principal Accounting Policies Summary of Principal Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Consolidation

CONSOLIDATION

The Consolidated Financial Statements include the accounts of Potlatch Corporation and its subsidiaries after elimination of significant intercompany transactions and accounts. There are no significant unconsolidated subsidiaries.

We are primarily engaged in activities associated with timberland management, including the sale of timber, the management of approximately 1.6 million acres of timberlands and the purchase and sale of timberlands. We are also engaged in the manufacture and sale of wood products. Our timberlands and all of our wood products facilities are located within the continental United States. The primary market for our products is the United States. We converted to a Real Estate Investment Trust (REIT) effective January 1, 2006.

Significant Estimates

SIGNIFICANT ESTIMATES

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America, which we refer to in this report as U.S. GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates and assumptions.

Significant estimates are described in further detail in the Notes to Consolidated Financial Statements. Significant estimates include timber volumes, assumptions utilized for asset and disposal group impairment tests, income projections and tax planning strategies used to support realization of deferred tax assets, environmental liabilities, pension and postretirement obligation assumptions and fair value of derivative instruments.

Equity-Based Compensation

EQUITY-BASED COMPENSATION

Equity-based awards are measured at fair value on the dates they are granted or modified. These measurements establish the cost of the equity-based awards for accounting purposes. The cost of the equity-based award is then recognized in the Consolidated Statements of Income over each employee’s required service period. See Note 15: Equity-Based Compensation Plans for more information about our equity-based compensation.

Inventories

INVENTORIES

Inventories are stated at the lower of cost or market. The last-in, first-out method is used to determine cost of logs, lumber and plywood for most of our operations. The average cost method is used to determine cost of all other inventories. Expenses associated with idle capacity or other curtailments of production are reflected in cost of goods sold in the periods incurred.

Property, Plant and Equipment

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment are valued at cost less accumulated depreciation. Depreciation of buildings, equipment and other depreciable assets is determined using the straight-line method of depreciation. Estimated useful lives range from 30 to 40 years for buildings and structures and 2 to 25 years for equipment.

Major improvements and replacements of property are capitalized. Maintenance, repairs, and minor improvements and replacements are expensed. Upon retirement or other disposition of property, applicable cost and accumulated depreciation or amortization are removed from the accounts. Any gains or losses are included in earnings.

Timber and Timberland

TIMBER AND TIMBERLANDS

Timber and timberlands are valued at cost less accumulated depletion and amortization. For fee timber, the capitalized cost includes costs related to stand establishment, including costs of preparing the land for planting, cost of seeds or seedlings, and tree planting, including labor, materials, depreciation of company-owned equipment and the cost of contract services. Upon completion of planting activities and field inspection to assure the planting operation was successful, a plantation will be considered “established.” Subsequent expenditures made to maintain the integrity or enhance the growth of an established plantation or stand are expensed. Post-establishment expenses include release spray treatments, pest control activities, thinning operations, fertilization and replanting seedlings lost through mortality. Expenditures for forest management consist of regularly recurring items necessary for ownership and administration of timber producing property such as fire protection, property taxes and insurance, silviculture costs incurred subsequent to stand establishment, cruising (physical inventory), property maintenance and salaries, supplies, travel, record-keeping and other normal recurring administrative personnel costs. These expenditures are accounted for as current operating expenses. Timberland acquisitions are capitalized and the cost is allocated to timberland, merchantable sawlogs, merchantable pulpwood, reproduction (young growth not merchantable), logging roads and other land improvements, generally based on relative appraised values.

The aggregate estimated volume of current standing merchantable timber inventory is updated at least annually to reflect increases due to reclassification of young growth to merchantable timber when the young growth meets defined diameter specifications, the annual growth of merchantable timber and the acquisition of additional merchantable timber, and to reflect decreases due to timber harvests and land sales. Timber volumes are estimated from cruises of the timber tracts, which are completed on our timberlands on approximately a five to ten year cycle. Since the individual cruises collect field data at different times for specific sites, the growth model projects standing inventory from the cruise date to a common reporting date. Annual growth rates for the merchantable inventory have historically been in the range of 2%-5% in the North and 6%-9% in the South.

