10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-Q

(Mark One)

ý Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the quarterly period ended September 30, 2017

or

¨ 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: 001-34146

CLEARWATER PAPER CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	20-3594554
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
601 West Riverside, Suite 1100 Spokane, Washington	99201
(Address of principal executive offices)	(Zip Code)

(509) 344-5900

(Registrant’s telephone number, including area code)

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. Yes  ý    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 (section 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). Yes  ý     No  ¨

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

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

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

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

The number of shares of common stock of the registrant outstanding as of October 27, 2017 was 16,433,415.

CLEARWATER PAPER CORPORATION

Index to Form 10-Q

		Page Number
PART I.	FINANCIAL INFORMATION
ITEM 1.	Consolidated Financial Statements
Consolidated Statements of Operations for the three and nine months ended September 30, 2017 and 2016		2
Consolidated Statements of Comprehensive Income for the three and nine months ended September 30, 2017 and 2016		3
Consolidated Balance Sheets at September 30, 2017 and December 31, 2016		4
Consolidated Statements of Cash Flows for the nine months ended September 30, 2017 and 2016		5
Condensed Notes to Consolidated Financial Statements		6 - 21
ITEM 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	22 - 33
ITEM 3.	Quantitative and Qualitative Disclosures About Market Risk	33
ITEM 4.	Controls and Procedures	34
PART II.	OTHER INFORMATION
ITEM 1.	Legal Proceedings	35
ITEM 1A.	Risk Factors	35
ITEM 2.	Unregistered Sales of Equity Securities and Uses of Proceeds	35
ITEM 6.	Exhibits	35
SIGNATURES		36

Part I

ITEM 1.

Consolidated Financial Statements

Clearwater Paper Corporation

Consolidated Statements of Operations

Unaudited (Dollars in thousands - except per-share amounts)

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Net sales	$	426,504		$	435,320		$	1,293,692		$	1,309,195
Costs and expenses:
Cost of sales	(386,581		)	(396,605		)	(1,154,344		)	(1,127,103		)
Selling, general and administrative expenses	(34,472		)	(29,435		)	(93,674		)	(94,885		)
Total operating costs and expenses	(421,053		)	(426,040		)	(1,248,018		)	(1,221,988		)
Income from operations	5,451			9,280			45,674			87,207
Interest expense, net	(7,683		)	(7,520		)	(23,399		)	(22,559		)
(Loss) earnings before income taxes	(2,232		)	1,760			22,275			64,648
Income tax benefit (provision)	3,095			(859		)	(5,860		)	(24,437		)
Net earnings	$	863		$	901		$	16,415		$	40,211
Net earnings per common share:
Basic	$	0.05		$	0.05		$	1.00		$	2.35
Diluted	0.05			0.05			0.99			2.33

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

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Clearwater Paper Corporation

Consolidated Statements of Comprehensive Income

Unaudited (Dollars in thousands)

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Net earnings	$	863		$	901		$	16,415		$	40,211
Other comprehensive income:
Defined benefit pension and other postretirement employee benefits:
Amortization of actuarial loss included in net periodic cost, net of tax of $319, $248, $967 and $1,113	487			384			1,475			1,723
Amortization of prior service credit included in net periodic cost, net of tax of $(152), $(165), $(454) and $(497)	(230		)	(257		)	(691		)	(770		)
Settlement, net of tax of $ -, $1,054, $ - and $1,054	—			1,632			—			1,632
Other comprehensive income, net of tax	257			1,759			784			2,585
Comprehensive income	$	1,120		$	2,660		$	17,199		$	42,796

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

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Clearwater Paper Corporation

Consolidated Balance Sheets

Unaudited (Dollars in thousands – except per-share amounts)

	September 30, 2017			December 31, 2016
ASSETS
Current assets:
Cash and cash equivalents	$	8,478		$	23,001
Receivables, net	135,946			147,074
Taxes receivable	14,578			9,709
Inventories	257,833			258,029
Other current assets	6,450			8,682
Total current assets	423,285			446,495
Property, plant and equipment, net	1,014,835			945,328
Goodwill	244,283			244,283
Intangible assets, net	34,528			40,485
Other assets, net	12,080			7,751
TOTAL ASSETS	$	1,729,011		$	1,684,342
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Borrowings under revolving credit facilities	$	110,000		$	135,000
Accounts payable and accrued liabilities	263,148			223,699
Current liability for pensions and other postretirement employee benefits	7,821			7,821
Total current liabilities	380,969			366,520
Long-term debt	570,331			569,755
Liability for pensions and other postretirement employee benefits	78,440			81,812
Other long-term obligations	40,942			41,776
Accrued taxes	2,557			2,434
Deferred tax liabilities	169,410			152,172
TOTAL LIABILITIES	1,242,649			1,214,469
Stockholders’ equity:
Preferred stock, par value $0.0001 per share, 5,000,000 authorized shares, no shares   issued	—			—
Common stock, par value $0.0001 per share, 100,000,000 authorized   shares-16,433,415 and 24,223,191 shares issued	2			2
Additional paid-in capital	—			347,080
Retained earnings	537,329			569,861
Treasury stock, at cost, common shares-0 and 7,736,255 shares	—			(395,317		)
Accumulated other comprehensive loss, net of tax	(50,969		)	(51,753		)
TOTAL STOCKHOLDERS' EQUITY	486,362			469,873
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$	1,729,011		$	1,684,342

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

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Clearwater Paper Corporation

Consolidated Statements of Cash Flows

Unaudited (Dollars in thousands)

	Nine Months Ended
	September 30,
	2017			2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings	$	16,415		$	40,211
Adjustments to reconcile net earnings to net cash flows from operating activities:
Depreciation and amortization	79,468			65,921
Equity-based compensation expense	2,523			9,826
Deferred tax provision	14,602			12,329
Employee benefit plans	(2,999		)	(500		)
Disposal of plant and equipment, net	3,755			30
Other, net	874			484
Changes in working capital, net	43,846			4,045
Changes in taxes receivable, net	(4,869		)	7,217
Other, net	(1,439		)	(680		)
Net cash flows from operating activities	152,176			138,883
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(136,650		)	(105,514		)
Other, net	753			250
Net cash flows from investing activities	(135,897		)	(105,264		)
CASH FLOWS FROM FINANCING ACTIVITIES
Purchase of treasury stock	(4,875		)	(51,528		)
Borrowings on revolving credit facilities	185,000			944,844
Repayments of borrowings on revolving credit facilities	(210,000		)	(931,832		)
Other, net	(927		)	(382		)
Net cash flows from financing activities	(30,802		)	(38,898		)
Decrease in cash and cash equivalents	(14,523		)	(5,279		)
Cash and cash equivalents at beginning of period	23,001			5,610
Cash and cash equivalents at end of period	$	8,478		$	331
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest, net of amounts capitalized	$	27,867		$	27,240
Cash paid for income taxes	2,367			16,050
Cash received from income tax refunds	5,988			10,543
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING   ACTIVITIES
Changes in accrued property, plant and equipment	$	2,173		$	3,834
Other changes to property, plant and equipment	4,500			—

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

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Clearwater Paper Corporation

Condensed Notes to Consolidated Financial Statements

Unaudited

NOTE 1 Nature of Operations and Basis of Presentation

GENERAL

Clearwater Paper manufactures quality consumer tissue, away-from-home tissue, parent roll tissue, bleached paperboard and pulp at manufacturing facilities across the nation. The company is a premier supplier of private label tissue to major retailers and wholesale distributors, including grocery, drug, mass merchants and discount stores. In addition, the company produces bleached paperboard used by quality-conscious printers and packaging converters, and offers services that include custom sheeting, slitting and cutting. Clearwater Paper's employees build shareholder value by developing strong customer relationships through quality and service.

On December 16, 2016, we acquired Manchester Industries, an independently-owned paperboard sales, sheeting and distribution supplier to the packaging and commercial print industries, for total consideration of $71.7 million. The addition of Manchester Industries' customers to our paperboard business extends our reach and service platform to small and mid-sized folding carton plants, by offering a range of converting services that include custom sheeting, slitting, and cutting. These converting operations include five strategically located facilities in Virginia, Pennsylvania, Indiana, Texas, and Michigan. Goodwill was recorded in the acquisition of Manchester Industries based on the preliminary purchase price allocation. We are continuing to collect information to determine the fair values included in the purchase price in association with the final tax basis of acquired intangibles and fixed assets used in the determination of deferred tax liabilities at the acquisition date, which could affect our goodwill allocation for this transaction.

On March 31, 2017, we closed our Oklahoma City, Oklahoma converting facility. Notwithstanding the closure, we remain subject to the terms of a long-term master lease applicable to the facility.  In October 2017, we transferred to a third party substantially all of the remaining fixed assets and supplies inventory located at this facility and subleased the facility to the third party for the remaining term of the master lease for the facility.  In connection with the transfer of fixed assets, we recorded a loss of $4.3 million in the third quarter of 2017 related primarily to the writedown of the transferred assets totheir held for sale value. This loss is included in “Selling, general and administrative expenses” in our Consolidated Statement of Operations. We expect to record a loss of approximately $3 million in the fourth quarter of 2017 related to the execution of the sublease agreement. The sublease agreement is expected to substantially reduce our cash requirements under the master lease over the term of the sublease.

Additionally, we have incurred $0.8 million and $6.8 million of closure-related costs associated with the Oklahoma City facility for the three and nine months ended September 30, 2017, respectively, which are included in "Cost of goods sold" in our Consolidated Statement of Operations.

FINANCIAL STATEMENT PREPARATION AND PRESENTATION

The accompanying Consolidated Balance Sheets at September 30, 2017 and December 31, 2016, the related Consolidated Statements of Operations and Comprehensive Income for the three and nine months ended September 30, 2017 and 2016, and the Consolidated Statements of Cash Flows for the nine months ended September 30, 2017 and 2016, have been prepared in conformity with accounting principles generally accepted in the United States of America, or GAAP. We believe that all adjustments necessary for a fair statement of the results of the interim periods presented have been included. The results of operations for any interim period are not necessarily indicative of the results of operations to be expected for the full year.

This Quarterly Report on Form 10-Q should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2016, as filed with the Securities and Exchange Commission, or SEC, on February 22, 2017.

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

SIGNIFICANT ESTIMATES

The preparation of financial statements in conformity with 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 net sales and expenses during the reporting periods. Significant areas that may require the use of estimates and measurement of uncertainty include determination of net realizable value for deferred tax assets, uncertain tax positions, assessment of impairment of long-lived assets, goodwill and intangibles, assessment of environmental matters, equity-based compensation and pension and postretirement obligation assumptions. Actual results could differ from those estimates and assumptions.

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CASH AND CASH EQUIVALENTS

We consider all highly liquid instruments with maturities of three months or less to be cash equivalents.

TRADE ACCOUNTS RECEIVABLE

Trade accounts receivable are stated at the amount we expect to collect. Trade accounts receivable do not bear interest. The allowance for doubtful accounts is our best estimate of the losses we expect will result from the inability of our customers to make required payments. We generally determine the allowance based on a combination of actual historical write-off experience and an analysis of specific customer accounts. As of September 30, 2017 and December 31, 2016, we had allowances for doubtful accounts of $1.3 million and $1.5 million, respectively.

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment are stated at cost, including any interest costs capitalized, less accumulated depreciation. Depreciation of buildings, equipment and other depreciable assets is determined using the straight-line method. Assets we acquire through business combinations have estimated lives that are typically shorter than the assets we construct or buy new. Accumulated depreciation totaled $1,617.5 million and $1,582.0 million at September 30, 2017 and December 31, 2016, respectively.

For the nine months ended September 30, 2017, we capitalized $3.0 million of interest expense associated with the construction of a continuous pulp digester at our Lewiston, Idaho pulp and paperboard facility and $0.5 million associated with the construction of a paper machine at our Shelby, North Carolina consumer products facility. For the nine months ended September 30, 2016, we capitalized $1.6 million of interest expense associated with the continuous pulp digester project. In June 2017, we received land with a fair market value of $4.2 million from the City of Shelby, North Carolina and Cleveland County. We must fulfill certain obligations within five years or pay the value of the land or return the title to the land. This balance is included in "Property, plant, and equipment, net," with an associated amount in "Other long-term obligations" on our Consolidated Balance Sheet as of September 30, 2017.

Consistent with authoritative guidance, we assess the carrying amount of long-lived assets with definite lives that are held-for-use and evaluate them for recoverability whenever events or changes in circumstances indicate that we may be unable to recover the carrying amount of the assets.

STOCKHOLDERS’ EQUITY

On December 15, 2015, we announced that our Board of Directors had approved a stock repurchase program authorizing the repurchase of up to $100 millionof our common stock. The repurchase program authorizes purchases of our common stock from time to time through open market purchases, negotiated transactions or other means, including accelerated stock repurchases and 10b5-1 trading plans in accordance with applicable securities laws and other restrictions. We have no obligation to repurchase stock under this program and may suspend or terminate the program at any time. In total, we have repurchased1,440,696 shares of our outstanding common stock as of September 30, 2017, pursuant to this repurchase program, of which84,750shares were repurchased during the first quarter of 2017 at an average price of$57.53per share. We did not repurchase shares during the second or third quarters of 2017. As of September 30, 2017, we had up to $29.8 millionof authorization remaining pursuant to this stock repurchase program.

During the third quarter of 2017, we retired 7,821,005 treasury shares. The impact of this retirement was reflected within the stockholders' equity line items on our Consolidated Balance Sheet.

DERIVATIVES

We had no activity during the three and nine months ended September 30, 2017 and 2016 that required hedge or derivative accounting treatment. However, to help mitigate our exposure to market risk for changes in utility commodity pricing, we use firm price contracts to supply a portion of the natural gas requirements for our manufacturing facilities. As of September 30, 2017, these contracts covered approximately 30% of our expected average monthly natural gas requirements for the remainder of 2017, and a lesser amount for 2018. Historically, these contracts have qualified for treatment as “normal purchases or normal sales” under authoritative guidance and thus required no mark-to-market adjustment.

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NOTE 2 Recently Adopted and New Accounting Standards

RECENTLY ADOPTED

In January 2017, the Financial Accounting Standards Board (FASB) issued Accounting Standard Update (ASU) 2017-04, Simplifying the Test for Goodwill Impairment (Topic 350). This ASU eliminates step two of the impairment test, the performance of a hypothetical purchase price allocation to measure goodwill impairment. Instead, impairment will be measured using the difference between the carrying amount and the fair value of the reporting unit. We adopted this standard on January 1, 2017 and will apply this standard during our annual impairment test as of November 1, 2017, if applicable. The adoption of this standard is not expected to have a material impact on our consolidated financial statements.

In January 2017, the FASB issued ASU 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business. This ASU clarifies the definition of a business and provides a screen to determine when an integrated set of assets and activities is not a business. The screen requires that when substantially all of the fair value of the gross assets acquired (or disposed of) is concentrated in a single identifiable asset or a group of similar identifiable assets, the asset is not a business. We adopted this standard on January 1, 2017. This standard did not have a material impact on our consolidated financial statements.

In March 2016, the FASB issued ASU 2016-09, Improvements to Employee Share-Based Payment Accounting (Topic 718),(ASU 2016-09), which simplifies several aspects of accounting for share-based payment transactions, including income tax consequences, award classification, cash flows reporting, and forfeiture rate application. Specifically, the update requires all excess tax benefits and tax deficiencies to be recognized as income tax expense or benefit in the income statement. The update also allows excess tax benefits to be classified along with other income tax cash flows as an operating activity on the statement of cash flows. In addition, when accruing compensation cost, an entity can make an entity-wide accounting policy election to either estimate the number of awards expected to vest or to account for forfeitures as they occur. Lastly, the update requires cash paid by an employer when directly withholding shares for tax-withholding purposes to be classified as a financing activity on the statement of cash flows, consistent with our historical practice. We adopted ASU 2016-09 in the first quarter of 2017. We have not changed our method of estimating forfeitures as a result of our adoption of this standard, however, we are currently evaluating the possibility of changing our tax-withholding policy to allow for more withholding of employee shares for tax purposes. As a result of adopting this standard, excess tax benefits are classified along with other income tax cash flows as an operating activity on the statement of cash flows on a prospective basis and $1.0 million was charged to our income tax provision in the nine months ending September 30, 2017, resulting in a $0.06 earnings per share impact.

NEW ACCOUNTING STANDARDS

In May 2017, the FASB issued ASU 2017-09, Compensation—Stock Compensation (Topic 718): Scope of Modification Accounting to clarify when to account for a change to the terms or conditions of a share-based payment award as a modification. Under the new guidance, modification accounting is required only if the fair value, the vesting conditions, or the classification of the award (as equity or liability) changes as a result of the change in terms or conditions. The ASU will be effective prospectively for annual periods beginning after December 15, 2017, including interim periods within those annual periods. We plan to adopt this standard on January 1, 2018. We do not expect the adoption of this ASU to have a material impact on our consolidated financial statements.

In March 2017, the FASB issued ASU 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. The amendments in this ASU require that an employer disaggregate the service cost component from the other components of net benefit cost. The amendments also provide explicit guidance on how to present the service cost component and other components of net benefit cost in the income statement and allow only the service cost component of net benefit cost to be eligible for capitalization. This ASU will be effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods. We plan to adopt this standard on January 1, 2018. The amendments in this update require retrospective presentation in the income statement. Changes to the capitalized portion of both service cost and the other components of net benefit cost within inventory will be applied prospectively. For the full year of 2016, net periodic pension and other postretirement employee benefit cost reported within operating income totaled $5.3 million, of which $1.8 million represented service cost.

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). The new standard establishes a right-of-use (ROU) model that requires a lessee to record a ROU asset and a lease liability on the balance sheet for all leases with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. The new standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. A modified retrospective transition approach is required for lessees for capital and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. We expect the adoption of this ASU will increase both our assets and liabilities presented on our Consolidated Balance Sheets to reflect the ROU assets and corresponding lease liabilities, as well as increase our leasing disclosures. We plan to adopt this standard on January 1, 2019. We are continuing our assessment and review of existing leases, which may identify other impacts, and are addressing necessary policy and process changes in preparation for adoption.

8

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606). The core principle of the new standard is for companies to recognize revenue in a manner that depicts the transfer of goods or services to customers in amounts that reflect the consideration, or payment, to which the company expects to be entitled in exchange for those goods or services. The standard will also result in enhanced disclosures about revenue, provide guidance for transactions that were not previously addressed comprehensively, such as service revenue and contract modifications, and clarify guidance for multiple-element arrangements. This standard was originally issued as effective for fiscal years and interim periods within those years beginning after December 15, 2016, with early adoption prohibited. However, in July 2015, the FASB approved deferring the effective date by one year to December 15, 2017 for annual reporting periods beginning after that date. In its approval, the FASB also permitted the early adoption of the standard, but not before the original effective date of fiscal years beginning after December 15, 2016. The standard may be applied under either a retrospective or cumulative effect adoption method. We plan on adopting the standard on the deferred effective date under the cumulative effect adoption method. Additionally, the new guidance requires enhanced disclosures, including revenue recognition policies to identify performance obligations to customers and significant judgments in measurement and recognition. Based on our assessments to-date, which have included review of our core revenue streams and contracts with key customers under the new standard, we do not anticipate the adoption of this standard will have a material impact on our consolidated financial statements. We anticipate enhancing our disclosures upon the adoption of this standard as well as certain of our internal controls and processes. We are continuing our assessment, internal control considerations and internal process analysis, which may identify other impacts.

We reviewed all other new accounting pronouncements issued in the period and concluded that they are not applicable to our business.

NOTE 3 Inventories

Inventories at the balance sheet dates consist of:

(In thousands)	September 30, 2017		December 31, 2016
Pulp, paperboard and tissue products	$	158,075	$	154,460
Materials and supplies	85,246		82,005
Logs, pulpwood, chips and sawdust	14,512		21,564
	$	257,833	$	258,029

NOTE 4 Intangible Assets

Intangible assets at the balance sheet dates are comprised of the following:

	September 30, 2017
(Dollars in thousands, lives in years)	Weighted Average Useful Life	Historical Cost		Accumulated Amortization			Net Balance
Customer relationships	9.3	$	62,401	$	(32,387	)	$	30,014
Trade names and trademarks	7.4	6,786		(2,743		)	4,043
Non-compete agreements	5.0	574		(558		)	16
Other intangibles	6.0	572		(117		)	455
		$	70,333	$	(35,805	)	$	34,528
	December 31, 2016
(Dollars in thousands, lives in years)	Weighted Average Useful Life	Historical Cost		Accumulated Amortization			Net Balance
Customer relationships	9.3	$	62,401	$	(27,364	)	$	35,037
Trade names and trademarks	7.4	6,786		(1,972		)	4,814
Non-compete agreements	5.0	574		(512		)	62
Other intangibles	6.0	572		—			572
		$	70,333	$	(29,848	)	$	40,485

For the three months ended September 30, 2017 and 2016, intangible assets amortization expense was $2.0 million and $1.1 million, respectively. For the nine months ended September 30, 2017 and 2016, intangible assets amortization expense was $6.0

9

million and $3.2 million, respectively. The increase in the 2017 periods was due to the additional amortization expense attributable to intangible assets associated with the acquisition of Manchester Industries in December 2016.

NOTE 5 Income Taxes

Consistent with authoritative guidance, our estimated annual effective tax rate is used to allocate expected annual income tax expense to interim periods. The rate is the ratio of estimated annual income tax expense to estimated pre-tax ordinary income, and excludes "discrete items," which are significant, unusual or infrequent items reported separately net of their related tax effect. The estimated annual effective tax rate is applied to the current interim period's ordinary income to determine the income tax expense allocated to the interim period. The income tax effects of discrete items are then determined separately and recognized in the interim period in which the income or expense items arise.

Our estimated annual effective tax rate applied to the third quarter of 2017 is approximately 34%, compared with approximately 36% for the same period in 2016. The decrease in the rate is due to an increase in the benefit from federal and state tax credits.