Depletion represents the amount charged to expense as fee timber is harvested. Rates at which timber is depleted are calculated annually for each of our Resource regions by dividing the beginning of year balance of the timber accounts by the forest inventory volume, after inventory updates for growth projection adjustments and new timber cruises.

The base cost of logging roads, such as the clearing, grading, and ditching, is not amortized and remains a capitalized item until obliteration or other disposition, while other portions of the initial cost, such as bridges, culverts and gravel surfacing are amortized over their useful lives, which range from 5 to 20 years. Costs associated with temporary logging roads that will not remain part of our road system are expensed as incurred.

Real Estate Sales

REAL ESTATE SALES

Sales of non-core timberland are considered to be part of our normal operations. We therefore classify revenue and costs associated with real estate sold in revenues and cost of goods sold, respectively, in our Consolidated Statements of Income. Cash generated from real estate sales is included as an operating activity in our Consolidated Statements of Cash Flows.

Like-Kind Exchange and Restricted Cash

LIKE-KIND EXCHANGES AND RESTRICTED CASH

In order to acquire and sell assets, primarily timberlands, in a tax efficient manner, we sometimes enter into like-kind exchange (LKE) tax-deferred transactions. There are two main types of LKE transactions: forward transactions, in which property is sold and the proceeds are reinvested by acquiring similar property; and reverse

transactions, in which property is acquired and similar property is subsequently sold by us. Both forward and reverse transactions must be completed within prescribed time periods under Internal Revenue Code section 1031.

We use a qualified intermediary to facilitate LKE transactions. Proceeds from forward transactions are held by the intermediary and are classified as restricted cash within non-current other assets, because we intend to reinvest the the funds in similar properties. If the acquisition of suitable LKE properties is not completed within 180 days of the sale of the company-owned property, the proceeds are distributed to us by the intermediary and are reclassified as available cash and applicable income taxes are determined. In the case of reverse transactions in which we have not yet completed LKE sales of company-owned land to match with property purchased on our behalf by the intermediary, the amount associated with the property purchased on our behalf but not yet matched with LKE sales is classified as a non-current asset and included in “Timber and timberlands, net” in our Consolidated Balance Sheets and as “Additions to timber and timberlands” in the investing activities section of our Consolidated Statements of Cash Flows.

Long-Lived Assets

LONG-LIVED ASSETS

Our long-lived assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable, as measured by its undiscounted estimated future cash flows. We use our operational budgets to estimate future cash flows. The estimates are adjusted periodically to reflect changing business conditions. Impaired assets are written down to fair value. Assets to be disposed of are reported at the lower of carrying amount or fair value less cost to sell.

We recognize a liability and an asset equal to the fair value of our legal obligations to perform asset retirement activities if the amount can be reasonably estimated. Our primary obligations relate to asbestos located within our manufacturing facilities and a landfill site. We have recorded assets and corresponding liabilities that are not material to our financial position or results of operations. We have also identified situations that would have resulted in the recognition of additional asset retirement obligations, except for an inability to reasonably estimate the fair value of the liability. Most of these situations relate to asbestos located within our manufacturing facilities where a settlement date or range of settlement dates cannot be specified. We review these obligations annually and do not expect them to have a material effect on our financial position, results of operations or cash flows.

Income Taxes

INCOME TAXES

We use the asset and liability method of accounting for income taxes. Under this method, deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between the financial statement carrying amounts of assets and liabilities and their respective tax bases, operating loss carryforwards and tax credit carryforwards. Deferred tax assets and liabilities are measured pursuant to tax laws using rates expected to apply to taxable income in the years in which the temporary differences are expected to be recovered or settled. We recognize the effect of a change in income tax rates on deferred tax assets and liabilities in the Consolidated Statements of Income and Consolidated Statements of Comprehensive Income in the period that includes the enactment date of the rate change. We record a valuation allowance to reduce the carrying amounts of deferred tax assets if it is more likely than not that such deferred tax assets will not be realized.

Revenue Recognition

REVENUE RECOGNITION

We recognize revenue from the sale of timber when risk of loss transfers to the buyer and the quantity sold is determinable. These sales take the form of delivered logs, pay-as-cut contracts, timber deeds and lump sum contracts. On delivered log sales, revenue, which includes amounts billed for logging and hauling, is recognized at the point that logs are delivered and scaled. Revenue is recognized on timber deeds and lump sum contracts generally upon closing or when the contracts are effective, which is the point at which the buyer assumes risk of loss associated with the standing timber.