The tax benefit in the current quarter is comprised of a benefit driven by the pre-tax loss for the quarter increased by a benefit from federal credits of $2.4 million.

NOTE 6 Accounts Payable and Accrued Liabilities

Accounts payable and accrued liabilities at the balance sheet dates consist of:

(In thousands)	September 30, 2017		December 31, 2016
Trade accounts payable	$	189,940	$	128,106
Accrued wages, salaries and employee benefits	34,174		49,871
Accrued discounts and allowances	11,292		10,291
Accrued utilities	6,993		6,712
Accrued taxes other than income taxes payable	6,570		6,946
Accrued interest	5,582		12,149
Accrued transportation	2,208		1,761
Other	6,389		7,863
	$	263,148	$	223,699

NOTE 7 Debt

REVOLVING CREDIT FACILITIES

As of September 30, 2017, there was an aggregate of $110.0 million in borrowings outstanding under the credit facilities and $6.8 million of the credit facilities was being used to support outstanding standby letters of credit. As of December 31, 2016, there was an aggregate of $135.0 million in borrowings outstanding under the credit facilities.

Our two senior secured revolving credit facilities provide in the aggregate, on a combined basis, for the extension of up to $300 million in revolving loans under: (i) a $200 million credit agreement with Wells Fargo Bank, National Association, as administrative agent, and the lenders party thereto (the Commercial Credit Agreement); and (ii) a $100 million credit agreement with Northwest Farm Credit Services, PCA, as administrative agent, and the lenders party thereto (the Farm Credit Agreement). We refer to both of these credit agreements collectively as the Credit Agreements. The revolving credit facilities provided under the Credit Agreements mature on October 31, 2021.

Revolving loans borrowed under the Commercial Credit Agreement bear interest, at our option, at a LIBOR rate or at a base rate, plus an applicable margin, which for LIBOR rate loans may range from 1.25% per annum to 2.00% per annum, based on the Company’s consolidated total leverage ratio. The applicable margin for base rate loans under the Commercial Credit Agreement is 1.00% per annum less than for LIBOR rate loans. Revolving Loans borrowed under the Farm Credit Agreement are calculated in substantially the same manner as under the Commercial Credit Agreement, however, the applicable margin under the Farm Credit Agreement is 0.25% per annum higher than the Commercial Credit Agreement, and the prime rate used in the calculation of base rate loans is based upon the prime rate published by the Wall Street Journal. In addition, under the Farm Credit Agreement, we have the option to elect fixed rate periods of interest which bear interest at an applicable margin equal to the LIBOR rate. We also pay commitment fees on the unused portion of the revolving loan commitments under the Credit Agreements, which range from 0.20% per annum to 0.35% per annum.

10

We receive patronage refunds under the Farm Credit Agreement. Patronage refunds are distributions of profits from banks in the farm credit system, which are cooperatives that are required to distribute profits to their members. Patronage refunds are accrued as earned and recorded as offsets to interest expense.

The borrowings outstanding under the revolving credit facilities as of September 30, 2017, consisted of short-term base and LIBOR rate loans and are classified as current liabilities in our Consolidated Balance Sheet. As of September 30, 2017, we would have been permitted to draw an additional $183.2 million under the credit facilities.

NOTE 8 Other Long-Term Obligations

Other long-term obligations at the balance sheet dates consist of:

(In thousands)	September 30, 2017		December 31, 2016
Long-term lease obligations, net of current portion	$	23,426	$	23,152
Deferred proceeds	5,966		9,013
Deferred compensation	5,168		7,219
Other	6,382		2,392
	$	40,942	$	41,776

NOTE 9 Accumulated Other Comprehensive Loss

Accumulated other comprehensive loss, net of tax, is comprised of the following:

(In thousands)	Pension and Other Post Retirement Employee Benefit Plan Adjustments
Balance at December 31, 2016	$	(51,753	)
Other comprehensive income, net of tax1	784
Balance at September 30, 2017	$	(50,969	)
(In thousands)	Pension and Other Post Retirement Employee Benefit Plan Adjustments
Balance at December 31, 2015	$	(55,548	)
Other comprehensive income before reclassifications	953
Amounts reclassified from accumulated other comprehensive loss2	$	1,632
Other comprehensive income, net of tax1	2,585
Balance at September 30, 2016	$	(52,963	)

¹  Included in other comprehensive income are net periodic costs associated with our pension and other postretirement employee benefit (OPEB) plans that were reclassified from accumulated other comprehensive loss. For the nine months ended September 30, 2017 and 2016, actuarial loss amortization of $1.5 million and $1.7 million, respectively, as well as $0.7 million and $0.8 million, respectively, of prior service credit amortization were reclassified. These amounts are net of tax totaling $0.5 million and $0.6 million for each respective period. These accumulated other comprehensive loss components are included in the computation of net periodic pension and OPEB costs in Note 10, “Pension and Other Postretirement Employee Benefit Plans.”

²  Included in "Amounts reclassified from accumulated other comprehensive loss" above for the nine months ended September 30, 2016 is settlement expense of $3.5 million associated with the remeasurement of our salaried pension plan, which is discussed further in Note 10, “Pension and Other Postretirement Employee Benefit Plans.” The remeasurement resulted in a settlement loss of $0.8 million recorded to the pension liability and reclassified from accumulated other comprehensive loss. The settlement expense and corresponding remeasurement are net of tax totaling $1.1 million.

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NOTE 10 Pension and Other Postretirement Employee Benefit Plans

The following table details the components of net periodic cost of our company-sponsored pension and OPEB plans for the periods presented:

	Three Months Ended September 30,
(In thousands)	2017			2016			2017			2016
	Pension Benefit Plans						Other Postretirement Employee  Benefit Plans
Service cost	$	518		$	391		$	41		$	62
Interest cost	3,288			3,518			688			730
Expected return on plan assets	(4,691		)	(4,847		)	—			—
Amortization of prior service cost (credit)	2			6			(384		)	(428		)
Amortization of actuarial loss (gain)	2,468			2,865			(1,662		)	(2,233		)
Settlement	—			3,482			—			—
Net periodic cost	$	1,585		$	5,415		$	(1,317	)	$	(1,869	)

	Nine months ended September 30,
(In thousands)	2017			2016			2017			2016
	Pension Benefit Plans						Other Postretirement Employee  Benefit Plans
Service cost	$	1,552		$	1,171		$	122		$	187
Interest cost	9,862			10,779			2,059			2,306
Expected return on plan assets	(14,073		)	(14,608		)	(1		)	(1		)
Amortization of prior service cost (credit)	6			17			(1,151		)	(1,284		)
Amortization of actuarial loss (gain)	7,405			8,510			(4,963		)	(5,674		)
Settlement	—			3,482			—			—
Net periodic cost	$	4,752		$	9,351		$	(3,934	)	$	(4,466	)

During the nine months ended September 30, 2017 and 2016, we made no contributions to our qualified pension plans. We do not expect, nor are we required, to make contributions in 2017.

During the nine months ended September 30, 2017, we made contributions of $0.2 million to our company-sponsored non-qualified pension plan. We estimate contributions will total $0.4 million in 2017. We do not anticipate funding our OPEB plans in 2017 except to pay benefit costs as incurred during the year by plan participants.

During the three and nine months ended September 30, 2017, $0.2 million and $0.5 million, respectively, of net periodic pension and OPEB costs were charged to "Cost of sales" and $0.1 million and $0.3 million, respectively, were charged to "Selling, general and administrative expenses" in the accompanying Consolidated Statements of Operations.

During the three and nine months ended September 30, 2016, less than $0.1 million and $0.8 million, respectively, of net periodic pension and OPEB costs were charged to "Cost of sales" and $0.1 million and $0.6 million, respectively, were charged to "Selling, general and administrative expenses" in the accompanying Consolidated Statements of Operations.

In 2016, we announced a voluntary, limited-time opportunity for former employees who are vested participants in certain of our qualified pension plans to request early payment of their entire pension plan benefit in the form of a single lump sum payment. Based on the level of payments made, settlement accounting rules applied to our salaried plan and resulted in a remeasurement of that plan.

As a result of settlement accounting, we recognized a pro-rata portion of the unamortized net actuarial loss, after remeasurement, resulting in a $3.5 million non-cash charge to our earnings in the third quarter of 2016. This settlement charge was recorded to "Cost of sales" and "Selling, general and administrative expenses" for $1.9 million and $1.6 million, respectively, in our Consolidated Statement of Operations for the three and nine months ended September 30, 2016.

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NOTE 11 Earnings per Common Share

Basic earnings per share are based on the weighted average number of shares of common stock outstanding. Diluted earnings per share are based upon the weighted average number of shares of common stock outstanding plus all potentially dilutive securities that were assumed to be converted into common shares at the beginning of the period under the treasury stock method.

The following table reconciles the number of common shares used in calculating the basic and diluted net earnings per share:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Basic average common shares outstanding1	16,457,991		16,844,920		16,466,325		17,141,329
Incremental shares due to:
Restricted stock units	42,122		54,796		37,021		35,853
Performance shares	50,506		104,476		42,914		74,604
Stock options	16,265		55,466		26,347		1,148
Diluted average common shares outstanding	16,566,884		17,059,658		16,572,607		17,252,934
Basic net earnings per common share	$	0.05	$	0.05	$	1.00	$	2.35
Diluted net earnings per common share	0.05		0.05		0.99		2.33
Anti-dilutive shares excluded from calculation	468,624		5,783		525,655		502,293

¹  Basic average common shares outstanding include restricted stock awards that are fully vested, but are deferred for future issuance.

NOTE 12 Equity-Based Compensation

We recognize equity-based compensation expense for all equity-based payment awards made to employees and directors, including restricted stock units, or RSUs, performance shares and stock options, based on estimated fair values.

EMPLOYEE AWARDS

Employee equity-based compensation expense was recognized as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
(In thousands)	2017		2016		2017		2016
Restricted stock units	$	429	$	352	$	1,224	$	1,012
Performance shares	567		877		1,793		2,313
Stock options	659		792		1,974		2,076
Total employee equity-based compensation expense	$	1,655	$	2,021	$	4,991	$	5,401

As provided in the Clearwater Paper Corporation 2008 Stock Incentive Plan, the performance measure used to determine the number of performance shares ultimately issuable for awards granted in 2016 and 2015, and for 40% of performance shares granted in 2017, is a comparison of the percentile ranking of our total stockholder return compared to the stockholder return of a selected peer group. In 2017, for 60% of the performance share awards granted, a return on invested capital performance measure is used to determine the number of performance shares ultimately issuable. The number of shares actually issued, as a percentage of the amount subject to the performance share award, could range from 0%-200%.

On December 31, 2016, the service and performance period for 45,953 outstanding shares granted in 2014 ended. Those performance shares were settled and distributed in the first quarter of 2017. The number of shares actually settled, as a percentage of the outstanding amount, was 89.0%. After adjusting for the related minimum tax withholdings, a net 27,878 shares were issued in the first quarter of 2017.

During the first nine months of 2017, 5,000 RSUs were settled and distributed. After adjusting for minimum tax withholdings, a net 3,351 shares were issued. In connection with the issued performance shares and RSUs, the minimum tax withholding payments made during the nine months ended September 30, 2017 totaled $0.8 million.

During the nine months ended September 30, 2017, we had 3,594 stock option awards expire with a weighted-average exercise price of $66.97. At September 30, 2017, we had 134,266 stock option awards that were exercisable with a weighted-average exercise price of $66.85.

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The following table summarizes the number of share-based awards granted under the Clearwater Paper Corporation 2008 Stock Incentive Plan during the nine months ended September 30, 2017 and the grant-date fair value of the awards:

	Nine Months Ended
	September 30, 2017
	Number of Shares Subject to Award	Average Fair Value of Award Per Share
Restricted stock units	66,774	$	56.45
Performance shares	33,907	58.58
Stock options	158,484	18.82

DIRECTOR AWARDS

Annually, each outside member of our Board of Directors receives deferred equity-based awards that are measured in units of our common stock and ultimately settled in cash at the time of payment. Accordingly, the compensation expense associated with these awards is subject to fluctuations each quarter based on mark-to-market adjustments at each reporting period in line with changes in the market price of our common stock. As a result of the mark-to-market adjustment, we recorded director equity-based compensation expense of $0.5 million and $0.1 million for the three months ended September 30, 2017 and 2016, respectively. For the nine months ended September 30, 2017 and 2016, we recorded director equity-based compensation benefit of $2.5 million and compensation expense of $4.4 million, respectively.

As of September 30, 2017, the liability amounts associated with director equity-based compensation included in "Other long-term obligations" and "Accounts payable and accrued liabilities" on the accompanying Consolidated Balance Sheet were $3.8 million and $2.5 million, respectively. At December 31, 2016, the liability amounts associated with director equity-based compensation included in "Other long-term obligations" and "Accounts payable and accrued liabilities" totaled $7.9 million and $3.2 million, respectively.

NOTE 13 Fair Value Measurements

The estimated fair values of our financial instruments at the dates presented below are as follows:

	September 30,				December 31,
	2017				2016
	Carrying		Fair		Carrying		Fair
(In thousands)	Amount		Value		Amount		Value
Cash and cash equivalents (Level 1)	$	8,478	$	8,478	$	23,001	$	23,001
Borrowings under revolving credit facilities (Level 1)	110,000		110,000		135,000		135,000
Long-term debt (Level 2)	575,000		568,639		575,000		567,875

Accounting guidance establishes a framework for measuring the fair value of financial instruments, providing a hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities, or “Level 1” measurements, followed by quoted prices of similar assets or observable market data, or “Level 2” measurements, and the lowest priority to unobservable inputs, or “Level 3” measurements.

The asset’s or liability’s 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 should seek to maximize the use of observable inputs and minimize the use of unobservable inputs.

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NOTE 14 Business Interruption and Insurance Recovery

On November 14, 2016, there was a fire at our Las Vegas, Nevada facility. There was minimal disruption to the converting operations at that facility. However, certain components of our paper machine were damaged, and we incurred approximately 17 days of paper machine downtime while repairs were being made. We were unable to produce through-air-dried parent rolls during this period at the Las Vegas facility. We were able to replace a portion of this lost production capacity by shipping parent rolls from our Shelby, North Carolina facility, in addition to making open market purchases. We maintain property and business interruption insurance and filed a claim with our insurance provider in the fourth quarter of 2016 to recover the cost of repairs to the equipment and estimated lost profits due to the disruption of the operations during the repair period. The total insurance claim for this event, net of policy deductible, was $3.3 million. In the fourth quarter of 2016, we recognized $1.5 million of insurance recovery associated with this claim in "Cost of sales" in our Consolidated Statement of Operations, which represented the insurance recovery for the cost of equipment repairs performed in the fourth quarter of 2016. Upon final resolution of this claim, in 2017 we recognized an additional $1.4 million in "Cost of sales" in our Consolidated Statement of Operations, which represented insurance recovery for estimated lost profits due to the disruption of operations resulting from this event.

On January 28, 2017, there was a fire at our Shelby, North Carolina facility warehouse. Although the building sustained minimal damage, the smoke and water damage to raw material and finished goods inventory was more significant. Operations were impacted during the clean-up and repair period. We filed a claim with our peril and stock insurance providers to recover the cost of repairs to the equipment and estimated lost profits and inventory due to the disruption of the operations during the repair and cleanup period. Net of policy deductibles, the insurance claim for this event totaled $2.9 million, and was settled in its entirety in the first quarter of 2017. These proceeds are included in “Cost of sales” in our consolidated Statement of Operations for the nine months ended September 30, 2017.

NOTE 15 Segment Information

The table below presents information about our reportable segments:

	Three Months Ended September 30,						Nine Months Ended September 30,
(In thousands)	2017			2016			2017			2016
Segment net sales:
Consumer Products	$	232,916		$	253,319		$	707,251		$	746,249
Pulp and Paperboard	193,588			182,001			586,441			562,946
Total segment net sales	$	426,504		$	435,320		$	1,293,692		$	1,309,195
Operating income (loss):
Consumer Products1	$	4,436		$	17,201		$	21,159		$	54,135
Pulp and Paperboard	15,023			9,956			63,866			85,151
	19,459			27,157			85,025			139,286
Corporate2	(14,008		)	(17,877		)	(39,351		)	(52,079		)
Income from operations	$	5,451		$	9,280		$	45,674		$	87,207
Depreciation and amortization:
Consumer Products1	$	16,073		$	15,022		$	50,607		$	42,984
Pulp and Paperboard	8,328			6,530			24,789			19,346
Corporate	1,455			1,195			4,072			3,591
Total depreciation and amortization	$	25,856		$	22,747		$	79,468		$	65,921

¹  Operating income for the Consumer Products segment for the three and nine months ended September 30, 2017 includes $5.1 million and $11.1 million, respectively, of costs associated with the closure of the Oklahoma City facility. These costs for the three and nine months ended September 30, 2017 include $4.3 million of loss on the writedown of assets to their held for sale value. Depreciation and amortization expense for the nine months ended September 30, 2017 includes $3.7 million of accelerated depreciation associated with the Oklahoma City facility closure.

²  For the three and nine months ended September 30, 2016, corporate expenses include $3.5 million of settlement expense associated with a lump sum buyout for term-vested participants of our salaried plan, which is discussed further in Note 10, "Pension and Other Postretirement Employee Benefit Plans."

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NOTE 16 Supplemental Guarantor Financial Information

All of our subsidiaries that are 100% directly or indirectly owned by Clearwater Paper, guarantee our $275 million aggregate principal amount of 4.5% senior notes issued in January 2013 and due 2023, which we refer to as the 2013 Notes, on a full and unconditional, and joint and several basis. There are no significant restrictions on the ability of the guarantor subsidiaries to make distributions to Clearwater Paper, the issuer of the 2013 Notes. The following tables present the results of operations, financial position and cash flows of Clearwater Paper and its subsidiaries, the guarantor subsidiaries, and the eliminations necessary to arrive at the information for Clearwater Paper on a consolidated basis.

Clearwater Paper Corporation

Consolidating Statement of Operations and Comprehensive Income

Three Months Ended September 30, 2017

				Guarantor
(In thousands)	Issuer			Subsidiaries			Eliminations			Total
Net sales	$	423,712		$	55,894		$	(53,102	)	$	426,504
Cost and expenses:
Cost of sales	(387,696		)	(51,052		)	52,167			(386,581		)
Selling, general and administrative expenses	(24,676		)	(9,796		)	—			(34,472		)
Total operating costs and expenses	(412,372		)	(60,848		)	52,167			(421,053		)
Income (loss) from operations	11,340			(4,954		)	(935		)	5,451
Interest expense, net	(7,407		)	(276		)	—			(7,683		)
Earnings (loss) before income taxes	3,933			(5,230		)	(935		)	(2,232		)
Income tax (provision) benefit	(1,847		)	4,589			353			3,095
Equity in loss of subsidiary	(641		)	—			641			—
Net earnings (loss)	$	1,445		$	(641	)	$	59		$	863
Other comprehensive income, net of tax	257			—			—			257
Comprehensive income (loss)	$	1,702		$	(641	)	$	59		$	1,120

Clearwater Paper Corporation

Consolidating Statement of Operations and Comprehensive Income

Nine Months Ended September 30, 2017

				Guarantor
(In thousands)	Issuer			Subsidiaries			Eliminations			Total
Net sales	$	1,263,467		$	196,399		$	(166,174	)	$	1,293,692
Cost and expenses:
Cost of sales	(1,137,931		)	(178,732		)	162,319			(1,154,344		)
Selling, general and administrative expenses	(71,445		)	(22,229		)	—			(93,674		)
Total operating costs and expenses	(1,209,376		)	(200,961		)	162,319			(1,248,018		)
Income (loss) from operations	54,091			(4,562		)	(3,855		)	45,674
Interest expense, net	(22,981		)	(418		)	—			(23,399		)
Earnings (loss) before income taxes	31,110			(4,980		)	(3,855		)	22,275
Income tax (provision) benefit	(11,857		)	4,582			1,415			(5,860		)
Equity in loss of subsidiary	(398		)	—			398			—
Net earnings (loss)	$	18,855		$	(398	)	$	(2,042	)	$	16,415
Other comprehensive income, net of tax	784			—			—			784
Comprehensive income (loss)	$	19,639		$	(398	)	$	(2,042	)	$	17,199

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Clearwater Paper Corporation

Consolidating Statement of Operations and Comprehensive Income

Three Months Ended September 30, 2016

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
Net sales	$	421,617		$	70,912		$	(57,209	)	$	435,320
Cost and expenses:
Cost of sales	(388,817		)	(64,997		)	57,209			(396,605		)
Selling, general and administrative expenses	(27,453		)	(1,982		)	—			(29,435		)
Total operating costs and expenses	(416,270		)	(66,979		)	57,209			(426,040		)
Income from operations	5,347			3,933			—			9,280
Interest expense, net	(7,411		)	(109		)	—			(7,520		)
(Loss) earnings before income taxes	(2,064		)	3,824			—			1,760
Income tax benefit (provision)	661			(1,520		)	—			(859		)
Equity in income of subsidiary	2,304			—			(2,304		)	—
Net earnings	$	901		$	2,304		$	(2,304	)	$	901
Other comprehensive income, net of tax	1,759			—			—			1,759
Comprehensive income	$	2,660		$	2,304		$	(2,304	)	$	2,660

Clearwater Paper Corporation

Consolidating Statement of Operations and Comprehensive Income

Nine Months Ended September 30, 2016

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
Net sales	$	1,266,300		$	216,361		$	(173,466	)	$	1,309,195
Cost and expenses:
Cost of sales	(1,102,229		)	(198,340		)	173,466			(1,127,103		)
Selling, general and administrative expenses	(85,107		)	(9,778		)	—			(94,885		)
Total operating costs and expenses	(1,187,336		)	(208,118		)	173,466			(1,221,988		)
Income from operations	78,964			8,243			—			87,207
Interest expense, net	(22,427		)	(132		)	—			(22,559		)
Earnings before income taxes	56,537			8,111			—			64,648
Income tax provision	(20,933		)	(3,504		)	—			(24,437		)
Equity in income of subsidiary	4,607			—			(4,607		)	—
Net earnings	$	40,211		$	4,607		$	(4,607	)	$	40,211
Other comprehensive income, net of tax	2,585			—			—			2,585
Comprehensive income	$	42,796		$	4,607		$	(4,607	)	$	42,796

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Clearwater Paper Corporation

Consolidating Balance Sheet

At September 30, 2017

(In thousands)	Issuer			Guarantor Subsidiaries		Eliminations			Total
ASSETS
Current assets:
Cash and cash equivalents	$	8,478		$	—	$	—		$	8,478
Receivables, net	116,392			19,554		—			135,946
Taxes receivable	14,543			35		—			14,578
Inventories	221,233			40,455		(3,855		)	257,833
Other current assets	5,846			604		—			6,450
Total current assets	366,492			60,648		(3,855		)	423,285
Property, plant and equipment, net	898,859			115,976		—			1,014,835
Goodwill	244,283			—		—			244,283
Intangible assets, net	2,351			32,177		—			34,528
Intercompany receivable (payable)	(4,041		)	186		3,855			—
Investment in subsidiary	144,691			—		(144,691		)	—
Other assets, net	11,787			3,466		(3,173		)	12,080
TOTAL ASSETS	$	1,664,422		$	212,453	$	(147,864	)	$	1,729,011
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Borrowings under revolving credit facilities	$	110,000		$	—	$	—		$	110,000
Accounts payable and accrued liabilities	241,938			21,210		—			263,148
Current liability for pensions and   other postretirement employee benefits	7,821			—		—			7,821
Total current liabilities	359,759			21,210		—			380,969
Long-term debt	570,331			—		—			570,331
Liability for pensions and   other postretirement employee benefits	78,440			—		—			78,440
Other long-term obligations	40,800			142		—			40,942
Accrued taxes	1,721			836		—			2,557
Deferred tax liabilities	127,009			45,574		(3,173		)	169,410
TOTAL LIABILITIES	1,178,060			67,762		(3,173		)	1,242,649
Stockholders’ equity excluding accumulated other comprehensive loss	537,331			144,691		(144,691		)	537,331
Accumulated other comprehensive loss, net of tax	(50,969		)	—		—			(50,969		)
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$	1,664,422		$	212,453	$	(147,864	)	$	1,729,011

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Clearwater Paper Corporation

Consolidating Balance Sheet

At December 31, 2016

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
ASSETS
Current assets:
Cash and cash equivalents	$	19,586		$	3,415		$	—		$	23,001
Receivables, net	130,098			27,252			(10,276		)	147,074
Taxes receivable	15,143			35			(5,469		)	9,709
Inventories	208,472			51,432			(1,875		)	258,029
Other current assets	8,161			521			—			8,682
Total current assets	381,460			82,655			(17,620		)	446,495
Property, plant and equipment, net	802,064			143,264			—			945,328
Goodwill	244,283			—			—			244,283
Intangible assets, net	3,135			37,350			—			40,485
Intercompany receivable (payable)	30,034			(31,909		)	1,875			—
Investment in subsidiary	145,089			—			(145,089		)	—
Other assets, net	8,433			2,853			(3,535		)	7,751
TOTAL ASSETS	$	1,614,498		$	234,213		$	(164,369	)	$	1,684,342
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Borrowings under revolving credit facilities	$	135,000		$	—		$	—		$	135,000
Accounts payable and accrued liabilities	202,187			37,257			(15,745		)	223,699
Current liability for pensions and   other postretirement employee benefits	7,821			—			—			7,821
Total current liabilities	345,008			37,257			(15,745		)	366,520
Long-term debt	569,755			—			—			569,755
Liability for pensions and   other postretirement employee benefits	81,812			—			—			81,812
Other long-term obligations	41,424			352			—			41,776
Accrued taxes	1,614			820			—			2,434
Deferred tax liabilities	105,012			50,695			(3,535		)	152,172
TOTAL LIABILITIES	1,144,625			89,124			(19,280		)	1,214,469
Stockholders’ equity excluding accumulated other comprehensive loss	521,626			145,089			(145,089		)	521,626
Accumulated other comprehensive loss, net of tax	(51,753		)	—			—			(51,753		)
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$	1,614,498		$	234,213		$	(164,369	)	$	1,684,342

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Clearwater Paper Corporation

Consolidating Statement of Cash Flows

Nine Months Ended September 30, 2017

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings (loss)	$	18,855		$	(398	)	$	(2,042	)	$	16,415
Adjustments to reconcile net earnings (loss) to   net cash flows from operating activities:
Depreciation and amortization	56,642			22,826			—			79,468
Equity-based compensation expense	2,523			—			—			2,523
Deferred tax provision (benefit)	19,531			(4,929		)	—			14,602
Employee benefit plans	(2,999		)	—			—			(2,999		)
Disposal of plant and equipment, net	481			3,274			—			3,755
Other, net	874			—			—			874
Changes in working capital, net	32,501			3,896			7,449			43,846
Changes in taxes receivable, net	600			—			(5,469		)	(4,869		)
Other, net	(413		)	(1,026		)	—			(1,439		)
Net cash flows from operating activities	128,595			23,643			(62		)	152,176
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(132,725		)	(3,925		)	—			(136,650		)
Other, net	283			470			—			753
Net cash flows from investing activities	(132,442		)	(3,455		)	—			(135,897		)
CASH FLOWS FROM FINANCING ACTIVITIES
Purchase of treasury stock	(4,875		)	—			—			(4,875		)
Borrowings on revolving credit facilities	185,000			—			—			185,000
Repayments of borrowings on revolving credit facilities	(210,000		)	—			—			(210,000		)
Investment from (to) parent	23,541			(23,603		)	62			—
Other, net	(927		)	—			—			(927		)
Net cash flows from financing activities	(7,261		)	(23,603		)	62			(30,802		)
Decrease in cash and cash equivalents	(11,108		)	(3,415		)	—			(14,523		)
Cash and cash equivalents at beginning of period	19,586			3,415			—			23,001
Cash and cash equivalents at end of period	$	8,478		$	—		$	—		$	8,478

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Clearwater Paper Corporation

Consolidating Statement of Cash Flows

Nine Months Ended September 30, 2016

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings	$	40,211		$	4,607		$	(4,607	)	$	40,211
Adjustments to reconcile net earnings to net   cash flows from operating activities:
Depreciation and amortization	50,214			15,707			—			65,921
Equity-based compensation expense	9,826			—			—			9,826
Deferred tax provision (benefit)	11,641			1,826			(1,138		)	12,329
Employee benefit plans	(500		)	—			—			(500		)
Disposal of plant and equipment, net	30			—			—			30
Other, net	471			13			—			484
Changes in working capital, net	1,961			4,531			(2,447		)	4,045
Changes in taxes receivable, net	6,178			(1,408		)	2,447			7,217
Other, net	(1,205		)	(613		)	1,138			(680		)
Net cash flows from operating activities	118,827			24,663			(4,607		)	138,883
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(99,912		)	(5,602		)	—			(105,514		)
Other, net	250			—			—			250
Net cash flows from investing activities	(99,662		)	(5,602		)	—			(105,264		)
CASH FLOWS FROM FINANCING ACTIVITIES
Purchase of treasury stock	(51,528		)	—			—			(51,528		)
Borrowings on revolving credit facilities	944,844			—			—			944,844
Repayments of borrowings on revolving credit facilities	(931,832		)	—			—			(931,832		)
Investment from (to) parent	14,454			(19,061		)	4,607			—
Other, net	(382		)	—			—			(382		)
Net cash flows from financing activities	(24,444		)	(19,061		)	4,607			(38,898		)
Decrease in cash and cash equivalents	(5,279		)	—			—			(5,279		)
Cash and cash equivalents at beginning of period	5,610			—			—			5,610
Cash and cash equivalents at end of period	$	331		$	—		$	—		$	331

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ITEM 2.

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

FORWARD-LOOKING STATEMENTS

Our disclosure, discussion and analysis in 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 statements regarding the benefits of, and expenses related to, the Oklahoma City closure, asset transfer and sublease, the costs, timing and benefits of optimization and strategic capital projects, benefits of the Manchester Industries acquisition, costs and timing associated with the Shelby, North Carolina facility expansion, operating costs, raw materials and input usage and costs, timing and costs related to major maintenance and repairs, capital expenditures, energy costs and usage, cash flows, tax rates, liquidity, and market risks. Words such as anticipate, expect, intend, plan, target, project, believe, schedule, estimate, may, and similar expressions are intended to identify such forward-looking statements. These forward-looking statements are based on management’s current expectations, estimates, assumptions and projections that are subject to change. Our actual results of operations may differ materially from those expressed or implied by the forward-looking statements contained in this report. Important factors that could cause or contribute to such differences include those risks discussed in the section entitled “Risk Factors” in our 2016 Form 10-K, as well as the following:

• our ability to execute on our growth and expansion strategies;

• unanticipated construction delays involving our planned new tissue manufacturing operations in Shelby, North Carolina;

• competitive pricing pressures for our products, including as a result of increased capacity as additional manufacturing facilities are operated by our competitors;

• customer acceptance and timing and quantity of purchases of our tissue products, including the existence of sufficient demand for and the quality of tissue produced at our recently announced Shelby, North Carolina facility expansion when it becomes operational;

• changes in the U.S. and international economies and in general economic conditions in the regions and industries in which we operate;

• the loss of or changes in prices in regards to a significant customer;

• our ability to successfully implement our operational efficiencies and cost savings strategies;

• changes in customer product preferences and competitors' product offerings;

• manufacturing or operating disruptions, including IT system and IT system implementation failures, equipment malfunction and damage to our manufacturing facilities;

• changes in transportation costs and disruptions in transportation services;

• changes in the cost and availability of wood fiber and wood pulp;

• labor disruptions;

• cyclical industry conditions;

• changes in costs for and availability of packaging supplies, chemicals, energy and maintenance and repairs;

• environmental liabilities or expenditures;

• our ability to realize the expected benefits of our Manchester Industries acquisition;

• changes in expenses and required contributions associated with our pension plans;

• cyber-security risks;

• reliance on a limited number of third-party suppliers for raw materials;

• our inability to service our debt obligations;

• restrictions on our business from debt covenants and terms; and

• changes in laws, regulations or industry standards affecting our business.

Forward-looking statements contained in this report present management’s 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 management’s views to reflect events or circumstances occurring after the date of this report.

OVERVIEW

Background

We manufacture quality consumer tissue, away-from-home tissue, parent roll tissue, bleached paperboard and pulp at manufacturing facilities across the nation. We are a premier supplier of private label tissue to major retailers and wholesale distributors, including grocery, drug, mass merchant and discount stores. In addition, we produce bleached paperboard used by quality-conscious printers and packaging converters. Our employees build shareholder value by developing strong customer partnerships through quality and service.

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Recent Events

Acquisition of Manchester Industries

On December 16, 2016, we acquired Manchester Industries, an independently-owned paperboard sales, sheeting and distribution supplier to the packaging and commercial print industries, for total consideration of $71.7 million. The addition of Manchester Industries' customers to our paperboard business extends our reach and service platform to small and mid-sized folding carton plants, by offering a range of converting services that include custom sheeting, slitting, and cutting. These converting operations include five strategically located facilities in Virginia, Pennsylvania, Indiana, Texas, and Michigan.

Strategic Capital Projects

As part of our focus on strategic capital spending on projects that we expect to provide a positive return on investments, we announced in September 2015 the construction of a continuous pulp digester at our Lewiston, Idaho, pulp and paperboard facility. Construction of the pulp digester was completed and start-up began at the end of the third quarter. As of September 30, 2017, we have incurred a total of $132.0 million in total project costs, of which $13.8 million was incurred in the third quarter of 2017. We have also capitalized $5.7 million of interest related to the project, of which $1.2 million was capitalized in the third quarter of 2017. We estimate that the total cost for this pulp optimization project will be approximately $153 million, excluding estimated capitalized interest, with the majority of the remaining capital to be spent in the fourth quarter as we ramp up the pulp digester. We anticipate that this project will significantly reduce air emissions, result in operational improvements through increased pulp quality and production, and lower our costs through the more efficient utilization of wood chips.

On February 8, 2017, we announced plans to build a new tissue machine and related converting equipment at a site adjacent to our existing facility in Shelby, North Carolina. The new tissue machine will produce a variety of high-quality private label premium and ultra-premium bath, paper towel and napkin products. At full production capacity, the new tissue machine is expected to produce approximately 70,000 tons of tissue products annually. The estimated cost for the project includes approximately $280 million for the tissue machine, converting equipment and buildings, and approximately $60 million for the purchase and expansion of an existing warehouse that will consolidate all southeastern warehousing in Shelby. We project that the construction of the new facility will be completed in early 2019 and will be fully operational in 2020. During the nine months ended September 30, 2017, we spent $42.0 million on construction related activities and the new tissue machine in Shelby, of which $15.3 million was spent in the third quarter. We have also capitalized $0.5 million of interest related to the Shelby expansion, of which $0.3 million was capitalized in the third quarter of 2017.

Capital Allocation

On December 15, 2015, we announced that our Board of Directors had approved a stock repurchase program authorizing the repurchase of up to $100 millionof our common stock. The repurchase program authorizes purchases of our common stock from time to time through open market purchases, negotiated transactions or other means, including accelerated stock repurchases and 10b5-1 trading plans in accordance with applicable securities laws and other restrictions. We have no obligation to repurchase stock under this program and may suspend or terminate the program at any time. In total, we have repurchased1,440,696 shares of our outstanding common stock as of September 30, 2017, pursuant to this repurchase program, of which84,750shares were repurchased during the first quarter of 2017 at an average price of $57.53 per share. We did not repurchase shares during the second or third quarters of 2017. As of September 30, 2017, we had up to $29.8 millionof authorization remaining pursuant to this stock repurchase program.

Facility Closure

Due to expected productivity gains from cost and optimization programs across the company, we announced the permanent closure of our Oklahoma City converting facility on November 29, 2016. This facility was closed on March 31, 2017. The production from this facility is expected to be more efficiently supplied by our other facilities. For the three and nine months ended September 30, 2017, we incurred closure-related costs of $0.8 million and $6.8 million, respectively.

Notwithstanding the closure, we remain subject to the terms of a long-term master lease applicable to the facility, which expires in May 2023. In October 2017, as a means to significantly reduce our expected cash requirements under the master lease ,we transferred to a third party substantially all of the remaining fixed assets and supplies inventory located at this facility and subleased the facility to the third party for the remaining term of the master lease. In connection with the transfer of fixed assets, we recorded a loss of $4.3 million in the third quarter of 2017 related primarily to the write-down of the transferred assets to their held for sale value. We expect to record a loss of approximately $3 million in the fourth quarter of 2017 related to the execution of the sublease agreement.

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Components and Trends in our Business

Net sales

Net sales predominantly consist of sales of consumer tissue and paperboard products, net of discounts, returns and allowances and any sales taxes collected. Prices for our consumer tissue products tend to be primarily driven by the value of our products to our customers, and are generally priced relative to the prices of branded tissue products. Demand and pricing for our pulp and paperboard products are largely determined by general global market conditions and the demand for high quality paperboard.

Cost of sales
	Three Months Ended September 30,
(Dollars in thousands)	2017				2016
	Cost		Percentage of Sales		Cost		Percentage of Sales		Cost Variance
Wages and benefits	$	68,008	15.9	%	$	76,552	17.6	%	$	(8,544	)
Transportation1	50,243		11.8		46,116		10.6		4,127
Purchased pulp	53,411		12.5		57,289		13.1		(3,878		)
Chemicals	39,768		9.3		40,499		9.3		(731		)
Chips, sawdust and logs	29,801		7.0		33,440		7.7		(3,639		)
Maintenance and repairs2	29,078		6.8		36,129		8.3		(7,051		)
Depreciation	22,359		5.2		20,196		4.6		2,163
Packaging supplies	21,977		5.2		22,031		5.1		(54		)
Energy	22,408		5.3		24,346		5.6		(1,938		)
	337,053		79.0		356,598		81.9		(19,545		)
Other operating costs	49,528		11.6		40,007		9.2		9,521
Total cost of sales	$	386,581	90.6	%	$	396,605	91.1	%	$	(10,024	)
	Nine Months Ended September 30,
(Dollars in thousands)	2017				2016
	Cost		Percentage of Sales		Cost		Percentage of Sales		Cost Variance
Wages and benefits	$	209,181	16.2	%	$	220,627	16.9	%	$	(11,446	)
Transportation1	146,646		11.3		135,962		10.4		10,684
Purchased pulp	144,869		11.2		151,932		11.6		(7,063		)
Chemicals	122,407		9.4		123,418		9.4		(1,011		)
Chips, sawdust and logs	99,887		7.7		109,048		8.3		(9,161		)
Maintenance and repairs2	74,244		5.7		75,779		5.8		(1,535		)
Depreciation	69,266		5.4		58,256		4.5		11,010
Packaging supplies	65,867		5.1		64,396		4.9		1,471
Energy	66,710		5.2		65,529		5.0		1,181
	999,077		77.2		1,004,947		76.8		(5,870		)
Other operating costs	155,267		12.0		122,156		9.3		33,111
Total cost of sales	$	1,154,344	89.2	%	$	1,127,103	86.1	%	$	27,241

¹ Includes internal and external transportation costs.

² Excludes related labor costs.

Wages and benefits. Costs related to our employees primarily consist of wages and related benefit costs and payroll taxes. For the three and nine months ending September 30, 2017, wage and benefit costs decreased compared to the same periods in 2016 primarily due to decreased labor costs resulting from the implementation of our warehouse automation project at several of our Consumer Products segment's facilities, the closure of our Oklahoma City, Oklahoma facility and the December 2016 shutdown of two paper machines at our Neenah, Wisconsin facility, partially offset by annual wage increases.

Transportation. Fuel prices, mileage driven and line-haul rates largely impact transportation costs for the delivery of raw materials to our manufacturing facilities, internal inventory transfers and the delivery of our finished products to customers. Changing fuel

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prices particularly affect our margins for consumer products because we supply customers throughout the U.S. and transport unconverted parent rolls from our tissue mills to our tissue converting facilities. For the three and nine months ended September 30, 2017, transportation costs increased compared to the same periods in 2016 due to increased fuel prices, increased internal shipments as a result of the closure of our Oklahoma City facility, and higher transportation rates due to inclement weather caused by hurricanes in the Southeast in the third quarter of 2017.

Purchased pulp. We purchase a significant amount of the pulp needed to manufacture our consumer products, and to a lesser extent our paperboard, from external suppliers. For the three and nine months ended September 30, 2017, total purchased pulp costs decreased compared to the same periods in 2016 due primarily to reduced tissue shipments and the shutdown of two higher cost paper machines at our Neenah, Wisconsin facility, partially offset by increased purchased pulp usage at our Idaho and Arkansas pulp and paperboard facilities and elevated pulp prices resulting from robust market demand.

Chemicals. We consume a substantial amount of chemicals in the production of pulp and paperboard, as well as in the production of through-air-dried, or TAD, tissue. The chemicals we generally use include polyethylene, caustic, starch, sodium chlorate, latex and paper processing chemicals. A portion of the chemicals used in our manufacturing processes, particularly in the paperboard extrusion process, are petroleum based and are impacted by petroleum prices.

Chemical costs remained flat in the three and nine month periods ending September 30, 2017, compared to the same periods in 2016.

Chips, sawdust and logs. We purchase chips, sawdust and logs to manufacture pulp. We source residual wood fibers under both long-term and short-term supply agreements, as well as in the spot market. Chips, sawdust and log costs decreased for the three and nine months ending September 30, 2017, compared to the same period in 2016, primarily due to lower paperboard shipments and lower wood pricing in the Arkansas region.

Maintenance and repairs. We regularly incur significant costs to maintain our manufacturing equipment. We perform routine maintenance on our machines and periodically replace a variety of parts such as motors, pumps, pipes and electrical parts.

Major equipment maintenance and repairs in our Pulp and Paperboard segment also require maintenance shutdowns approximately every 18 to 24 months at both our Idaho and Arkansas facilities, which increase costs and may reduce net sales in the quarters in which the major maintenance shutdowns occur. During the three months ended September 30, 2017, maintenance and repair spending decreased compared to the same period in 2016 due to lower planned maintenance at several of our Consumer Products segment's facilities, the shutdown of two paper machines at our Neenah, Wisconsin facility and the closure of our Oklahoma City facility, as well as to the timing of planned major maintenance at our Arkansas pulp and paperboard facility. All of the above were partially offset by additional incremental repairs during the scheduled major maintenance at our Lewiston, Idaho pulp and paperboard facility which led to a three day delay in the startup of the paper machines. For the nine months ended September 30, 2017 maintenance and repair spending was slightly lower than in the comparable period in 2016, as increased planned major maintenance spending at our Pulp and Paperboard segment was offset by the decreased maintenance spending in our Consumer Products segment, primarily at our Neenah, Ladysmith, Lewiston and Oklahoma City facilities.

In addition to ongoing maintenance and repair costs, we make capital expenditures to increase our operating capacity and efficiency, improve safety at our facilities, and comply with environmental laws. During the nine months ended September 30, 2017, excluding capitalized interest of $3.4 million, we spent $135.4 million on capital expenditures, which included $104.3 million of capital spending on strategic projects and other projects designed to reduce future manufacturing costs and provide a positive return on investment. During the three and nine months ended September 30, 2016, we spent $54.1 million and $107.8 million, respectively, on capital expenditures, excluding capitalized interest of $0.7 million and $1.6 million, respectively. These additional capital expenditures in the 2017 periods include $34.0 million and $65.9 million, respectively, of capital spending on strategic projects and other projects designed to reduce future manufacturing costs and provide a positive return on investment.