We receive cash consideration in full and recognize revenue at closing on substantially all our real estate sales.

We recognize revenue from the sale of manufactured wood products and residual by-products when there is persuasive evidence of a sales agreement, the price to the customer is fixed and determinable, collection is reasonably assured, and title and the risk of loss passes to the customer. Shipping terms generally indicate when title and the risk of loss have passed. Revenue is recognized at shipment for sales when shipping terms are FOB (free on board) shipping point. For sales where shipping terms are FOB destination, revenue is recognized when the goods are received by the customer.

Revenue is recognized net of any sales taxes collected. Sales taxes, when collected, are recorded as a current liability and remitted to the appropriate governmental entities.

Shipping and Handling Costs

SHIPPING AND HANDLING COSTS

Costs for shipping and handling are included in cost of goods sold in our Consolidated Statements of Income.

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Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Schedule of Estimated Future Beneffit Payments) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Other Postretirement Benefit Plans, Defined Benefit [Member]
2015	$ 4,486
2016	4,293
2017	4,044
2018	3,789
2019	3,541
2020 through 2024	14,600
Pension Plans, Defined Benefit [Member]
2015	29,566
2016	29,342
2017	29,167
2018	29,049
2019	29,031
2020 through 2024	$ 143,681

XML

Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2014

General Discussion of Pension and Other Postretirement Benefits [Abstract]

Schedule of Changes in Projected Benefit Obligations

The change in benefit obligation, change in plan assets and funded status for company-sponsored benefit plans and obligations are as follows:

	PENSION PLANS						OTHER POSTRETIREMENT EMPLOYEE BENEFITS (OPEB)
(Dollars in thousands)	2014			2013			2014			2013
Benefit obligation at beginning of year	$	(393,565	)	$	(445,535	)	$	(47,343	)	$	(52,033	)
Service cost	(5,081		)	(5,318		)	(25		)	(94		)
Interest cost	(19,184		)	(17,826		)	(1,741		)	(1,810		)
Plan amendments	—			—			—			—
Actuarial loss (gain)	(49,990		)	41,178			3,229			2,692
Benefits paid	50,126			33,936			4,319			3,902
Benefit obligation at end of year	$	(417,694	)	$	(393,565	)	$	(41,561	)	$	(47,343	)
Fair value of plan assets at beginning of year	$	350,588		$	345,633		$	—		$	—
Actual return on plan assets	31,280			37,157			—			—
Employer contributions and benefit payments	5,317			1,734			4,319			3,902
Benefits paid	(50,126		)	(33,936		)	(4,319		)	(3,902		)
Fair value of plan assets at end of year	$	337,059		$	350,588		$	—		$	—
Amounts recognized in the consolidated balance sheets:
Current liabilities	$	(1,774	)	$	(1,772	)	$	(4,486	)	$	(4,929	)
Noncurrent liabilities	(78,861		)	(41,205		)	(37,075		)	(42,414		)
Funded status	$	(80,635	)	$	(42,977	)	$	(41,561	)	$	(47,343	)

Schedule of Weighted Average Asset Allocations of the Pension Benefit Plans' Assets

The asset allocations of the pension benefit plans’ assets at December 31 by asset category are as follows:

	PENSION PLANS
ASSET CATEGORY	2014		2013
Domestic equity securities	14	%	20	%
Global/international equity securities	22		27
Fixed income securities	48		38
Other	16		15
Total	100	%	100	%

Schedule of Allocation of Plan Assets

Fair value measurements at December 31, 2014:

(Dollars in thousands)
ASSET CATEGORY	QUOTED PRICES IN ACTIVE MARKETS FOR IDENTICAL ASSETS (LEVEL 1)		SIGNIFICANT OBSERVABLE INPUTS (LEVEL 2)		SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)		TOTAL
Cash and equivalents	$	6,586	$	—	$	—	$	6,586
Equity securities:
U.S. small/mid cap1	1,136		—		—		1,136
International companies	13,782		—		—		13,782
Mutual funds2	226,710				—		226,710
Collective investments:
U.S. large cap3	—		30,005		—		30,005
Developed markets4	—		29,879		—		29,879
Emerging markets5	—		28,961		—		28,961
Total	$	248,214	$	88,845	$	—	$	337,059

¹  These are managed investments in US small/mid cap equities that track the Russell 2500 Growth index.