25

Depreciation. We record substantially all of our depreciation expense associated with our plant and equipment in "Cost of sales" on our Consolidated Statements of Operations. Depreciation expense for the three and nine months ended September 30, 2017 increased compared to the same periods in 2016 due primarily to accelerating depreciation in 2017 on certain Oklahoma City assets in association with the March 2017 facility closure, increased depreciation as a result of higher capital spending and the inclusion of depreciation related to the Manchester Industries acquisition.

Energy. We use energy in the form of electricity, hog fuel, steam and natural gas to operate our mills. Energy prices may fluctuate widely from period-to-period due primarily to volatility in temperatures and electricity and natural gas rates. We generally strive to reduce our exposure to volatile energy prices through conservation. In addition, a co-generation facility that produces steam and electricity at our Lewiston, Idaho manufacturing site helps to lower our energy costs. Energy costs for the three months ended September 30, 2017, decreased compared to the same period in 2016 primarily due to decreased usage in our Consumer Products segment as a result of lower shipments, our paper machine shutdowns at Neenah, Wisconsin and our plant closure at Oklahoma City, partially offset by higher seasonal electricity rates at our Las Vegas facility. Energy costs in the nine months ended September 30, 2017 increased compared to the same period in 2016 due to increased pricing for natural gas and increased electricity usage at our Arkansas Pulp and Paperboard facility due to an extended turbine generator outage.

To help mitigate our exposure to changes in natural gas prices, we use firm-price contracts to supply a portion of our natural gas requirements. As of September 30, 2017, these contracts covered approximately 30% of our expected average monthly natural gas requirements for the remainder of 2017, and a lesser amount for 2018.

Packaging supplies. As a significant producer of private label consumer tissue products, we package to order for retail chains, wholesalers and cooperative buying organizations. Under our agreements with those customers, we are responsible for the expenses related to the unique packaging of our products for direct retail sale to their consumers. For the three months ended September 30, 2017, packaging costs remained flat compared to the same period in 2016. For the nine months ended September 30, 2017, packaging costs increased compared to the same period in 2016 due to higher poly and corrugate pricing.

Other. Other costs primarily consist of miscellaneous operating costs, which increased in the three and nine month periods ended September 30, 2017, compared to the same periods in 2016, due primarily to the inclusion of raw material costs for the operations of Manchester Industries, in addition to increases in certain other costs, most notably higher inventory costs recognized in the first quarter of 2017 resulting from planned production curtailments at the end of the fourth quarter of 2016. These increases were partially offset by $4.3 million of insurance recoveries related to claim settlements at our Las Vegas and Shelby facilities, as discussed in Note 14, “Business Interruption and Insurance Recovery,” to the consolidated financial statements included in this Report.

Selling, general and administrative expenses

Selling, general and administrative expenses primarily consist of compensation and associated expenses for sales and administrative personnel, as well as commission expenses related to sales of our products.

Interest expense

Interest expense for the three and nine months ended September 30, 2017 and 2016 includes interest on our $275 million aggregate principal amount of 4.5% senior notes issued in January 2013 and due 2023, which we refer to as the 2013 Notes, and interest on our $300 million aggregate principal amount of 5.375% senior notes issued in 2014 and due 2025, which we refer to as the 2014 Notes. Interest expense also includes interest on the amount drawn under our revolving credit facilities and amortization of deferred issuance costs associated with all of our notes and revolving credit facilities.

Income taxes

Income taxes are based on reported earnings and tax rates in the jurisdictions in which our operations occur and offices are located, adjusted for available credits, changes in valuation allowances and differences between reported earnings and taxable income using current tax laws and rates. We generally expect our effective income tax rate, excluding discrete items, to remain fairly constant, although it could fluctuate due to changes in tax law.

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RESULTS OF OPERATIONS

Three Months Ended September 30, 2017 Compared to Three Months Ended September 30, 2016

The following table sets forth data included in our Consolidated Statements of Operations as a percentage of net sales.

	Three Months Ended September 30,
(Dollars in thousands)	2017					2016
Net sales	$	426,504		100.0	%	$	435,320		100.0	%
Costs and expenses:
Cost of sales	(386,581		)	90.6		(396,605		)	91.1
Selling, general and administrative expenses	(34,472		)	8.1		(29,435		)	6.8
Total operating costs and expenses	(421,053		)	98.7		(426,040		)	97.9
Income from operations	5,451			1.3		9,280			2.1
Interest expense, net	(7,683		)	1.8		(7,520		)	1.7
(Loss) earnings before income taxes	(2,232		)	0.5		1,760			0.4
Income tax benefit (provision)	3,095			0.7		(859		)	0.2
Net earnings	$	863		0.2	%	$	901		0.2	%

Net sales—Third quarter 2017 net sales decreased by $8.8 million compared to the third quarter of 2016. This decrease was primarily the result of lower away-from-home and retail tissue sales, as well as lower parent roll sales due primarily to the paper machine shutdowns at our Neenah, Wisconsin facility in the fourth quarter of 2016 and weather related events in the third quarter of 2017. Partially offsetting these decreases were increased sales in our Pulp and Paperboard segment as a result of increased sales volumes resulting from the Manchester Industries acquisition and higher paperboard prices. These items are further discussed below under “Discussion of Business Segments.”

Cost of sales—Cost of sales was 90.6% of net sales for the third quarter of 2017 and 91.1% of net sales for the same period in 2016. Our overall cost of sales were $10.0 million lower than the third quarter of 2016, primarily as a result of lower wage and benefit and maintenance costs due to the shutdown of two of our paper machines at our Neenah, Wisconsin facility and the closure of our Oklahoma City, Oklahoma facility, in addition to the implementation of our warehouse automation project at several of our Consumer Products segment's facilities. These lower costs were partially offset by increased transportation costs, due to increased fuel pricing and additional internal shipments as a result of the closure of our Oklahoma City facility, the inclusion of Manchester Industries' operating costs in the third quarter of 2017, and elevated pulp prices resulting from robust market demand.  

Selling, general and administrative expenses—Selling, general and administrative expenses for the third quarter of 2017 increased $5.0 million compared to the third quarter of 2016. The higher expense was primarily a result of $4.3 million of asset writedowns to held for sale value on certain Oklahoma City assets, $0.5 million of mark-to-market expense during the third quarter of 2017, compared to $0.1 million of mark-to-market expense during the third quarter of 2016, related to our directors' common stock units, which will ultimately be settled in cash, and increased amortization expense attributable to intangible assets acquired in connection with the purchase of Manchester Industries in the fourth quarter of 2016. These unfavorable impacts were partially offset by lower profit dependent accruals for the three months ended September 30, 2017, compared to the same period in 2016, and the absence of a $1.6 million pension settlement charge recorded during the third quarter of 2016.

Interest expense—Interest expense for the third quarter of 2017 increased by $0.2 million due to higher interest expense associated with higher borrowings under our revolving credit facilities, partially offset by capitalized interest of $1.5 million for the third quarter of 2017, compared to capitalized interest of $0.7 million for the third quarter of 2016.

Income tax provision—We recorded an income tax benefit of $3.1 million for the three months ended September 30, 2017, compared to income tax expense of $0.9 million in the same period in 2016. The benefit in the third quarter of 2017 was primarily driven by the pre-tax loss for the quarter, increased by federal tax credits of $2.4 million.

During the third quarters of 2017 and 2016, there were a number of items that were included in the calculation of our income tax provision that we do not believe were indicative of our core operating performance. Excluding these items, the tax rate for the three months ended September 30, 2017 would have been approximately 18% compared to an adjusted rate of approximately 41% for the three months ended September 30, 2016. See the section entitled “Non-GAAP Measures” on page 32 of this report for a reconciliation of these adjusted income tax provision amounts to the comparable GAAP income tax provision amounts.

27

Discussion of Business Segments

Consumer Products

	Three Months Ended
	September 30,
(Dollars in thousands - except per ton amounts)	2017			2016
Net sales	$	232,916		$253,319
Operating income	4,436			17,201
Percent of net sales	1.9		%	6.8		%
Shipments (short tons)
Non-retail	12,958			18,384
Retail	77,544			82,216
Total tissue tons	90,502			100,600
Converted products cases (in thousands)	12,727			13,770
Sales price (per short ton)
Non-retail	$	1,468		$	1,506
Retail	2,754			2,742
Total tissue	$	2,574		$	2,516

Net sales for the Consumer Products segment during the third quarter of 2017decreased$20.4 million compared to the third quarter of 2016 as the result of a 10.0% reduction in sales volume, driven by lower away-from-home and retail tissue sales, lower parent roll sales due primarily to the paper machine shutdowns at our Neenah, Wisconsin facility in the fourth quarter of 2016, and weather related events in the third quarter of 2017. These decreases were partially offset by a favorable mix shift due to reduced sales of lower priced parent rolls, away-from-home products and contract manufacturing and increased sales of TAD bathroom tissue and paper towels.

Segment operating income for the third quarter of 2017decreased by $12.8 million, compared to the third quarter of 2016, due primarily to the decreased sales, higher costs for transportation caused by disruption as a result of two hurricanes as well as additional internal shipments as a result of the closure of our Oklahoma City facility, higher pulp prices and higher packaging supply costs. Additionally, third quarter 2017 operating income for the segment included $4.3 million of asset writedowns to held for sale value on certain Oklahoma City assets. These unfavorable impacts were partially offset by lower wage and benefit and maintenance costs resulting from the shutdown of the two paper machines at our Neenah facility, the closure of our Oklahoma City facility, and reduced wage and benefit costs resulting from the implementation of our warehouse automation project at several facilities.

Pulp and Paperboard

	Three Months Ended
	September 30,
(Dollars in thousands - except per ton amounts)	2017			2016
Net sales	$	193,588		$	182,001
Operating income	15,023			9,956
Percent of net sales	7.8		%	5.5		%
Paperboard shipments (short tons)	200,569			196,271
Paperboard sales price (per short ton)	$	965		$	927

Net sales for the Pulp and Paperboard segment increased by $11.6 million during the third quarter of 2017, compared to the third quarter of 2016. The increase was due primarily to increased paperboard shipments, which included sales from Manchester Industries. In addition, overall pricing per short ton increased due to a favorable mix shift also due in part to the inclusion of Manchester Industries.

Operating income for the segment increased$5.1 million during the third quarter of 2017, compared to the third quarter of 2016, primarily due to increased sales and lower wood fiber, maintenance, and wage and benefits costs. These favorable impacts were partially offset by higher transportation and supply costs associated with Manchester Industries, in addition to increased depreciation.

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RESULTS OF OPERATIONS

Nine Months Ended September 30, 2017 Compared to Nine Months Ended September 30, 2016

The following table sets forth data included in our Consolidated Statements of Operations as a percentage of net sales.

	Nine Months Ended September 30,
(Dollars in thousands)	2017					2016
Net sales	$	1,293,692		100.0	%	$	1,309,195		100.0	%
Costs and expenses:
Cost of sales	(1,154,344		)	89.2		(1,127,103		)	86.1
Selling, general and administrative expenses	(93,674		)	7.2		(94,885		)	7.2
Total operating costs and expenses	(1,248,018		)	96.5		(1,221,988		)	93.3
Income from operations	45,674			3.5		87,207			6.7
Interest expense, net	(23,399		)	1.8		(22,559		)	1.7
Earnings before income taxes	22,275			1.7		64,648			4.9
Income tax provision	(5,860		)	0.5		(24,437		)	1.9
Net earnings	$	16,415		1.3		$	40,211		3.1

Net sales—Net sales for the nine months ended September 30, 2017 decreased by $15.5 million, or 1.2%, compared to the same period in 2016. The decrease was primarily due to decreased shipments during the first nine months of 2017 in our Consumer Products segment and reduced overall net selling prices for paperboard, partially offset by increased shipments in our Pulp and Paperboard segment primarily due to the inclusion of Manchester Industries and a favorable sales mix in both segments. These items are further discussed below under “Discussion of Business Segments.”

Cost of sales—Cost of sales was 89.2% of net sales for the nine months ended September 30, 2017 and 86.1% of net sales for the same period in 2016. Our overall costs of sales were $27.2 million higher than the first nine months of 2016 primarily due to higher energy costs, increased transportation costs caused by disruption as a result of two hurricanes and additional internal shipments as a result of the closure of our Oklahoma City facility, higher pulp pricing, higher depreciation expense, higher costs associated with the inclusion of Manchester Industries, and higher inventory costs in the fourth quarter of 2016 that flowed through cost of sales in the first quarter of 2017. These cost increases were partially offset by lower wage and benefit costs resulting from the implementation of our warehouse automation project at several of our Consumer Products segment's facilities, the shutdown of two paper machines at our Neenah facility, the closure of our Oklahoma City facility as well as insurance recoveries recorded in the first quarter of 2017.

Selling, general and administrative expenses—Selling, general and administrative expenses for the nine months ended September 30, 2017 decreased $1.2 million primarily due to $2.5 million of mark-to-market benefit during the nine months ended September 30, 2017, compared to $4.4 million of mark-to-market expense in the same period of 2016, related to our directors' common stock units, lower profit dependent accruals, and the absence of a $1.6 million pension settlement charge for the first nine months of 2016. These favorable impacts were partially offset by $4.3 million of asset writedowns to their held for sale value on certain Oklahoma City assets and $2.2 million of increased amortization of intangibles resulting from our acquisition of Manchester Industries.

Interest expense—Interest expense for the nine months ended September 30, 2017 increased by $0.8 million compared to the same period in 2016. The increase was driven by a larger average balance on our revolving credit facilities during the nine months ended 2017 compared to the same period in 2016, partially offset by capitalized interest of $3.4 million in the first nine months of 2017 compared to $1.6 million in the same period in 2016.

Income tax provision—We recorded an income tax expense of $5.9 million in the nine months ended September 30, 2017, compared to $24.4 million in the same period of 2016. The rate determined under generally accepted accounting principles, or GAAP, for the nine months ended September 30, 2017 was approximately 26% compared to 38% for the same period of 2016. The net change to our effective tax rate in the nine months ended September 30, 2017, was primarily the result of net benefits from income tax credits.

During the nine months ended September 30, 2017 and 2016, there were a number of items that were included in the calculation of our income tax provision that we do not believe were indicative of our core operating performance. Excluding these items, the tax rates for the nine months ended September 30, 2017 would have been approximately 29% compared to an adjusted rate of approximately 38% for the nine months ended September 30, 2016. See the section entitled “Non-GAAP Measures” on page 32 of this report for a reconciliation of these adjusted income tax provision amounts to the comparable GAAP income tax provision amounts.

29

Discussion of Business Segments

Consumer Products

	Nine Months Ended
	September 30,
(Dollars in thousands - except per ton amounts)	2017			2016
Net sales	$	707,251		$	746,249
Operating income	21,159			54,135
Percent of net sales	3.0		%	7.3		%
Shipments (short tons)
Non-retail	43,372			62,770
Retail	233,944			236,338
Total tissue tons	277,316			299,108
Converted products cases (in thousands)	38,559			39,989
Sales price (per short ton)
Non-retail	$	1,452		$	1,492
Retail	2,750			2,757
Total tissue	$	2,547		$	2,492

Net sales for our Consumer Products segment decreased$39.0 million for the nine months endedSeptember 30, 2017,compared to the same period of 2016, due to lower overall sales volumes. This decrease was driven by lower sales of both finished goods cases and parent rolls. The decreased parent roll sales are the result of our decision to discontinue selling TAD parent rolls in the first quarter of 2016 to support internal converting needs, in addition to the shutdown of two paper machines at our Neenah facility in the fourth quarter of 2016. These unfavorable comparisons were partially offset by a favorable sales mix as increased TAD bathroom tissue and paper towel sales combined with reduced parent roll sales had a favorable average price impact that partially offset the sales volume decrease.

Segment operating income for the nine months ended September 30, 2017decreased by $33.0 million compared to the same period of 2016, largely due to the decreased sales volumes in addition to increased transportation caused by higher fuel prices and additional internal shipments as a result of the closure of our Oklahoma City facility, higher packaging costs and depreciation expense, higher inventory costs in the fourth quarter of 2016 that flowed through cost of sales in the first quarter of 2017, and elevated pulp prices resulting from robust market demand. These cost increases were offset by reduced wage and benefits costs, resulting from the implementation of our warehouse automation project at several facilities, the shutdown of the two paper machines at our Neenah facility in the fourth quarter of 2016, the closure of our Oklahoma City facility, and insurance recoveries recorded in the first quarter of 2017.

Pulp and Paperboard

	Nine Months Ended
	September 30,
(Dollars in thousands - except per ton amounts)	2017			2016
Net sales	$	586,441		$	562,946
Operating income	63,866			85,151
Percent of net sales	10.9		%	15.1		%
Paperboard shipments (short tons)	618,103			596,743
Paperboard sales price (per short ton)	$	949		$	942

Net sales for the Pulp and Paperboard segment increased by $23.5 million during the nine months ended September 30, 2017, compared to the same period of 2016. The increase was primarily due to the inclusion of Manchester Industries.

Operating income for the segment decreased$21.3 million during the nine months ended September 30, 2017, compared to the same period of 2016, primarily due to increased costs for purchased pulp, maintenance and energy, in addition to increased amortization expense resulting from the acquisition of Manchester Industries. These cost increases were partially offset by reduced wood fiber usage and prices at our Arkansas facility.

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NON-GAAP MEASURES

We use earnings before interest, taxes, depreciation and amortization, or EBITDA, EBITDA adjusted for certain items, or Adjusted EBITDA, and Adjusted income tax provision as supplemental performance measures that are not required by, or presented in accordance with GAAP. EBITDA and Adjusted EBITDA should not be considered as alternatives to net earnings, operating income or any other performance measure derived in accordance with GAAP, or as alternatives to cash flows from operating activities or a measure of our liquidity or profitability. In addition, our calculation of EBITDA and Adjusted EBITDA may or may not be comparable to similarly titled measures used by other companies.

We present EBITDA, Adjusted EBITDA and Adjusted income tax provision because we believe they assist investors and analysts in comparing our performance across reporting periods on a consistent basis by excluding items that we do not believe are indicative of our core operating performance. In addition, we use EBITDA and Adjusted EBITDA: (i) as factors in evaluating management’s performance when determining incentive compensation, (ii) to evaluate the effectiveness of our business strategies and (iii) because our credit agreement and the indenture governing the 2013 Notes use metrics similar to EBITDA to measure our compliance with certain covenants.

The following table provides our EBITDA and Adjusted EBITDA for the periods presented, as well as a reconciliation to net earnings.

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(In thousands)	2017			2016			2017			2016
Net earnings	$	863		$	901		$	16,415		$	40,211
Interest expense, net	7,683			7,520			23,399			22,559
Income tax (benefit) provision	(3,095		)	859			5,860			24,437
Depreciation and amortization expense1	25,856			22,747			79,468			65,921
EBITDA	$	31,307		$	32,027		$	125,142		$	153,128
Directors' equity-based compensation expense (benefit)	463			89			(2,470		)	4,425
Costs associated with Oklahoma City facility closure2	5,057			—			7,406			—
Costs associated with Long Island facility closure	314			466			1,145			1,431
Reorganization related expenses	480			—			480			—
Manchester Industries acquisition related expenses	—			—			220			—
Write-off of assets as a result of Warehouse Automation project	—			—			41			—
Pension settlement expense	—			3,482			—			3,482
Gain associated with the sale of the specialty mills, net	—			(1,755		)	—			(1,755		)
Adjusted EBITDA	$	37,621		$	34,309		$	131,964		$	160,711

¹  Depreciation and amortization expense for the three months ended September 30, 2017 includes accelerated depreciation of $0.1 million as a result of the warehouse automation project, as well as $0.3 million associated with the closed Long Island facility. Depreciation and amortization expense for the nine months ended September 30, 2017 includes $3.7 million of accelerated depreciation associated with the Oklahoma City facility closure, $0.4 million as a result of the warehouse automation project, and $0.6 million associated with the closed Long Island facility.

²  Costs associated with the Oklahoma City facility closure for both the three and nine months ended September 30, 2017 include $4.3 million of loss on the writedown of assets to their held for sale value.

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The following table provides our Adjusted income tax provisions for the three and nine months ended September 30, 2017 and 2016, as well as a reconciliation to income tax provision.

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(In thousands)	2017			2016			2017			2016
GAAP Income tax benefit (provision)	$	3,095		$	(859	)	$	(5,860	)	$	(24,437	)
Special items, tax impact:
Directors' equity-based compensation (expense) benefit	(157		)	(32		)	831			(1,568		)
Costs associated with Oklahoma City facility closure	(1,719		)	—			(3,762		)	—
Costs associated with Long Island facility closure	(208		)	(166		)	(586		)	(509		)
Reorganization related expenses	(163		)	—			(163		)	—
Accelerated depreciation of assets as a result of Warehouse Automation project	(41		)	—			(121		)	—
Manchester Industries acquisition related expenses	—			—			(74		)	—
Write-off of assets as a result of Warehouse Automation project	—			—			(14		)	—
Pension settlement expense	—			(1,242		)	—			(1,242		)
Gain associated with the sale of the specialty mills, net	—			626			—			626
Adjusted income tax benefit (provision)	$	807		$	(1,673	)	$	(9,749	)	$	(27,130	)

LIQUIDITY AND CAPITAL RESOURCES

The following table presents information regarding our cash flows for the nine months ended September 30, 2017 and 2016:

(In thousands)	2017			2016
Net cash flows from operating activities	$	152,176		$	138,883
Net cash flows from investing activities	(135,897		)	(105,264		)
Net cash flows from financing activities	(30,802		)	(38,898		)

Cash Flows Summary

Net cash flows provided by operating activities for the nine months ended September 30, 2017 increased by $13.3 million compared to the same period in 2016. The increase in operating cash flows was driven by cash provided by working capital of $43.8 million during the nine months ended September 30, 2017, primarily related to an increase in accounts payable and accrued liabilities, compared to cash provided by working capital of $4.0 million for the same period in 2016. These sources of cash were partially offset by a decrease in net earnings after adjusting for non-cash related items compared to the nine months ended September 30, 2016.

Net cash flows used for investing activities increased by $30.6 million primarily due to additions to plant and equipment. Capital spending for plant and equipment increased by $31.1 million compared to the same period in 2016 due to our continued focus on strategic capital projects, including our continuous pulp digester project at our Lewiston, Idaho facility and the new tissue machine at our Shelby, North Carolina facility.

Net cash flows used for financing activities were $30.8 million for the first nine months of 2017, and were largely driven by net repayments of $25.0 million on our revolving credit facilities and $4.9 million in repurchases of our outstanding common stock pursuant to our most recent $100 million stock repurchase program. Borrowings and repayments on our credit facilities are presented gross on our Consolidated Statements of Cash Flows. Net cash flows used for financing activities were $38.9 million for the first nine months of 2016, due largely to $51.5 million in repurchases of our outstanding common stock pursuant to our stock repurchase program, partially offset by net borrowings of $13.0 million on our revolving credit facilities.

Capital Resources

Due to the competitive and cyclical nature of the markets in which we operate, there is uncertainty regarding the amount of cash flows we will generate during the next twelve months. However, we believe that our cash flows from operations, our cash on hand, and our borrowing capacity under our senior secured revolving credit facilities will be adequate to fund our debt service requirements and provide cash required to support our ongoing operations, capital expenditures, stock repurchase program and working capital needs for the next twelve months.

32

We may choose to refinance all or a portion of our indebtedness on or before maturity. We cannot be certain that we will be able to refinance any of our indebtedness on commercially reasonable terms or at all.

Debt Arrangements

Our annual debt service obligation, consisting of cash payments for interest on the 2013 Notes and the 2014 Notes, is estimated to be $28.5 million for 2017. The terms of the 2013 Notes limit our ability and the ability of any restricted subsidiaries to borrow money, pay dividends, redeem or repurchase capital stock, make investments, sell assets, create restrictions on the payment of dividends or other amounts to us from any restricted subsidiaries, enter into transactions with affiliates, enter into sale and lease back transactions, create liens, and consolidate, merge or sell all or substantially all of our assets. The terms of the 2014 Notes limit our ability and the ability of any restricted subsidiaries to incur certain liens, engage in sale and leaseback transactions and consolidate, merge with, or convey, transfer, or lease substantially all of our or their assets to another person.

Credit Arrangements

See Note 7, "Debt" to the consolidated financial statements included in this Report for a discussion of our revolving credit facilities.

CONTRACTUAL OBLIGATIONS

As of September 30, 2017, there were no significant changes to the contractual obligations table disclosed in our Annual Report on Form 10-K for the year ended December 31, 2016.

OFF-BALANCE SHEET ARRANGEMENTS

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

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

The preparation of financial statements in accordance with GAAP requires our management to select and apply accounting policies that best provide the framework to report our results of operations and financial position. The selection and application of those policies requires management to make difficult, subjective and complex judgments concerning reported amounts of revenue and expenses during the reporting period and the reported amounts of assets and liabilities at the date of the financial statements. As a result, it is possible that materially different amounts would be reported under different conditions or using different assumptions.

As of September 30, 2017, there have been no significant changes with regard to the critical accounting policies disclosed in our Annual Report on Form 10-K for the year ended December 31, 2016.

See Note 2 "Recently Adopted and New Accounting Standards" to the Consolidated Financial Statements included in Item 1 of this Quarterly Report on Form 10-Q for additional information regarding recently adopted and new accounting pronouncements.

ITEM 3.

Quantitative and Qualitative Disclosures About Market Risk

Interest Rate Risk

Our exposure to market risks on financial instruments includes interest rate risk on our secured revolving credit facilities. As of September 30, 2017, there were $110.0 million in borrowings outstanding under our revolving credit facilities. The interest rates applied to borrowings under the credit facilities are adjusted often and therefore react quickly to any movement in the general trend of market interest rates. For example, a one percentage point increase or decrease in interest rates, based on assumed outstanding credit facilities' borrowings of $110.0 million, would have an approximate $1.1 million annual effect on interest expense. During the nine months ended September 30, 2017, we reduced our short-term interest rate risk through the use of a short-term LIBOR Rate option for our outstanding credit facilities' borrowings balance of $100.0 million. We currently do not attempt to alleviate the effects of short-term interest rate fluctuations on our credit facility borrowings through the use of derivative financial instruments.

Commodity Risk

We are exposed to market risk for changes in natural gas commodity pricing, which we partially mitigate through the use of firm price contracts for a portion of our natural gas requirements for our manufacturing facilities. As of September 30, 2017, these contracts covered approximately 30% of our expected average monthly natural gas requirements for the remainder of 2017, and a lesser amount for 2018.

Foreign Currency Risk

We have minimal foreign currency exchange risk. Virtually all of our international sales are denominated in U.S. dollars.

33

ITEM 4.

Controls and Procedures

We maintain “disclosure controls and procedures,” as such term is defined in Rule 13a-15(e) under the Securities and Exchange Act of 1934, or the Exchange Act, that are designed to ensure that information required to be disclosed by us in reports that we file or submit under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in SEC rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer, or CEO, and Chief Financial Officer, or CFO, as appropriate, to allow timely decisions regarding required disclosure. In designing and evaluating our disclosure controls and procedures, management recognized that disclosure controls and procedures, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the disclosure controls and procedures are met. Additionally, in designing disclosure controls and procedures, our management necessarily was required to apply its judgment in evaluating the cost-benefit relationship of possible disclosure controls and procedures. The design of disclosure controls and procedures is also based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions.

Subject to the limitations noted above, our management, with the participation of our CEO and CFO, has evaluated the effectiveness of the design and operation of our disclosure controls and procedures as of the end of the third quarter of 2017. Based on that evaluation, the CEO and CFO have concluded that, as of September 30, 2017, our disclosure controls and procedures were effective to meet the objective for which they were designed and operated at the reasonable assurance level.

Changes in Internal Controls

There was no change in our internal control over financial reporting during our most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

34

Part II

ITEM 1.

Legal Proceedings

We may from time to time be involved in claims, proceedings and litigation arising from our business and property ownership. We believe, based on currently available information, that the results of such proceedings, in the aggregate, will not have a material adverse effect on our financial condition.

ITEM 1A.

Risk Factors

There are no material changes from the risk factors previously disclosed in our Annual Report on Form 10-K for the year ended December 31, 2016. See Part I, Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2016, entitled “Risk Factors.”

ITEM 2.

Unregistered Sales of Equity Securities and Uses of Proceeds

Issuer Purchases of Equity Securities

Refer to the "Stockholders' Equity" section of Note 1, "Nature of Operations and Basis of Presentation," to the consolidated financial statements included in this Report for discussion of issuer purchases of equity securities.

We did not repurchase shares during the three months ended September 30, 2017.

ITEM 6.

Exhibits

EXHIBIT NUMBER	DESCRIPTION
(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.INS	XBRL Instance Document.
101.SCH	XBRL Taxonomy Extension Schema.
101.CAL	XBRL Taxonomy Extension Calculation Linkbase.
101.DEF	XBRL Taxonomy Extension Definition Linkbase.
101.LAB	XBRL Taxonomy Extension Label Linkbase.
101.PRE	XBRL Taxonomy Extension Presentation Linkbase.

_*  In accordance with Item 601(b)(32)(ii) of Regulation S-K and SEC Release No. 34-47986, the certifications furnished in Exhibit 32 hereto are deemed to accompany this Form 10-Q and will not be deemed “filed” for purposes of Section 18 of the Exchange Act. Such certifications will not be deemed to be incorporated by reference into any filing under the Securities Act or the Exchange Act.

35

SIGNATURES

Pursuant to the requirements 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.

		CLEARWATER PAPER CORPORATION
		(Registrant)
October 30, 2017	By		/s/ JOHN D. HERTZ
			John D. Hertz
			Senior Vice President, Finance and
			Chief Financial Officer
			(Duly Authorized Officer; Principal
			Financial Officer)
October 30, 2017	By		/s/ ROBERT N. DAMMARELL
			Robert N. Dammarell
			Vice President, Corporate Controller
			(Duly Authorized Officer; Principal
			Accounting Officer)

36

EX-31

Exhibit (31)

CERTIFICATION

I, Linda K. Massman, certify that:

1. I have reviewed this report on Form 10-Q of Clearwater Paper 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(s) 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(s) 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: 10/30/2017	/S/    LINDA K. MASSMAN
	Linda K. Massman
	President and Chief Executive Officer

CERTIFICATION

I, John D. Hertz, certify that:

1. I have reviewed this report on Form 10-Q of Clearwater Paper 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(s) 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(s) 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: 10/30/2017	/S/     JOHN D. HERTZ
	John D. Hertz
	Senior Vice President, Finance and Chief Financial Officer

EX-32

Exhibit (32)

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Linda K. Massman, President and Chief Executive Officer of Clearwater Paper Corporation (the “Company”), certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

(1) the Quarterly Report of the Company on Form 10-Q for the period ended September 30, 2017, 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/    LINDA K. MASSMAN

Linda K. Massman

President and Chief Executive Officer

October 30, 2017

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.

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, John D. Hertz, Senior Vice President, Finance and Chief Financial Officer of Clearwater Paper Corporation (the “Company”), certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

(1) the Quarterly Report of the Company on Form 10-Q for the period ended September 30, 2017, 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/    JOHN D. HERTZ        

John D. Hertz

Senior Vice President, Finance and Chief Financial Officer

October 30, 2017

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.

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Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2017	Oct. 27, 2017
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Trading Symbol	CLW
Entity Registrant Name	CLEARWATER PAPER CORP
Entity Central Index Key	0001441236
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		16,433,415

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Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Net sales	$ 426,504	$ 435,320	$ 1,293,692	$ 1,309,195
Costs and expenses:
Cost of sales	(386,581)	(396,605)	(1,154,344)	(1,127,103)
Selling, general and administrative expenses	(34,472)	(29,435)	(93,674)	(94,885)
Total operating costs and expenses	(421,053)	(426,040)	(1,248,018)	(1,221,988)
Income from operations	5,451	9,280	45,674	87,207
Interest expense, net	(7,683)	(7,520)	(23,399)	(22,559)
Earnings (loss) before income taxes	(2,232)	1,760	22,275	64,648
Income tax provision	3,095	(859)	(5,860)	(24,437)
Net earnings (loss)	$ 863	$ 901	$ 16,415	$ 40,211
Net earnings per common share:
Basic (in dollars per share)	$ 0.05	$ 0.05	$ 1.00	$ 2.35
Diluted (in dollars per share)	$ 0.05	$ 0.05	$ 0.99	$ 2.33

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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net earnings	$ 863	$ 901	$ 16,415	$ 40,211
Defined benefit pension and other postretirement employee benefits:
Amortization of actuarial loss included in net periodic cost, net of tax of $319, $248, $967 and $1,113	487	384	1,475	1,723
Amortization of prior service credit included in net periodic cost, net of tax of $(152), $(165), $(454) and $(497)	(230)	(257)	(691)	(770)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, net of Tax	0	1,632	0	1,632
Other comprehensive income (loss), net of tax	257	1,759	784	2,585
Comprehensive income	$ 1,120	$ 2,660	$ 17,199	$ 42,796

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Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Amortization of actuarial loss included in net periodic cost, tax expense	$ 319	$ 248	$ 967	$ 1,113
Amortization of prior service credit included in net periodic cost, tax benefit	(152)	(165)	(454)	(497)
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Tax	$ 0	$ 1,054	$ 0	$ (1,054)

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Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash	$ 8,478	$ 23,001
Restricted cash	0	0
Short-term investments	0	0
Receivables, net	135,946	147,074
Taxes receivable	14,578	9,709
Inventories	257,833	258,029
Other Assets, Current	6,450	8,682
Total current assets	423,285	446,495
Property, plant and equipment, net	1,014,835	945,328
Goodwill	244,283	244,283
Intangible assets, net	34,528	40,485
Other assets, net	12,080	7,751
TOTAL ASSETS	1,729,011	1,684,342
Current liabilities:
Line of Credit, Current	110,000	135,000
Accounts payable and accrued liabilities	263,148	223,699
Current liability for pensions and other postretirement employee benefits	7,821	7,821
Total current liabilities	380,969	366,520
Long-term debt	570,331	569,755
Liability for pensions and other postretirement employee benefits	78,440	81,812
Other long-term obligations	40,942	41,776
Accrued taxes	2,557	2,434
Deferred tax liabilities	169,410	152,172
Liabilities	1,242,649	1,214,469
Stockholders' equity:
Preferred stock, par value $0.0001 per share, 5,000,000 authorized shares, no shares issued	0	0
Common stock, par value $0.0001 per share, 100,000,000 authorized shares-16,433,415 and 24,223,191 shares issued	2	2
Additional paid-in capital	0	347,080
Retained earnings	537,329	569,861
Treasury stock, at cost, common shares-0 and 7,736,255 shares	0	(395,317)
Accumulated other comprehensive loss, net of tax	(50,969)	(51,753)
Total stockholders' equity	486,362	469,873
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,729,011	$ 1,684,342

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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2017	Dec. 31, 2016
Preferred stock, par value (in dollars per share)	$ 0.0001000000	$ 0.0001000000
Preferred stock, authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0.00000	0.00000
Common stock, par value (in dollars per share)	$ 0.0001000000	$ 0.0001000000
Common stock, authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	16,433,415.000000	24,223,191.000000
Treasury stock, shares (in shares)	0	7,736,255.000000

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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings	$ 16,415	$ 40,211
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	79,468	65,921
Equity-based compensation expense	2,523	9,826
Deferred tax expense	14,602	12,329
Employee benefit plans	(2,999)	(500)
Gain (Loss) on Disposition of Assets	3,755	30
Increase (Decrease) in Other Operating Assets and Liabilities, Net	874	484
Changes in working capital, net	43,846	4,045
Change in taxes receivable, net	(4,869)	7,217
Other Operating Activities, Cash Flow Statement	(1,439)	(680)
Net cash provided by operating activities	152,176	138,883
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to plant and equipment	(136,650)	(105,514)
Payments for (Proceeds from) Other Investing Activities	753	250
Net cash used for investing activities	(135,897)	(105,264)
CASH FLOWS FROM FINANCING ACTIVITIES
Purchase of treasury stock	(4,875)	(51,528)
Proceeds from (Repayments of) Short-term Debt	185,000	944,844
Payments of Debt Issuance Costs	(210,000)	(931,832)
Payment of tax withholdings on equity-based payment arrangements	(790)
Proceeds from (Payments for) Other Financing Activities	(927)	(382)
Net cash (used for) provided by financing activities	(30,802)	(38,898)
Decrease in cash and cash equivalents	(14,523)	(5,279)
Cash at beginning of period	23,001	5,610
Cash at end of period	8,478	331
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for interest, net of amounts capitalized	27,867	27,240
Cash paid for income taxes	2,367	16,050
Cash received from income tax refunds	5,988	10,543
Changes in accrued plan and equipment	2,173	3,834
Non-cash additions to plant, property, and equipment	$ 4,500	$ 0

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Nature of Operations and Basis of Presentation

9 Months Ended

Sep. 30, 2017

Accounting Policies [Abstract]

Nature of Operations and Basis of Presentation

Nature of Operations and Basis of Presentation

GENERAL

Clearwater Paper manufactures quality consumer tissue, away-from-home tissue, parent roll tissue, bleached paperboard and pulp at manufacturing facilities across the nation. The company is a premier supplier of private label tissue to major retailers and wholesale distributors, including grocery, drug, mass merchants and discount stores. In addition, the company produces bleached paperboard used by quality-conscious printers and packaging converters, and offers services that include custom sheeting, slitting and cutting. Clearwater Paper's employees build shareholder value by developing strong customer relationships through quality and service.

On December 16, 2016, we acquired Manchester Industries, an independently-owned paperboard sales, sheeting and distribution supplier to the packaging and commercial print industries, for total consideration of $71.7 million. The addition of Manchester Industries' customers to our paperboard business extends our reach and service platform to small and mid-sized folding carton plants, by offering a range of converting services that include custom sheeting, slitting, and cutting. These converting operations include five strategically located facilities in Virginia, Pennsylvania, Indiana, Texas, and Michigan. Goodwill was recorded in the acquisition of Manchester Industries based on the preliminary purchase price allocation. We are continuing to collect information to determine the fair values included in the purchase price in association with the final tax basis of acquired intangibles and fixed assets used in the determination of deferred tax liabilities at the acquisition date, which could affect our goodwill allocation for this transaction.

On March 31, 2017, we closed our Oklahoma City, Oklahoma converting facility. Notwithstanding the closure, we remain subject to the terms of a long-term master lease applicable to the facility.  In October 2017, we transferred to a third party substantially all of the remaining fixed assets and supplies inventory located at this facility and subleased the facility to the third party for the remaining term of the master lease for the facility.  In connection with the transfer of fixed assets, we recorded a loss of $4.3 million in the third quarter of 2017 related primarily to the writedown of the transferred assets totheir held for sale value. This loss is included in “Selling, general and administrative expenses” in our Consolidated Statement of Operations. We expect to record a loss of approximately $3 million in the fourth quarter of 2017 related to the execution of the sublease agreement. The sublease agreement is expected to substantially reduce our cash requirements under the master lease over the term of the sublease.

Additionally, we have incurred $0.8 million and $6.8 million of closure-related costs associated with the Oklahoma City facility for the three and nine months ended September 30, 2017, respectively, which are included in "Cost of goods sold" in our Consolidated Statement of Operations.

FINANCIAL STATEMENT PREPARATION AND PRESENTATION

The accompanying Consolidated Balance Sheets at September 30, 2017 and December 31, 2016, the related Consolidated Statements of Operations and Comprehensive Income for the three and nine months ended September 30, 2017 and 2016, and the Consolidated Statements of Cash Flows for the nine months ended September 30, 2017 and 2016, have been prepared in conformity with accounting principles generally accepted in the United States of America, or GAAP. We believe that all adjustments necessary for a fair statement of the results of the interim periods presented have been included. The results of operations for any interim period are not necessarily indicative of the results of operations to be expected for the full year.

This Quarterly Report on Form 10-Q should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2016, as filed with the Securities and Exchange Commission, or SEC, on February 22, 2017.

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

SIGNIFICANT ESTIMATES

The preparation of financial statements in conformity with 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 net sales and expenses during the reporting periods. Significant areas that may require the use of estimates and measurement of uncertainty include determination of net realizable value for deferred tax assets, uncertain tax positions, assessment of impairment of long-lived assets, goodwill and intangibles, assessment of environmental matters, equity-based compensation and pension and postretirement obligation assumptions. Actual results could differ from those estimates and assumptions.

CASH AND CASH EQUIVALENTS

We consider all highly liquid instruments with maturities of three months or less to be cash equivalents.

TRADE ACCOUNTS RECEIVABLE

Trade accounts receivable are stated at the amount we expect to collect. Trade accounts receivable do not bear interest. The allowance for doubtful accounts is our best estimate of the losses we expect will result from the inability of our customers to make required payments. We generally determine the allowance based on a combination of actual historical write-off experience and an analysis of specific customer accounts. As of September 30, 2017 and December 31, 2016, we had allowances for doubtful accounts of $1.3 million and $1.5 million, respectively.

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment are stated at cost, including any interest costs capitalized, less accumulated depreciation. Depreciation of buildings, equipment and other depreciable assets is determined using the straight-line method. Assets we acquire through business combinations have estimated lives that are typically shorter than the assets we construct or buy new. Accumulated depreciation totaled $1,617.5 million and $1,582.0 million at September 30, 2017 and December 31, 2016, respectively.

For the nine months ended September 30, 2017, we capitalized $3.0 million of interest expense associated with the construction of a continuous pulp digester at our Lewiston, Idaho pulp and paperboard facility and $0.5 million associated with the construction of a paper machine at our Shelby, North Carolina consumer products facility. For the nine months ended September 30, 2016, we capitalized $1.6 million of interest expense associated with the continuous pulp digester project. In June 2017, we received land with a fair market value of $4.2 million from the City of Shelby, North Carolina and Cleveland County. We must fulfill certain obligations within five years or pay the value of the land or return the title to the land. This balance is included in "Property, plant, and equipment, net," with an associated amount in "Other long-term obligations" on our Consolidated Balance Sheet as of September 30, 2017.

Consistent with authoritative guidance, we assess the carrying amount of long-lived assets with definite lives that are held-for-use and evaluate them for recoverability whenever events or changes in circumstances indicate that we may be unable to recover the carrying amount of the assets.

STOCKHOLDERS’ EQUITY

On December 15, 2015, we announced that our Board of Directors had approved a stock repurchase program authorizing the repurchase of up to $100 millionof our common stock. The repurchase program authorizes purchases of our common stock from time to time through open market purchases, negotiated transactions or other means, including accelerated stock repurchases and 10b5-1 trading plans in accordance with applicable securities laws and other restrictions. We have no obligation to repurchase stock under this program and may suspend or terminate the program at any time. In total, we have repurchased1,440,696 shares of our outstanding common stock as of September 30, 2017, pursuant to this repurchase program, of which84,750shares were repurchased during the first quarter of 2017 at an average price of$57.53per share. We did not repurchase shares during the second or third quarters of 2017. As of September 30, 2017, we had up to $29.8 millionof authorization remaining pursuant to this stock repurchase program.

During the third quarter of 2017, we retired 7,821,005 treasury shares. The impact of this retirement was reflected within the stockholders' equity line items on our Consolidated Balance Sheet.