²  The mutual funds were 72% invested in high-quality intermediate and long-term investment grade securities, 22% invested in a diversified portfolio of fixed-income instruments of varying maturities, which may be represented by forwards or derivatives such as options, futures contracts or swap agreements and debt securities, and 6% invested in US small/mid cap equities that track the Russell 2500 Growth index.

³  These collective investments are invested in US large cap equities that track the S&P 500.

⁴  These collective investments are invested in equity funds of developed markets outside of the US & Canada, that track the MSCI EAFE Value or MSCI EAFE Growth index.

⁵  These collective investments are invested in equity funds of emerging markets outside of the US & Canada, that track the MSCI Emerging Markets index.

Fair value measurements at December 31, 2013:

(Dollars in thousands)
ASSET CATEGORY	QUOTED PRICES IN ACTIVE MARKETS FOR IDENTICAL ASSETS (LEVEL 1)		SIGNIFICANT OBSERVABLE INPUTS (LEVEL 2)		SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)		TOTAL
Cash and equivalents	$	9,673	$	—	$	—	$	9,673
Equity securities:
U.S. large cap1	32,304		—		—		32,304
U.S. small/mid cap2	19,053		—		—		19,053
International companies	34,773		—		—		34,773
Mutual funds3	185,505		—		—		185,505
Collective investments:
Developed markets4	—		17,401		—		17,401
Emerging markets5	—		41,300		—		41,300
Hedge funds6	—		—		10,579		10,579
Total	$	281,308	$	58,701	$	10,579	$	350,588

¹  These are managed investments in US large cap equities that track the Russell 1000 Value index.

²  These are managed investments in US small/mid cap equities that track the Russell 2500 Growth index.

³  The mutual funds were 50% invested in high-quality intermediate and long-term investment grade securities and 50% invested in a diversified portfolio of fixed-income instruments of varying maturities, which may be represented by forwards or derivatives such as options, futures contracts or swap agreements and debt securities.

⁴  These collective investments are invested in equity funds of developed markets outside of the US & Canada, that track the MSCI EAFE index.

⁵  These collective investments are invested in equity funds of emerging markets outside of the US & Canada, that track the MSCI Emerging Markets index.

⁶  The hedge funds are 37% invested in long/short and event-driven equity, 24% invested in long and short credit, 11% in relative value, 10% invested in distressed debt, 6% invested in convertible bond hedging, with the remaining 13% in other investments.

Schedule of Summary of Changes in the Fair Value of the Plans' Level 3 Assets

The following table sets forth a summary of changes in the fair value of the plans’ Level 3 assets for the years ended December 31:

	Hedge Funds
(Dollars in thousands)	2014			2013
Balance, beginning of year	$	10,579		$	45,693
Sales and settlements	(10,579		)	(34,500		)
Unrealized losses relating to assets still held at the reporting date	—			(614		)
Balance, end of year	$	—		$	10,579

Schedule of Net Benefit Costs

Pre-tax components of net periodic cost (benefit) recognized in our Consolidated Statements of Income were as follows:

	PENSION PLANS									OTHER POSTRETIREMENT EMPLOYEE BENEFITS
(Dollars in thousands)	2014			2013			2012			2014			2013			2012
Service cost	$	5,081		$	5,318		$	5,238		$	25		$	94		$	284
Interest cost	19,184			17,826			19,986			1,741			1,810			2,478
Expected return on plan assets	(24,512		)	(26,092		)	(28,755		)	—			—			—
Curtailment credit	—			—			—			—			—			(103		)
Amortization of prior service cost (credit)	748			779			770			(9,641		)	(9,708		)	(9,343		)
Amortization of actuarial loss	14,451			19,929			15,356			2,186			3,209			3,127
Net periodic cost (benefit)	$	14,952		$	17,760		$	12,595		$	(5,689	)	$	(4,595	)	$	(3,557	)

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

Other amounts recognized in our Consolidated Statements of Comprehensive Income were as follows:

	PENSION PLANS									OTHER POSTRETIREMENT EMPLOYEE BENEFITS
(Dollars in thousands)	2014			2013			2012			2014			2013			2012
Net amount at beginning of year	$	117,167		$	161,667		$	158,883		$	(18,447	)	$	(20,769	)	$	(18,001	)
Amounts arising during the period:
Net loss (gain)	43,223			(52,242		)	20,180			(3,229		)	(2,692		)	(4,878		)
Prior service cost (credit)	—			—			510			—			—			(5,942		)
Taxes	(16,857		)	20,374			(8,069		)	1,259			1,050			4,260
Net amount arising during the period	26,366			(31,868		)	12,621			(1,970		)	(1,642		)	(6,560		)
Amounts reclassified during the period:
Amortization of prior service (cost) credit	(748		)	(779		)	(770		)	9,641			9,708			9,343
Amortization of actuarial loss	(14,451		)	(19,929		)	(15,356		)	(2,186		)	(3,209		)	(3,127		)
Taxes	5,927			8,076			6,289			(2,907		)	(2,535		)	(2,424		)
Net reclassifications during the period	(9,272		)	(12,632		)	(9,837		)	4,548			3,964			3,792
Net amount at end of year	$	134,261		$	117,167		$	161,667		$	(15,869	)	$	(18,447	)	$	(20,769	)

Schedule of Accumulated Other Comprehensive Income (Loss)

Amounts recognized in accumulated other comprehensive loss on our Consolidated Balance Sheets, net of tax, consist of:

	PENSION PLANS					OTHER POSTRETIREMENT EMPLOYEE BENEFITS
(Dollars in thousands)	2014			2013		2014			2013
Net loss	$	134,717		$	115,404	$	(21,750	)	$	16,490
Prior service cost (credit)	(456		)	1,763		5,881			(34,937		)
Net amount recognized	$	134,261		$	117,167	$	(15,869	)	$	(18,447	)

Schedule of Expected Future Benefit Payments

Estimated future benefit payments, which reflect expected future service are as follows for the years indicated:

(Dollars in thousands)	PENSION PLANS		OTHER POSTRETIREMENT EMPLOYEE BENEFITS
2015	$	29,566	$	4,486
2016		29,342		4,293
2017		29,167		4,044
2018		29,049		3,789
2019		29,031		3,541
2020 – 2024		143,681		14,600

Weighted Average Assumptions Used to Determine the Benefit Obligation

The weighted average assumptions used to determine the benefit obligation as of December 31 were:

	PENSION PLANS						OTHER POSTRETIREMENT EMPLOYEE BENEFITS
	2014		2013		2012		2014		2013		2012
Discount rate	4.25	%	5.10	%	4.15	%	3.90	%	4.45	%	3.70	%
Rate of salaried compensation increase	3.00	%	3.00	%	3.50	%	—		—		—

Schedule of Weighted Average Assumptions Used to Determine the Net Periodic Benefit (Cost)

The weighted average assumptions used to determine the net periodic benefit (cost) for the years ended December 31 were:

	PENSION PLANS						OTHER POSTRETIREMENT EMPLOYEE BENEFITS
	2014		2013		2012		2014		2013		2012
Discount rate	5.10	%	4.15	%	4.95	%	4.45	%	3.70	%	4.85	%
Expected return on plan assets	7.50	%	8.00	%	8.00	%	—		—		—
Rate of salaried compensation increase	3.00	%	3.50	%	3.50	%	—		—		—

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates

A one percentage point change in the health care cost trend rates would have the following effects on our December 31, 2014Consolidated Financial Statements:

(Dollars in thousands)	1% INCREASE		1% DECREASE
Effect on total service cost plus interest cost	$	5	$	(5	)
Effect on accumulated postretirement benefit obligation	112		(112		)

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Other Long-Term Obligations

12 Months Ended

Dec. 31, 2014

Other Long-term Debt [Abstract]

Other Long-Term Obligations

OTHER LONG-TERM OBLIGATIONS

(Dollars in thousands)	2014		2013
Employee benefits and related liabilities	$	8,839	$	15,423
Cost share logging roads	5,894		5,759
Other	1,019		1,171
Total	$	15,752	$	22,353

On May 8, 2014, our board approved changes to our director compensation program. This amendment states that upon a director's separation from the company, all deferred awards will be settled in company stock and no longer settled in cash. This resulted in a reclassification of the related $4.3 million from employee benefits and related liabilities to stockholders' equity.