DERIVATIVES

We had no activity during the three and nine months ended September 30, 2017 and 2016 that required hedge or derivative accounting treatment. However, to help mitigate our exposure to market risk for changes in utility commodity pricing, we use firm price contracts to supply a portion of the natural gas requirements for our manufacturing facilities. As of September 30, 2017, these contracts covered approximately 30% of our expected average monthly natural gas requirements for the remainder of 2017, and a lesser amount for 2018. Historically, these contracts have qualified for treatment as “normal purchases or normal sales” under authoritative guidance and thus required no mark-to-market adjustment.

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Recently Adopted and New Accounting Standards

9 Months Ended

Sep. 30, 2017

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Recently Adopted and New Accounting Standards

Recently Adopted and New Accounting Standards

RECENTLY ADOPTED

In January 2017, the Financial Accounting Standards Board (FASB) issued Accounting Standard Update (ASU) 2017-04, Simplifying the Test for Goodwill Impairment (Topic 350). This ASU eliminates step two of the impairment test, the performance of a hypothetical purchase price allocation to measure goodwill impairment. Instead, impairment will be measured using the difference between the carrying amount and the fair value of the reporting unit. We adopted this standard on January 1, 2017 and will apply this standard during our annual impairment test as of November 1, 2017, if applicable. The adoption of this standard is not expected to have a material impact on our consolidated financial statements.

In January 2017, the FASB issued ASU 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business. This ASU clarifies the definition of a business and provides a screen to determine when an integrated set of assets and activities is not a business. The screen requires that when substantially all of the fair value of the gross assets acquired (or disposed of) is concentrated in a single identifiable asset or a group of similar identifiable assets, the asset is not a business. We adopted this standard on January 1, 2017. This standard did not have a material impact on our consolidated financial statements.

In March 2016, the FASB issued ASU 2016-09, Improvements to Employee Share-Based Payment Accounting (Topic 718),(ASU 2016-09), which simplifies several aspects of accounting for share-based payment transactions, including income tax consequences, award classification, cash flows reporting, and forfeiture rate application. Specifically, the update requires all excess tax benefits and tax deficiencies to be recognized as income tax expense or benefit in the income statement. The update also allows excess tax benefits to be classified along with other income tax cash flows as an operating activity on the statement of cash flows. In addition, when accruing compensation cost, an entity can make an entity-wide accounting policy election to either estimate the number of awards expected to vest or to account for forfeitures as they occur. Lastly, the update requires cash paid by an employer when directly withholding shares for tax-withholding purposes to be classified as a financing activity on the statement of cash flows, consistent with our historical practice. We adopted ASU 2016-09 in the first quarter of 2017. We have not changed our method of estimating forfeitures as a result of our adoption of this standard, however, we are currently evaluating the possibility of changing our tax-withholding policy to allow for more withholding of employee shares for tax purposes. As a result of adopting this standard, excess tax benefits are classified along with other income tax cash flows as an operating activity on the statement of cash flows on a prospective basis and $1.0 million was charged to our income tax provision in the nine months ending September 30, 2017, resulting in a $0.06 earnings per share impact.

NEW ACCOUNTING STANDARDS

In May 2017, the FASB issued ASU 2017-09, Compensation—Stock Compensation (Topic 718): Scope of Modification Accounting to clarify when to account for a change to the terms or conditions of a share-based payment award as a modification. Under the new guidance, modification accounting is required only if the fair value, the vesting conditions, or the classification of the award (as equity or liability) changes as a result of the change in terms or conditions. The ASU will be effective prospectively for annual periods beginning after December 15, 2017, including interim periods within those annual periods. We plan to adopt this standard on January 1, 2018. We do not expect the adoption of this ASU to have a material impact on our consolidated financial statements.

In March 2017, the FASB issued ASU 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. The amendments in this ASU require that an employer disaggregate the service cost component from the other components of net benefit cost. The amendments also provide explicit guidance on how to present the service cost component and other components of net benefit cost in the income statement and allow only the service cost component of net benefit cost to be eligible for capitalization. This ASU will be effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods. We plan to adopt this standard on January 1, 2018. The amendments in this update require retrospective presentation in the income statement. Changes to the capitalized portion of both service cost and the other components of net benefit cost within inventory will be applied prospectively. For the full year of 2016, net periodic pension and other postretirement employee benefit cost reported within operating income totaled $5.3 million, of which $1.8 million represented service cost.

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). The new standard establishes a right-of-use (ROU) model that requires a lessee to record a ROU asset and a lease liability on the balance sheet for all leases with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. The new standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. A modified retrospective transition approach is required for lessees for capital and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. We expect the adoption of this ASU will increase both our assets and liabilities presented on our Consolidated Balance Sheets to reflect the ROU assets and corresponding lease liabilities, as well as increase our leasing disclosures. We plan to adopt this standard on January 1, 2019. We are continuing our assessment and review of existing leases, which may identify other impacts, and are addressing necessary policy and process changes in preparation for adoption.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606). The core principle of the new standard is for companies to recognize revenue in a manner that depicts the transfer of goods or services to customers in amounts that reflect the consideration, or payment, to which the company expects to be entitled in exchange for those goods or services. The standard will also result in enhanced disclosures about revenue, provide guidance for transactions that were not previously addressed comprehensively, such as service revenue and contract modifications, and clarify guidance for multiple-element arrangements. This standard was originally issued as effective for fiscal years and interim periods within those years beginning after December 15, 2016, with early adoption prohibited. However, in July 2015, the FASB approved deferring the effective date by one year to December 15, 2017 for annual reporting periods beginning after that date. In its approval, the FASB also permitted the early adoption of the standard, but not before the original effective date of fiscal years beginning after December 15, 2016. The standard may be applied under either a retrospective or cumulative effect adoption method. We plan on adopting the standard on the deferred effective date under the cumulative effect adoption method. Additionally, the new guidance requires enhanced disclosures, including revenue recognition policies to identify performance obligations to customers and significant judgments in measurement and recognition. Based on our assessments to-date, which have included review of our core revenue streams and contracts with key customers under the new standard, we do not anticipate the adoption of this standard will have a material impact on our consolidated financial statements. We anticipate enhancing our disclosures upon the adoption of this standard as well as certain of our internal controls and processes. We are continuing our assessment, internal control considerations and internal process analysis, which may identify other impacts.

We reviewed all other new accounting pronouncements issued in the period and concluded that they are not applicable to our business.

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Inventories

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories at the balance sheet dates consist of:

(In thousands)	September 30, 2017		December 31, 2016
Pulp, paperboard and tissue products	$	158,075	$	154,460
Materials and supplies	85,246		82,005
Logs, pulpwood, chips and sawdust	14,512		21,564
	$	257,833	$	258,029

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Intangible Assets

9 Months Ended

Sep. 30, 2017

Finite-Lived Intangible Assets, Net [Abstract]

Intangible Assets

Intangible Assets

Intangible assets at the balance sheet dates are comprised of the following:

	September 30, 2017
(Dollars in thousands, lives in years)	Weighted Average Useful Life	Historical Cost		Accumulated Amortization			Net Balance
Customer relationships	9.3	$	62,401	$	(32,387	)	$	30,014
Trade names and trademarks	7.4	6,786		(2,743		)	4,043
Non-compete agreements	5.0	574		(558		)	16
Other intangibles	6.0	572		(117		)	455
		$	70,333	$	(35,805	)	$	34,528
	December 31, 2016
(Dollars in thousands, lives in years)	Weighted Average Useful Life	Historical Cost		Accumulated Amortization			Net Balance
Customer relationships	9.3	$	62,401	$	(27,364	)	$	35,037
Trade names and trademarks	7.4	6,786		(1,972		)	4,814
Non-compete agreements	5.0	574		(512		)	62
Other intangibles	6.0	572		—			572
		$	70,333	$	(29,848	)	$	40,485

For the three months ended September 30, 2017 and 2016, intangible assets amortization expense was $2.0 million and $1.1 million, respectively. For the nine months ended September 30, 2017 and 2016, intangible assets amortization expense was $6.0 million and $3.2 million, respectively. The increase in the 2017 periods was due to the additional amortization expense attributable to intangible assets associated with the acquisition of Manchester Industries in December 2016.

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Taxes

9 Months Ended

Sep. 30, 2017

Income Tax Disclosure [Abstract]

Taxes

Income Taxes

Consistent with authoritative guidance, our estimated annual effective tax rate is used to allocate expected annual income tax expense to interim periods. The rate is the ratio of estimated annual income tax expense to estimated pre-tax ordinary income, and excludes "discrete items," which are significant, unusual or infrequent items reported separately net of their related tax effect. The estimated annual effective tax rate is applied to the current interim period's ordinary income to determine the income tax expense allocated to the interim period. The income tax effects of discrete items are then determined separately and recognized in the interim period in which the income or expense items arise.

Our estimated annual effective tax rate applied to the third quarter of 2017 is approximately 34%, compared with approximately 36% for the same period in 2016. The decrease in the rate is due to an increase in the benefit from federal and state tax credits.

The tax benefit in the current quarter is comprised of a benefit driven by the pre-tax loss for the quarter increased by a benefit from federal credits of $2.4 million.

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Accounts Payable and Accrued Liabilities

9 Months Ended

Sep. 30, 2017

Accounts Payable and Accrued Liabilities [Abstract]

Accounts Payable and Accrued Liabilities

Accounts Payable and Accrued Liabilities

Accounts payable and accrued liabilities at the balance sheet dates consist of:

(In thousands)	September 30, 2017		December 31, 2016
Trade accounts payable	$	189,940	$	128,106
Accrued wages, salaries and employee benefits	34,174		49,871
Accrued discounts and allowances	11,292		10,291
Accrued utilities	6,993		6,712
Accrued taxes other than income taxes payable	6,570		6,946
Accrued interest	5,582		12,149
Accrued transportation	2,208		1,761
Other	6,389		7,863
	$	263,148	$	223,699

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Debt

9 Months Ended

Sep. 30, 2017

Line of Credit Facility [Line Items]

Debt

Debt

REVOLVING CREDIT FACILITIES

As of September 30, 2017, there was an aggregate of $110.0 million in borrowings outstanding under the credit facilities and $6.8 million of the credit facilities was being used to support outstanding standby letters of credit. As of December 31, 2016, there was an aggregate of $135.0 million in borrowings outstanding under the credit facilities.

Our two senior secured revolving credit facilities provide in the aggregate, on a combined basis, for the extension of up to $300 million in revolving loans under: (i) a $200 million credit agreement with Wells Fargo Bank, National Association, as administrative agent, and the lenders party thereto (the Commercial Credit Agreement); and (ii) a $100 million credit agreement with Northwest Farm Credit Services, PCA, as administrative agent, and the lenders party thereto (the Farm Credit Agreement). We refer to both of these credit agreements collectively as the Credit Agreements. The revolving credit facilities provided under the Credit Agreements mature on October 31, 2021.

Revolving loans borrowed under the Commercial Credit Agreement bear interest, at our option, at a LIBOR rate or at a base rate, plus an applicable margin, which for LIBOR rate loans may range from 1.25% per annum to 2.00% per annum, based on the Company’s consolidated total leverage ratio. The applicable margin for base rate loans under the Commercial Credit Agreement is 1.00% per annum less than for LIBOR rate loans. Revolving Loans borrowed under the Farm Credit Agreement are calculated in substantially the same manner as under the Commercial Credit Agreement, however, the applicable margin under the Farm Credit Agreement is 0.25% per annum higher than the Commercial Credit Agreement, and the prime rate used in the calculation of base rate loans is based upon the prime rate published by the Wall Street Journal. In addition, under the Farm Credit Agreement, we have the option to elect fixed rate periods of interest which bear interest at an applicable margin equal to the LIBOR rate. We also pay commitment fees on the unused portion of the revolving loan commitments under the Credit Agreements, which range from 0.20% per annum to 0.35% per annum.

We receive patronage refunds under the Farm Credit Agreement. Patronage refunds are distributions of profits from banks in the farm credit system, which are cooperatives that are required to distribute profits to their members. Patronage refunds are accrued as earned and recorded as offsets to interest expense.

The borrowings outstanding under the revolving credit facilities as of September 30, 2017, consisted of short-term base and LIBOR rate loans and are classified as current liabilities in our Consolidated Balance Sheet. As of September 30, 2017, we would have been permitted to draw an additional $183.2 million under the credit facilities.

REVOLVING CREDIT FACILITIES

As of September 30, 2017, there was an aggregate of $110.0 million in borrowings outstanding under the credit facilities and $6.8 million of the credit facilities was being used to support outstanding standby letters of credit. As of December 31, 2016, there was an aggregate of $135.0 million in borrowings outstanding under the credit facilities.

Our two senior secured revolving credit facilities provide in the aggregate, on a combined basis, for the extension of up to $300 million in revolving loans under: (i) a $200 million credit agreement with Wells Fargo Bank, National Association, as administrative agent, and the lenders party thereto (the Commercial Credit Agreement); and (ii) a $100 million credit agreement with Northwest Farm Credit Services, PCA, as administrative agent, and the lenders party thereto (the Farm Credit Agreement). We refer to both of these credit agreements collectively as the Credit Agreements. The revolving credit facilities provided under the Credit Agreements mature on October 31, 2021.

Revolving loans borrowed under the Commercial Credit Agreement bear interest, at our option, at a LIBOR rate or at a base rate, plus an applicable margin, which for LIBOR rate loans may range from 1.25% per annum to 2.00% per annum, based on the Company’s consolidated total leverage ratio. The applicable margin for base rate loans under the Commercial Credit Agreement is 1.00% per annum less than for LIBOR rate loans. Revolving Loans borrowed under the Farm Credit Agreement are calculated in substantially the same manner as under the Commercial Credit Agreement, however, the applicable margin under the Farm Credit Agreement is 0.25% per annum higher than the Commercial Credit Agreement, and the prime rate used in the calculation of base rate loans is based upon the prime rate published by the Wall Street Journal. In addition, under the Farm Credit Agreement, we have the option to elect fixed rate periods of interest which bear interest at an applicable margin equal to the LIBOR rate. We also pay commitment fees on the unused portion of the revolving loan commitments under the Credit Agreements, which range from 0.20% per annum to 0.35% per annum.

We receive patronage refunds under the Farm Credit Agreement. Patronage refunds are distributions of profits from banks in the farm credit system, which are cooperatives that are required to distribute profits to their members. Patronage refunds are accrued as earned and recorded as offsets to interest expense.

The borrowings outstanding under the revolving credit facilities as of September 30, 2017, consisted of short-term base and LIBOR rate loans and are classified as current liabilities in our Consolidated Balance Sheet. As of September 30, 2017, we would have been permitted to draw an additional $183.2 million under the credit facilities.

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Other Long-Term Obligations

9 Months Ended

Sep. 30, 2017

Other Liabilities, Noncurrent [Abstract]

Other Long-Term Obligations

Other Long-Term Obligations

Other long-term obligations at the balance sheet dates consist of:

(In thousands)	September 30, 2017		December 31, 2016
Long-term lease obligations, net of current portion	$	23,426	$	23,152
Deferred proceeds	5,966		9,013
Deferred compensation	5,168		7,219
Other	6,382		2,392
	$	40,942	$	41,776

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Reclassification out of Accumulated Other Comprehensive Income (Notes)

9 Months Ended

Sep. 30, 2017

Equity [Abstract]

Accumulated Other Comprehensive Income [Text Block]

Accumulated Other Comprehensive Loss

Accumulated other comprehensive loss, net of tax, is comprised of the following:

(In thousands)	Pension and Other Post Retirement Employee Benefit Plan Adjustments
Balance at December 31, 2016	$	(51,753	)
Other comprehensive income, net of tax1	784
Balance at September 30, 2017	$	(50,969	)
(In thousands)	Pension and Other Post Retirement Employee Benefit Plan Adjustments
Balance at December 31, 2015	$	(55,548	)
Other comprehensive income before reclassifications	953
Amounts reclassified from accumulated other comprehensive loss2	$	1,632
Other comprehensive income, net of tax1	2,585
Balance at September 30, 2016	$	(52,963	)

¹  Included in other comprehensive income are net periodic costs associated with our pension and other postretirement employee benefit (OPEB) plans that were reclassified from accumulated other comprehensive loss. For the nine months ended September 30, 2017 and 2016, actuarial loss amortization of $1.5 million and $1.7 million, respectively, as well as $0.7 million and $0.8 million, respectively, of prior service credit amortization were reclassified. These amounts are net of tax totaling $0.5 million and $0.6 million for each respective period. These accumulated other comprehensive loss components are included in the computation of net periodic pension and OPEB costs in Note 10, “Pension and Other Postretirement Employee Benefit Plans.”

²  Included in "Amounts reclassified from accumulated other comprehensive loss" above for the nine months ended September 30, 2016 is settlement expense of $3.5 million associated with the remeasurement of our salaried pension plan, which is discussed further in Note 10, “Pension and Other Postretirement Employee Benefit Plans.” The remeasurement resulted in a settlement loss of $0.8 million recorded to the pension liability and reclassified from accumulated other comprehensive loss. The settlement expense and corresponding remeasurement are net of tax totaling $1.1 million.

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Pension and Other Postretirement Employee Benefit Plans

9 Months Ended

Sep. 30, 2017

Compensation and Retirement Disclosure [Abstract]

Pension and Other Postretirement Employee Benefit Plans

Pension and Other Postretirement Employee Benefit Plans

The following table details the components of net periodic cost of our company-sponsored pension and OPEB plans for the periods presented:

	Three Months Ended September 30,
(In thousands)	2017			2016			2017			2016
	Pension Benefit Plans						Other Postretirement Employee  Benefit Plans
Service cost	$	518		$	391		$	41		$	62
Interest cost	3,288			3,518			688			730
Expected return on plan assets	(4,691		)	(4,847		)	—			—
Amortization of prior service cost (credit)	2			6			(384		)	(428		)
Amortization of actuarial loss (gain)	2,468			2,865			(1,662		)	(2,233		)
Settlement	—			3,482			—			—
Net periodic cost	$	1,585		$	5,415		$	(1,317	)	$	(1,869	)

	Nine months ended September 30,
(In thousands)	2017			2016			2017			2016
	Pension Benefit Plans						Other Postretirement Employee  Benefit Plans
Service cost	$	1,552		$	1,171		$	122		$	187
Interest cost	9,862			10,779			2,059			2,306
Expected return on plan assets	(14,073		)	(14,608		)	(1		)	(1		)
Amortization of prior service cost (credit)	6			17			(1,151		)	(1,284		)
Amortization of actuarial loss (gain)	7,405			8,510			(4,963		)	(5,674		)
Settlement	—			3,482			—			—
Net periodic cost	$	4,752		$	9,351		$	(3,934	)	$	(4,466	)

During the nine months ended September 30, 2017 and 2016, we made no contributions to our qualified pension plans. We do not expect, nor are we required, to make contributions in 2017.

During the nine months ended September 30, 2017, we made contributions of $0.2 million to our company-sponsored non-qualified pension plan. We estimate contributions will total $0.4 million in 2017. We do not anticipate funding our OPEB plans in 2017 except to pay benefit costs as incurred during the year by plan participants.

During the three and nine months ended September 30, 2017, $0.2 million and $0.5 million, respectively, of net periodic pension and OPEB costs were charged to "Cost of sales" and $0.1 million and $0.3 million, respectively, were charged to "Selling, general and administrative expenses" in the accompanying Consolidated Statements of Operations.

During the three and nine months ended September 30, 2016, less than $0.1 million and $0.8 million, respectively, of net periodic pension and OPEB costs were charged to "Cost of sales" and $0.1 million and $0.6 million, respectively, were charged to "Selling, general and administrative expenses" in the accompanying Consolidated Statements of Operations.

In 2016, we announced a voluntary, limited-time opportunity for former employees who are vested participants in certain of our qualified pension plans to request early payment of their entire pension plan benefit in the form of a single lump sum payment. Based on the level of payments made, settlement accounting rules applied to our salaried plan and resulted in a remeasurement of that plan.

As a result of settlement accounting, we recognized a pro-rata portion of the unamortized net actuarial loss, after remeasurement, resulting in a $3.5 million non-cash charge to our earnings in the third quarter of 2016. This settlement charge was recorded to "Cost of sales" and "Selling, general and administrative expenses" for $1.9 million and $1.6 million, respectively, in our Consolidated Statement of Operations for the three and nine months ended September 30, 2016.

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Earnings per Common Share

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Earnings per Common Share

Earnings per Common Share

Basic earnings per share are based on the weighted average number of shares of common stock outstanding. Diluted earnings per share are based upon the weighted average number of shares of common stock outstanding plus all potentially dilutive securities that were assumed to be converted into common shares at the beginning of the period under the treasury stock method.

The following table reconciles the number of common shares used in calculating the basic and diluted net earnings per share:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Basic average common shares outstanding1	16,457,991		16,844,920		16,466,325		17,141,329
Incremental shares due to:
Restricted stock units	42,122		54,796		37,021		35,853
Performance shares	50,506		104,476		42,914		74,604
Stock options	16,265		55,466		26,347		1,148
Diluted average common shares outstanding	16,566,884		17,059,658		16,572,607		17,252,934
Basic net earnings per common share	$	0.05	$	0.05	$	1.00	$	2.35
Diluted net earnings per common share	0.05		0.05		0.99		2.33
Anti-dilutive shares excluded from calculation	468,624		5,783		525,655		502,293

¹  Basic average common shares outstanding include restricted stock awards that are fully vested, but are deferred for future issuance.

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Equity-Based Compensation

9 Months Ended

Sep. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Equity-Based Compensation

Equity-Based Compensation

We recognize equity-based compensation expense for all equity-based payment awards made to employees and directors, including restricted stock units, or RSUs, performance shares and stock options, based on estimated fair values.

EMPLOYEE AWARDS

Employee equity-based compensation expense was recognized as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
(In thousands)	2017		2016		2017		2016
Restricted stock units	$	429	$	352	$	1,224	$	1,012
Performance shares	567		877		1,793		2,313
Stock options	659		792		1,974		2,076
Total employee equity-based compensation expense	$	1,655	$	2,021	$	4,991	$	5,401

As provided in the Clearwater Paper Corporation 2008 Stock Incentive Plan, the performance measure used to determine the number of performance shares ultimately issuable for awards granted in 2016 and 2015, and for 40% of performance shares granted in 2017, is a comparison of the percentile ranking of our total stockholder return compared to the stockholder return of a selected peer group. In 2017, for 60% of the performance share awards granted, a return on invested capital performance measure is used to determine the number of performance shares ultimately issuable. The number of shares actually issued, as a percentage of the amount subject to the performance share award, could range from 0%-200%.

On December 31, 2016, the service and performance period for 45,953 outstanding shares granted in 2014 ended. Those performance shares were settled and distributed in the first quarter of 2017. The number of shares actually settled, as a percentage of the outstanding amount, was 89.0%. After adjusting for the related minimum tax withholdings, a net 27,878 shares were issued in the first quarter of 2017.

During the first nine months of 2017, 5,000 RSUs were settled and distributed. After adjusting for minimum tax withholdings, a net 3,351 shares were issued. In connection with the issued performance shares and RSUs, the minimum tax withholding payments made during the nine months ended September 30, 2017 totaled $0.8 million.

During the nine months ended September 30, 2017, we had 3,594 stock option awards expire with a weighted-average exercise price of $66.97. At September 30, 2017, we had 134,266 stock option awards that were exercisable with a weighted-average exercise price of $66.85.

The following table summarizes the number of share-based awards granted under the Clearwater Paper Corporation 2008 Stock Incentive Plan during the nine months ended September 30, 2017 and the grant-date fair value of the awards:

	Nine Months Ended
	September 30, 2017
	Number of Shares Subject to Award	Average Fair Value of Award Per Share
Restricted stock units	66,774	$	56.45
Performance shares	33,907	58.58
Stock options	158,484	18.82

DIRECTOR AWARDS

Annually, each outside member of our Board of Directors receives deferred equity-based awards that are measured in units of our common stock and ultimately settled in cash at the time of payment. Accordingly, the compensation expense associated with these awards is subject to fluctuations each quarter based on mark-to-market adjustments at each reporting period in line with changes in the market price of our common stock. As a result of the mark-to-market adjustment, we recorded director equity-based compensation expense of $0.5 million and $0.1 million for the three months ended September 30, 2017 and 2016, respectively. For the nine months ended September 30, 2017 and 2016, we recorded director equity-based compensation benefit of $2.5 million and compensation expense of $4.4 million, respectively.

As of September 30, 2017, the liability amounts associated with director equity-based compensation included in "Other long-term obligations" and "Accounts payable and accrued liabilities" on the accompanying Consolidated Balance Sheet were $3.8 million and $2.5 million, respectively. At December 31, 2016, the liability amounts associated with director equity-based compensation included in "Other long-term obligations" and "Accounts payable and accrued liabilities" totaled $7.9 million and $3.2 million, respectively.

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Fair Value Measurements

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

The estimated fair values of our financial instruments at the dates presented below are as follows:

	September 30,				December 31,
	2017				2016
	Carrying		Fair		Carrying		Fair
(In thousands)	Amount		Value		Amount		Value
Cash and cash equivalents (Level 1)	$	8,478	$	8,478	$	23,001	$	23,001
Borrowings under revolving credit facilities (Level 1)	110,000		110,000		135,000		135,000
Long-term debt (Level 2)	575,000		568,639		575,000		567,875

Accounting guidance establishes a framework for measuring the fair value of financial instruments, providing a hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities, or “Level 1” measurements, followed by quoted prices of similar assets or observable market data, or “Level 2” measurements, and the lowest priority to unobservable inputs, or “Level 3” measurements.

The asset’s or liability’s 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 should seek to maximize the use of observable inputs and minimize the use of unobservable inputs.

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Business Interruption and Insurance Recovery

9 Months Ended

Sep. 30, 2017

Risks and Uncertainties [Abstract]

Business Insurance Recoveries [Text Block]

Business Interruption and Insurance Recovery

On November 14, 2016, there was a fire at our Las Vegas, Nevada facility. There was minimal disruption to the converting operations at that facility. However, certain components of our paper machine were damaged, and we incurred approximately 17 days of paper machine downtime while repairs were being made. We were unable to produce through-air-dried parent rolls during this period at the Las Vegas facility. We were able to replace a portion of this lost production capacity by shipping parent rolls from our Shelby, North Carolina facility, in addition to making open market purchases. We maintain property and business interruption insurance and filed a claim with our insurance provider in the fourth quarter of 2016 to recover the cost of repairs to the equipment and estimated lost profits due to the disruption of the operations during the repair period. The total insurance claim for this event, net of policy deductible, was $3.3 million. In the fourth quarter of 2016, we recognized $1.5 million of insurance recovery associated with this claim in "Cost of sales" in our Consolidated Statement of Operations, which represented the insurance recovery for the cost of equipment repairs performed in the fourth quarter of 2016. Upon final resolution of this claim, in 2017 we recognized an additional $1.4 million in "Cost of sales" in our Consolidated Statement of Operations, which represented insurance recovery for estimated lost profits due to the disruption of operations resulting from this event.

On January 28, 2017, there was a fire at our Shelby, North Carolina facility warehouse. Although the building sustained minimal damage, the smoke and water damage to raw material and finished goods inventory was more significant. Operations were impacted during the clean-up and repair period. We filed a claim with our peril and stock insurance providers to recover the cost of repairs to the equipment and estimated lost profits and inventory due to the disruption of the operations during the repair and cleanup period. Net of policy deductibles, the insurance claim for this event totaled $2.9 million, and was settled in its entirety in the first quarter of 2017. These proceeds are included in “Cost of sales” in our consolidated Statement of Operations for the nine months ended September 30, 2017.

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Segment Information

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Segment Information

Segment Information

The table below presents information about our reportable segments:

	Three Months Ended September 30,						Nine Months Ended September 30,
(In thousands)	2017			2016			2017			2016
Segment net sales:
Consumer Products	$	232,916		$	253,319		$	707,251		$	746,249
Pulp and Paperboard	193,588			182,001			586,441			562,946
Total segment net sales	$	426,504		$	435,320		$	1,293,692		$	1,309,195
Operating income (loss):
Consumer Products1	$	4,436		$	17,201		$	21,159		$	54,135
Pulp and Paperboard	15,023			9,956			63,866			85,151
	19,459			27,157			85,025			139,286
Corporate2	(14,008		)	(17,877		)	(39,351		)	(52,079		)
Income from operations	$	5,451		$	9,280		$	45,674		$	87,207
Depreciation and amortization:
Consumer Products1	$	16,073		$	15,022		$	50,607		$	42,984
Pulp and Paperboard	8,328			6,530			24,789			19,346
Corporate	1,455			1,195			4,072			3,591
Total depreciation and amortization	$	25,856		$	22,747		$	79,468		$	65,921

¹  Operating income for the Consumer Products segment for the three and nine months ended September 30, 2017 includes $5.1 million and $11.1 million, respectively, of costs associated with the closure of the Oklahoma City facility. These costs for the three and nine months ended September 30, 2017 includes accelerated depreciation of $4.3 million on the writedown of assets to their held for sale value. Depreciation and amortization expense for the nine months ended September 30, 2017 includes $3.7 million of accelerated depreciation associated with the Oklahoma City facility closure.

²  For the three and nine months ended September 30, 2016, corporate expenses include $3.5 million of settlement expense associated with a lump sum buyout for term-vested participants of our salaried plan, which is discussed further in Note 10, "Pension and Other Postretirement Employee Benefit Plans."

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Supplemental Guarantor Financial Information

9 Months Ended

Sep. 30, 2017

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Supplemental Guarantor Financial Information

Supplemental Guarantor Financial Information

All of our subsidiaries that are 100% directly or indirectly owned by Clearwater Paper, guarantee our $275 million aggregate principal amount of 4.5% senior notes issued in January 2013 and due 2023, which we refer to as the 2013 Notes, on a full and unconditional, and joint and several basis. There are no significant restrictions on the ability of the guarantor subsidiaries to make distributions to Clearwater Paper, the issuer of the 2013 Notes. The following tables present the results of operations, financial position and cash flows of Clearwater Paper and its subsidiaries, the guarantor subsidiaries, and the eliminations necessary to arrive at the information for Clearwater Paper on a consolidated basis.

Clearwater Paper Corporation

Consolidating Statement of Operations and Comprehensive Income

Three Months Ended September 30, 2017

				Guarantor
(In thousands)	Issuer			Subsidiaries			Eliminations			Total
Net sales	$	423,712		$	55,894		$	(53,102	)	$	426,504
Cost and expenses:
Cost of sales	(387,696		)	(51,052		)	52,167			(386,581		)
Selling, general and administrative expenses	(24,676		)	(9,796		)	—			(34,472		)
Total operating costs and expenses	(412,372		)	(60,848		)	52,167			(421,053		)
Income (loss) from operations	11,340			(4,954		)	(935		)	5,451
Interest expense, net	(7,407		)	(276		)	—			(7,683		)
Earnings (loss) before income taxes	3,933			(5,230		)	(935		)	(2,232		)
Income tax (provision) benefit	(1,847		)	4,589			353			3,095
Equity in loss of subsidiary	(641		)	—			641			—
Net earnings (loss)	$	1,445		$	(641	)	$	59		$	863
Other comprehensive income, net of tax	257			—			—			257
Comprehensive income (loss)	$	1,702		$	(641	)	$	59		$	1,120

Clearwater Paper Corporation

Consolidating Statement of Operations and Comprehensive Income

Nine Months Ended September 30, 2017

				Guarantor
(In thousands)	Issuer			Subsidiaries			Eliminations			Total
Net sales	$	1,263,467		$	196,399		$	(166,174	)	$	1,293,692
Cost and expenses:
Cost of sales	(1,137,931		)	(178,732		)	162,319			(1,154,344		)
Selling, general and administrative expenses	(71,445		)	(22,229		)	—			(93,674		)
Total operating costs and expenses	(1,209,376		)	(200,961		)	162,319			(1,248,018		)
Income (loss) from operations	54,091			(4,562		)	(3,855		)	45,674
Interest expense, net	(22,981		)	(418		)	—			(23,399		)
Earnings (loss) before income taxes	31,110			(4,980		)	(3,855		)	22,275
Income tax (provision) benefit	(11,857		)	4,582			1,415			(5,860		)
Equity in loss of subsidiary	(398		)	—			398			—
Net earnings (loss)	$	18,855		$	(398	)	$	(2,042	)	$	16,415
Other comprehensive income, net of tax	784			—			—			784
Comprehensive income (loss)	$	19,639		$	(398	)	$	(2,042	)	$	17,199

Clearwater Paper Corporation

Consolidating Statement of Operations and Comprehensive Income

Three Months Ended September 30, 2016

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
Net sales	$	421,617		$	70,912		$	(57,209	)	$	435,320
Cost and expenses:
Cost of sales	(388,817		)	(64,997		)	57,209			(396,605		)
Selling, general and administrative expenses	(27,453		)	(1,982		)	—			(29,435		)
Total operating costs and expenses	(416,270		)	(66,979		)	57,209			(426,040		)
Income from operations	5,347			3,933			—			9,280
Interest expense, net	(7,411		)	(109		)	—			(7,520		)
(Loss) earnings before income taxes	(2,064		)	3,824			—			1,760
Income tax benefit (provision)	661			(1,520		)	—			(859		)
Equity in income of subsidiary	2,304			—			(2,304		)	—
Net earnings	$	901		$	2,304		$	(2,304	)	$	901
Other comprehensive income, net of tax	1,759			—			—			1,759
Comprehensive income	$	2,660		$	2,304		$	(2,304	)	$	2,660

Clearwater Paper Corporation

Consolidating Statement of Operations and Comprehensive Income

Nine Months Ended September 30, 2016

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
Net sales	$	1,266,300		$	216,361		$	(173,466	)	$	1,309,195
Cost and expenses:
Cost of sales	(1,102,229		)	(198,340		)	173,466			(1,127,103		)
Selling, general and administrative expenses	(85,107		)	(9,778		)	—			(94,885		)
Total operating costs and expenses	(1,187,336		)	(208,118		)	173,466			(1,221,988		)
Income from operations	78,964			8,243			—			87,207
Interest expense, net	(22,427		)	(132		)	—			(22,559		)
Earnings before income taxes	56,537			8,111			—			64,648
Income tax provision	(20,933		)	(3,504		)	—			(24,437		)
Equity in income of subsidiary	4,607			—			(4,607		)	—
Net earnings	$	40,211		$	4,607		$	(4,607	)	$	40,211
Other comprehensive income, net of tax	2,585			—			—			2,585
Comprehensive income	$	42,796		$	4,607		$	(4,607	)	$	42,796

Clearwater Paper Corporation

Consolidating Balance Sheet

At September 30, 2017

(In thousands)	Issuer			Guarantor Subsidiaries		Eliminations			Total
ASSETS
Current assets:
Cash and cash equivalents	$	8,478		$	—	$	—		$	8,478
Receivables, net	116,392			19,554		—			135,946
Taxes receivable	14,543			35		—			14,578
Inventories	221,233			40,455		(3,855		)	257,833
Other current assets	5,846			604		—			6,450
Total current assets	366,492			60,648		(3,855		)	423,285
Property, plant and equipment, net	898,859			115,976		—			1,014,835
Goodwill	244,283			—		—			244,283
Intangible assets, net	2,351			32,177		—			34,528
Intercompany receivable (payable)	(4,041		)	186		3,855			—
Investment in subsidiary	144,691			—		(144,691		)	—
Other assets, net	11,787			3,466		(3,173		)	12,080
TOTAL ASSETS	$	1,664,422		$	212,453	$	(147,864	)	$	1,729,011
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Borrowings under revolving credit facilities	$	110,000		$	—	$	—		$	110,000
Accounts payable and accrued liabilities	241,938			21,210		—			263,148
Current liability for pensions and   other postretirement employee benefits	7,821			—		—			7,821
Total current liabilities	359,759			21,210		—			380,969
Long-term debt	570,331			—		—			570,331
Liability for pensions and   other postretirement employee benefits	78,440			—		—			78,440
Other long-term obligations	40,800			142		—			40,942
Accrued taxes	1,721			836		—			2,557
Deferred tax liabilities	127,009			45,574		(3,173		)	169,410
TOTAL LIABILITIES	1,178,060			67,762		(3,173		)	1,242,649
Stockholders’ equity excluding accumulated other comprehensive loss	537,331			144,691		(144,691		)	537,331
Accumulated other comprehensive loss, net of tax	(50,969		)	—		—			(50,969		)
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$	1,664,422		$	212,453	$	(147,864	)	$	1,729,011

Clearwater Paper Corporation

Consolidating Balance Sheet

At December 31, 2016

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
ASSETS
Current assets:
Cash and cash equivalents	$	19,586		$	3,415		$	—		$	23,001
Receivables, net	130,098			27,252			(10,276		)	147,074
Taxes receivable	15,143			35			(5,469		)	9,709
Inventories	208,472			51,432			(1,875		)	258,029
Other current assets	8,161			521			—			8,682
Total current assets	381,460			82,655			(17,620		)	446,495
Property, plant and equipment, net	802,064			143,264			—			945,328
Goodwill	244,283			—			—			244,283
Intangible assets, net	3,135			37,350			—			40,485
Intercompany receivable (payable)	30,034			(31,909		)	1,875			—
Investment in subsidiary	145,089			—			(145,089		)	—
Other assets, net	8,433			2,853			(3,535		)	7,751
TOTAL ASSETS	$	1,614,498		$	234,213		$	(164,369	)	$	1,684,342
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Borrowings under revolving credit facilities	$	135,000		$	—		$	—		$	135,000
Accounts payable and accrued liabilities	202,187			37,257			(15,745		)	223,699
Current liability for pensions and   other postretirement employee benefits	7,821			—			—			7,821
Total current liabilities	345,008			37,257			(15,745		)	366,520
Long-term debt	569,755			—			—			569,755
Liability for pensions and   other postretirement employee benefits	81,812			—			—			81,812
Other long-term obligations	41,424			352			—			41,776
Accrued taxes	1,614			820			—			2,434
Deferred tax liabilities	105,012			50,695			(3,535		)	152,172
TOTAL LIABILITIES	1,144,625			89,124			(19,280		)	1,214,469
Stockholders’ equity excluding accumulated other comprehensive loss	521,626			145,089			(145,089		)	521,626
Accumulated other comprehensive loss, net of tax	(51,753		)	—			—			(51,753		)
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$	1,614,498		$	234,213		$	(164,369	)	$	1,684,342

Clearwater Paper Corporation

Consolidating Statement of Cash Flows

Nine Months Ended September 30, 2017

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings (loss)	$	18,855		$	(398	)	$	(2,042	)	$	16,415
Adjustments to reconcile net earnings (loss) to   net cash flows from operating activities:
Depreciation and amortization	56,642			22,826			—			79,468
Equity-based compensation expense	2,523			—			—			2,523
Deferred tax provision (benefit)	19,531			(4,929		)	—			14,602
Employee benefit plans	(2,999		)	—			—			(2,999		)
Disposal of plant and equipment, net	481			3,274			—			3,755
Other, net	874			—			—			874
Changes in working capital, net	32,501			3,896			7,449			43,846
Changes in taxes receivable, net	600			—			(5,469		)	(4,869		)
Other, net	(413		)	(1,026		)	—			(1,439		)
Net cash flows from operating activities	128,595			23,643			(62		)	152,176
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(132,725		)	(3,925		)	—			(136,650		)
Other, net	283			470			—			753
Net cash flows from investing activities	(132,442		)	(3,455		)	—			(135,897		)
CASH FLOWS FROM FINANCING ACTIVITIES
Purchase of treasury stock	(4,875		)	—			—			(4,875		)
Borrowings on revolving credit facilities	185,000			—			—			185,000
Repayments of borrowings on revolving credit facilities	(210,000		)	—			—			(210,000		)
Investment from (to) parent	23,541			(23,603		)	62			—
Other, net	(927		)	—			—			(927		)
Net cash flows from financing activities	(7,261		)	(23,603		)	62			(30,802		)
Decrease in cash and cash equivalents	(11,108		)	(3,415		)	—			(14,523		)
Cash and cash equivalents at beginning of period	19,586			3,415			—			23,001
Cash and cash equivalents at end of period	$	8,478		$	—		$	—		$	8,478

Clearwater Paper Corporation

Consolidating Statement of Cash Flows

Nine Months Ended September 30, 2016

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings	$	40,211		$	4,607		$	(4,607	)	$	40,211
Adjustments to reconcile net earnings to net   cash flows from operating activities:
Depreciation and amortization	50,214			15,707			—			65,921
Equity-based compensation expense	9,826			—			—			9,826
Deferred tax provision (benefit)	11,641			1,826			(1,138		)	12,329
Employee benefit plans	(500		)	—			—			(500		)
Disposal of plant and equipment, net	30			—			—			30
Other, net	471			13			—			484
Changes in working capital, net	1,961			4,531			(2,447		)	4,045
Changes in taxes receivable, net	6,178			(1,408		)	2,447			7,217
Other, net	(1,205		)	(613		)	1,138			(680		)
Net cash flows from operating activities	118,827			24,663			(4,607		)	138,883
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(99,912		)	(5,602		)	—			(105,514		)
Other, net	250			—			—			250
Net cash flows from investing activities	(99,662		)	(5,602		)	—			(105,264		)
CASH FLOWS FROM FINANCING ACTIVITIES
Purchase of treasury stock	(51,528		)	—			—			(51,528		)
Borrowings on revolving credit facilities	944,844			—			—			944,844
Repayments of borrowings on revolving credit facilities	(931,832		)	—			—			(931,832		)
Investment from (to) parent	14,454			(19,061		)	4,607			—
Other, net	(382		)	—			—			(382		)
Net cash flows from financing activities	(24,444		)	(19,061		)	4,607			(38,898		)
Decrease in cash and cash equivalents	(5,279		)	—			—			(5,279		)
Cash and cash equivalents at beginning of period	5,610			—			—			5,610
Cash and cash equivalents at end of period	$	331		$	—		$	—		$	331

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Nature of Operations and Basis of Presentation (Policies)

9 Months Ended

Sep. 30, 2017

Accounting Policies [Abstract]

SIGNIFICANT ESTIMATES

SIGNIFICANT ESTIMATES

The preparation of financial statements in conformity with 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 net sales and expenses during the reporting periods. Significant areas that may require the use of estimates and measurement of uncertainty include determination of net realizable value for deferred tax assets, uncertain tax positions, assessment of impairment of long-lived assets, goodwill and intangibles, assessment of environmental matters, equity-based compensation and pension and postretirement obligation assumptions. Actual results could differ from those estimates and assumptions.

RESTRICTED CASH AND SHORT-TERM INVESTMENTS

CASH AND CASH EQUIVALENTS

We consider all highly liquid instruments with maturities of three months or less to be cash equivalents.

TRADE ACCOUNTS RECEIVABLE

TRADE ACCOUNTS RECEIVABLE

Trade accounts receivable are stated at the amount we expect to collect. Trade accounts receivable do not bear interest. The allowance for doubtful accounts is our best estimate of the losses we expect will result from the inability of our customers to make required payments. We generally determine the allowance based on a combination of actual historical write-off experience and an analysis of specific customer accounts. As of September 30, 2017 and December 31, 2016, we had allowances for doubtful accounts of $1.3 million and $1.5 million, respectively.

PROPERTY, PLANT AND EQUIPMENT

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment are stated at cost, including any interest costs capitalized, less accumulated depreciation. Depreciation of buildings, equipment and other depreciable assets is determined using the straight-line method. Assets we acquire through business combinations have estimated lives that are typically shorter than the assets we construct or buy new. Accumulated depreciation totaled $1,617.5 million and $1,582.0 million at September 30, 2017 and December 31, 2016, respectively.

For the nine months ended September 30, 2017, we capitalized $3.0 million of interest expense associated with the construction of a continuous pulp digester at our Lewiston, Idaho pulp and paperboard facility and $0.5 million associated with the construction of a paper machine at our Shelby, North Carolina consumer products facility. For the nine months ended September 30, 2016, we capitalized $1.6 million of interest expense associated with the continuous pulp digester project. In June 2017, we received land with a fair market value of $4.2 million from the City of Shelby, North Carolina and Cleveland County. We must fulfill certain obligations within five years or pay the value of the land or return the title to the land. This balance is included in "Property, plant, and equipment, net," with an associated amount in "Other long-term obligations" on our Consolidated Balance Sheet as of September 30, 2017.

Consistent with authoritative guidance, we assess the carrying amount of long-lived assets with definite lives that are held-for-use and evaluate them for recoverability whenever events or changes in circumstances indicate that we may be unable to recover the carrying amount of the assets.

STOCKHOLDERS' EQUITY

STOCKHOLDERS’ EQUITY

On December 15, 2015, we announced that our Board of Directors had approved a stock repurchase program authorizing the repurchase of up to $100 millionof our common stock. The repurchase program authorizes purchases of our common stock from time to time through open market purchases, negotiated transactions or other means, including accelerated stock repurchases and 10b5-1 trading plans in accordance with applicable securities laws and other restrictions. We have no obligation to repurchase stock under this program and may suspend or terminate the program at any time. In total, we have repurchased1,440,696 shares of our outstanding common stock as of September 30, 2017, pursuant to this repurchase program, of which84,750shares were repurchased during the first quarter of 2017 at an average price of$57.53per share. We did not repurchase shares during the second or third quarters of 2017. As of September 30, 2017, we had up to $29.8 millionof authorization remaining pursuant to this stock repurchase program.

During the third quarter of 2017, we retired 7,821,005 treasury shares. The impact of this retirement was reflected within the stockholders' equity line items on our Consolidated Balance Sheet.

DERIVATIVES

DERIVATIVES

We had no activity during the three and nine months ended September 30, 2017 and 2016 that required hedge or derivative accounting treatment. However, to help mitigate our exposure to market risk for changes in utility commodity pricing, we use firm price contracts to supply a portion of the natural gas requirements for our manufacturing facilities. As of September 30, 2017, these contracts covered approximately 30% of our expected average monthly natural gas requirements for the remainder of 2017, and a lesser amount for 2018. Historically, these contracts have qualified for treatment as “normal purchases or normal sales” under authoritative guidance and thus required no mark-to-market adjustment.

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Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Inventories

Inventories at the balance sheet dates consist of:

(In thousands)	September 30, 2017		December 31, 2016
Pulp, paperboard and tissue products	$	158,075	$	154,460
Materials and supplies	85,246		82,005
Logs, pulpwood, chips and sawdust	14,512		21,564
	$	257,833	$	258,029

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Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Finite-Lived Intangible Assets, Net [Abstract]

Intangible Assets

Intangible assets at the balance sheet dates are comprised of the following:

	September 30, 2017
(Dollars in thousands, lives in years)	Weighted Average Useful Life	Historical Cost		Accumulated Amortization			Net Balance
Customer relationships	9.3	$	62,401	$	(32,387	)	$	30,014
Trade names and trademarks	7.4	6,786		(2,743		)	4,043
Non-compete agreements	5.0	574		(558		)	16
Other intangibles	6.0	572		(117		)	455
		$	70,333	$	(35,805	)	$	34,528
	December 31, 2016
(Dollars in thousands, lives in years)	Weighted Average Useful Life	Historical Cost		Accumulated Amortization			Net Balance
Customer relationships	9.3	$	62,401	$	(27,364	)	$	35,037
Trade names and trademarks	7.4	6,786		(1,972		)	4,814
Non-compete agreements	5.0	574		(512		)	62
Other intangibles	6.0	572		—			572
		$	70,333	$	(29,848	)	$	40,485

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Accounts Payable and Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2017

Accounts Payable and Accrued Liabilities [Abstract]

Accounts Payable and Accrued Liabilities

Accounts payable and accrued liabilities at the balance sheet dates consist of:

(In thousands)	September 30, 2017		December 31, 2016
Trade accounts payable	$	189,940	$	128,106
Accrued wages, salaries and employee benefits	34,174		49,871
Accrued discounts and allowances	11,292		10,291
Accrued utilities	6,993		6,712
Accrued taxes other than income taxes payable	6,570		6,946
Accrued interest	5,582		12,149
Accrued transportation	2,208		1,761
Other	6,389		7,863
	$	263,148	$	223,699

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Other Long-Term Obligations (Tables)

9 Months Ended

Sep. 30, 2017

Other Liabilities, Noncurrent [Abstract]

Other Long-Term Obligations

Other long-term obligations at the balance sheet dates consist of:

(In thousands)	September 30, 2017		December 31, 2016
Long-term lease obligations, net of current portion	$	23,426	$	23,152
Deferred proceeds	5,966		9,013
Deferred compensation	5,168		7,219
Other	6,382		2,392
	$	40,942	$	41,776

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Reclassification out of Accumulated Other Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2017

Equity [Abstract]

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

Accumulated other comprehensive loss, net of tax, is comprised of the following:

(In thousands)	Pension and Other Post Retirement Employee Benefit Plan Adjustments
Balance at December 31, 2016	$	(51,753	)
Other comprehensive income, net of tax1	784
Balance at September 30, 2017	$	(50,969	)
(In thousands)	Pension and Other Post Retirement Employee Benefit Plan Adjustments
Balance at December 31, 2015	$	(55,548	)
Other comprehensive income before reclassifications	953
Amounts reclassified from accumulated other comprehensive loss2	$	1,632
Other comprehensive income, net of tax1	2,585
Balance at September 30, 2016	$	(52,963	)

¹  Included in other comprehensive income are net periodic costs associated with our pension and other postretirement employee benefit (OPEB) plans that were reclassified from accumulated other comprehensive loss. For the nine months ended September 30, 2017 and 2016, actuarial loss amortization of $1.5 million and $1.7 million, respectively, as well as $0.7 million and $0.8 million, respectively, of prior service credit amortization were reclassified. These amounts are net of tax totaling $0.5 million and $0.6 million for each respective period. These accumulated other comprehensive loss components are included in the computation of net periodic pension and OPEB costs in Note 10, “Pension and Other Postretirement Employee Benefit Plans.”

²  Included in "Amounts reclassified from accumulated other comprehensive loss" above for the nine months ended September 30, 2016 is settlement expense of $3.5 million associated with the remeasurement of our salaried pension plan, which is discussed further in Note 10, “Pension and Other Postretirement Employee Benefit Plans.” The remeasurement resulted in a settlement loss of $0.8 million recorded to the pension liability and reclassified from accumulated other comprehensive loss. The settlement expense and corresponding remeasurement are net of tax totaling $1.1 million.

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Pension and Other Postretirement Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2017

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Cost of Pension and Other Postretirement Employee Benefit Plans

The following table details the components of net periodic cost of our company-sponsored pension and OPEB plans for the periods presented:

	Three Months Ended September 30,
(In thousands)	2017			2016			2017			2016
	Pension Benefit Plans						Other Postretirement Employee  Benefit Plans
Service cost	$	518		$	391		$	41		$	62
Interest cost	3,288			3,518			688			730
Expected return on plan assets	(4,691		)	(4,847		)	—			—
Amortization of prior service cost (credit)	2			6			(384		)	(428		)
Amortization of actuarial loss (gain)	2,468			2,865			(1,662		)	(2,233		)
Settlement	—			3,482			—			—
Net periodic cost	$	1,585		$	5,415		$	(1,317	)	$	(1,869	)

	Nine months ended September 30,
(In thousands)	2017			2016			2017			2016
	Pension Benefit Plans						Other Postretirement Employee  Benefit Plans
Service cost	$	1,552		$	1,171		$	122		$	187
Interest cost	9,862			10,779			2,059			2,306
Expected return on plan assets	(14,073		)	(14,608		)	(1		)	(1		)
Amortization of prior service cost (credit)	6			17			(1,151		)	(1,284		)
Amortization of actuarial loss (gain)	7,405			8,510			(4,963		)	(5,674		)
Settlement	—			3,482			—			—
Net periodic cost	$	4,752		$	9,351		$	(3,934	)	$	(4,466	)

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Earnings per Common Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Reconciliation of Number of Common Shares Used in Calculating Basic and Diluted Net Earnings per Share

The following table reconciles the number of common shares used in calculating the basic and diluted net earnings per share:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Basic average common shares outstanding1	16,457,991		16,844,920		16,466,325		17,141,329
Incremental shares due to:
Restricted stock units	42,122		54,796		37,021		35,853
Performance shares	50,506		104,476		42,914		74,604
Stock options	16,265		55,466		26,347		1,148
Diluted average common shares outstanding	16,566,884		17,059,658		16,572,607		17,252,934
Basic net earnings per common share	$	0.05	$	0.05	$	1.00	$	2.35
Diluted net earnings per common share	0.05		0.05		0.99		2.33
Anti-dilutive shares excluded from calculation	468,624		5,783		525,655		502,293

¹  Basic average common shares outstanding include restricted stock awards that are fully vested, but are deferred for future issuance.

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Equity-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Employee Equity-Based Compensation Expense

Employee equity-based compensation expense was recognized as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
(In thousands)	2017		2016		2017		2016
Restricted stock units	$	429	$	352	$	1,224	$	1,012
Performance shares	567		877		1,793		2,313
Stock options	659		792		1,974		2,076
Total employee equity-based compensation expense	$	1,655	$	2,021	$	4,991	$	5,401

Summary of Number of Share-Based Awards Granted

The following table summarizes the number of share-based awards granted under the Clearwater Paper Corporation 2008 Stock Incentive Plan during the nine months ended September 30, 2017 and the grant-date fair value of the awards:

	Nine Months Ended
	September 30, 2017
	Number of Shares Subject to Award	Average Fair Value of Award Per Share
Restricted stock units	66,774	$	56.45
Performance shares	33,907	58.58
Stock options	158,484	18.82

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Estimated Fair Values of Financial Instruments

The estimated fair values of our financial instruments at the dates presented below are as follows:

	September 30,				December 31,
	2017				2016
	Carrying		Fair		Carrying		Fair
(In thousands)	Amount		Value		Amount		Value
Cash and cash equivalents (Level 1)	$	8,478	$	8,478	$	23,001	$	23,001
Borrowings under revolving credit facilities (Level 1)	110,000		110,000		135,000		135,000
Long-term debt (Level 2)	575,000		568,639		575,000		567,875

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Segment Information (Tables)

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Reportable Segments Information

The table below presents information about our reportable segments:

	Three Months Ended September 30,						Nine Months Ended September 30,
(In thousands)	2017			2016			2017			2016
Segment net sales:
Consumer Products	$	232,916		$	253,319		$	707,251		$	746,249
Pulp and Paperboard	193,588			182,001			586,441			562,946
Total segment net sales	$	426,504		$	435,320		$	1,293,692		$	1,309,195
Operating income (loss):
Consumer Products1	$	4,436		$	17,201		$	21,159		$	54,135
Pulp and Paperboard	15,023			9,956			63,866			85,151
	19,459			27,157			85,025			139,286
Corporate2	(14,008		)	(17,877		)	(39,351		)	(52,079		)
Income from operations	$	5,451		$	9,280		$	45,674		$	87,207
Depreciation and amortization:
Consumer Products1	$	16,073		$	15,022		$	50,607		$	42,984
Pulp and Paperboard	8,328			6,530			24,789			19,346
Corporate	1,455			1,195			4,072			3,591
Total depreciation and amortization	$	25,856		$	22,747		$	79,468		$	65,921

¹  Operating income for the Consumer Products segment for the three and nine months ended September 30, 2017 includes $5.1 million and $11.1 million, respectively, of costs associated with the closure of the Oklahoma City facility. These costs for the three and nine months ended September 30, 2017 includes accelerated depreciation of $4.3 million on the writedown of assets to their held for sale value. Depreciation and amortization expense for the nine months ended September 30, 2017 includes $3.7 million of accelerated depreciation associated with the Oklahoma City facility closure.

²  For the three and nine months ended September 30, 2016, corporate expenses include $3.5 million of settlement expense associated with a lump sum buyout for term-vested participants of our salaried plan, which is discussed further in Note 10, "Pension and Other Postretirement Employee Benefit Plans."

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Supplemental Guarantor Financial Information (Tables)

9 Months Ended

Sep. 30, 2017

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed Consolidating Statement of Operations and Comprehensive Income (Loss)

Clearwater Paper Corporation

Consolidating Statement of Operations and Comprehensive Income

Three Months Ended September 30, 2017

				Guarantor
(In thousands)	Issuer			Subsidiaries			Eliminations			Total
Net sales	$	423,712		$	55,894		$	(53,102	)	$	426,504
Cost and expenses:
Cost of sales	(387,696		)	(51,052		)	52,167			(386,581		)
Selling, general and administrative expenses	(24,676		)	(9,796		)	—			(34,472		)
Total operating costs and expenses	(412,372		)	(60,848		)	52,167			(421,053		)
Income (loss) from operations	11,340			(4,954		)	(935		)	5,451
Interest expense, net	(7,407		)	(276		)	—			(7,683		)
Earnings (loss) before income taxes	3,933			(5,230		)	(935		)	(2,232		)
Income tax (provision) benefit	(1,847		)	4,589			353			3,095
Equity in loss of subsidiary	(641		)	—			641			—
Net earnings (loss)	$	1,445		$	(641	)	$	59		$	863
Other comprehensive income, net of tax	257			—			—			257
Comprehensive income (loss)	$	1,702		$	(641	)	$	59		$	1,120

Clearwater Paper Corporation

Consolidating Statement of Operations and Comprehensive Income

Nine Months Ended September 30, 2017

				Guarantor
(In thousands)	Issuer			Subsidiaries			Eliminations			Total
Net sales	$	1,263,467		$	196,399		$	(166,174	)	$	1,293,692
Cost and expenses:
Cost of sales	(1,137,931		)	(178,732		)	162,319			(1,154,344		)
Selling, general and administrative expenses	(71,445		)	(22,229		)	—			(93,674		)
Total operating costs and expenses	(1,209,376		)	(200,961		)	162,319			(1,248,018		)
Income (loss) from operations	54,091			(4,562		)	(3,855		)	45,674
Interest expense, net	(22,981		)	(418		)	—			(23,399		)
Earnings (loss) before income taxes	31,110			(4,980		)	(3,855		)	22,275
Income tax (provision) benefit	(11,857		)	4,582			1,415			(5,860		)
Equity in loss of subsidiary	(398		)	—			398			—
Net earnings (loss)	$	18,855		$	(398	)	$	(2,042	)	$	16,415
Other comprehensive income, net of tax	784			—			—			784
Comprehensive income (loss)	$	19,639		$	(398	)	$	(2,042	)	$	17,199

Clearwater Paper Corporation

Consolidating Statement of Operations and Comprehensive Income

Three Months Ended September 30, 2016

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
Net sales	$	421,617		$	70,912		$	(57,209	)	$	435,320
Cost and expenses:
Cost of sales	(388,817		)	(64,997		)	57,209			(396,605		)
Selling, general and administrative expenses	(27,453		)	(1,982		)	—			(29,435		)
Total operating costs and expenses	(416,270		)	(66,979		)	57,209			(426,040		)
Income from operations	5,347			3,933			—			9,280
Interest expense, net	(7,411		)	(109		)	—			(7,520		)
(Loss) earnings before income taxes	(2,064		)	3,824			—			1,760
Income tax benefit (provision)	661			(1,520		)	—			(859		)
Equity in income of subsidiary	2,304			—			(2,304		)	—
Net earnings	$	901		$	2,304		$	(2,304	)	$	901
Other comprehensive income, net of tax	1,759			—			—			1,759
Comprehensive income	$	2,660		$	2,304		$	(2,304	)	$	2,660

Clearwater Paper Corporation

Consolidating Statement of Operations and Comprehensive Income

Nine Months Ended September 30, 2016

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
Net sales	$	1,266,300		$	216,361		$	(173,466	)	$	1,309,195
Cost and expenses:
Cost of sales	(1,102,229		)	(198,340		)	173,466			(1,127,103		)
Selling, general and administrative expenses	(85,107		)	(9,778		)	—			(94,885		)
Total operating costs and expenses	(1,187,336		)	(208,118		)	173,466			(1,221,988		)
Income from operations	78,964			8,243			—			87,207
Interest expense, net	(22,427		)	(132		)	—			(22,559		)
Earnings before income taxes	56,537			8,111			—			64,648
Income tax provision	(20,933		)	(3,504		)	—			(24,437		)
Equity in income of subsidiary	4,607			—			(4,607		)	—
Net earnings	$	40,211		$	4,607		$	(4,607	)	$	40,211
Other comprehensive income, net of tax	2,585			—			—			2,585
Comprehensive income	$	42,796		$	4,607		$	(4,607	)	$	42,796

Condensed Consolidating Balance Sheet

Clearwater Paper Corporation

Consolidating Balance Sheet

At September 30, 2017

(In thousands)	Issuer			Guarantor Subsidiaries		Eliminations			Total
ASSETS
Current assets:
Cash and cash equivalents	$	8,478		$	—	$	—		$	8,478
Receivables, net	116,392			19,554		—			135,946
Taxes receivable	14,543			35		—			14,578
Inventories	221,233			40,455		(3,855		)	257,833
Other current assets	5,846			604		—			6,450
Total current assets	366,492			60,648		(3,855		)	423,285
Property, plant and equipment, net	898,859			115,976		—			1,014,835
Goodwill	244,283			—		—			244,283
Intangible assets, net	2,351			32,177		—			34,528
Intercompany receivable (payable)	(4,041		)	186		3,855			—
Investment in subsidiary	144,691			—		(144,691		)	—
Other assets, net	11,787			3,466		(3,173		)	12,080
TOTAL ASSETS	$	1,664,422		$	212,453	$	(147,864	)	$	1,729,011
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Borrowings under revolving credit facilities	$	110,000		$	—	$	—		$	110,000
Accounts payable and accrued liabilities	241,938			21,210		—			263,148
Current liability for pensions and   other postretirement employee benefits	7,821			—		—			7,821
Total current liabilities	359,759			21,210		—			380,969
Long-term debt	570,331			—		—			570,331
Liability for pensions and   other postretirement employee benefits	78,440			—		—			78,440
Other long-term obligations	40,800			142		—			40,942
Accrued taxes	1,721			836		—			2,557
Deferred tax liabilities	127,009			45,574		(3,173		)	169,410
TOTAL LIABILITIES	1,178,060			67,762		(3,173		)	1,242,649
Stockholders’ equity excluding accumulated other comprehensive loss	537,331			144,691		(144,691		)	537,331
Accumulated other comprehensive loss, net of tax	(50,969		)	—		—			(50,969		)
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$	1,664,422		$	212,453	$	(147,864	)	$	1,729,011

Clearwater Paper Corporation

Consolidating Balance Sheet

At December 31, 2016

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
ASSETS
Current assets:
Cash and cash equivalents	$	19,586		$	3,415		$	—		$	23,001
Receivables, net	130,098			27,252			(10,276		)	147,074
Taxes receivable	15,143			35			(5,469		)	9,709
Inventories	208,472			51,432			(1,875		)	258,029
Other current assets	8,161			521			—			8,682
Total current assets	381,460			82,655			(17,620		)	446,495
Property, plant and equipment, net	802,064			143,264			—			945,328
Goodwill	244,283			—			—			244,283
Intangible assets, net	3,135			37,350			—			40,485
Intercompany receivable (payable)	30,034			(31,909		)	1,875			—
Investment in subsidiary	145,089			—			(145,089		)	—
Other assets, net	8,433			2,853			(3,535		)	7,751
TOTAL ASSETS	$	1,614,498		$	234,213		$	(164,369	)	$	1,684,342
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Borrowings under revolving credit facilities	$	135,000		$	—		$	—		$	135,000
Accounts payable and accrued liabilities	202,187			37,257			(15,745		)	223,699
Current liability for pensions and   other postretirement employee benefits	7,821			—			—			7,821
Total current liabilities	345,008			37,257			(15,745		)	366,520
Long-term debt	569,755			—			—			569,755
Liability for pensions and   other postretirement employee benefits	81,812			—			—			81,812
Other long-term obligations	41,424			352			—			41,776
Accrued taxes	1,614			820			—			2,434
Deferred tax liabilities	105,012			50,695			(3,535		)	152,172
TOTAL LIABILITIES	1,144,625			89,124			(19,280		)	1,214,469
Stockholders’ equity excluding accumulated other comprehensive loss	521,626			145,089			(145,089		)	521,626
Accumulated other comprehensive loss, net of tax	(51,753		)	—			—			(51,753		)
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$	1,614,498		$	234,213		$	(164,369	)	$	1,684,342

Condensed Consolidating Statement of Cash Flows

learwater Paper Corporation

Consolidating Statement of Cash Flows

Nine Months Ended September 30, 2017

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings (loss)	$	18,855		$	(398	)	$	(2,042	)	$	16,415
Adjustments to reconcile net earnings (loss) to   net cash flows from operating activities:
Depreciation and amortization	56,642			22,826			—			79,468
Equity-based compensation expense	2,523			—			—			2,523
Deferred tax provision (benefit)	19,531			(4,929		)	—			14,602
Employee benefit plans	(2,999		)	—			—			(2,999		)
Disposal of plant and equipment, net	481			3,274			—			3,755
Other, net	874			—			—			874
Changes in working capital, net	32,501			3,896			7,449			43,846
Changes in taxes receivable, net	600			—			(5,469		)	(4,869		)
Other, net	(413		)	(1,026		)	—			(1,439		)
Net cash flows from operating activities	128,595			23,643			(62		)	152,176
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(132,725		)	(3,925		)	—			(136,650		)
Other, net	283			470			—			753
Net cash flows from investing activities	(132,442		)	(3,455		)	—			(135,897		)
CASH FLOWS FROM FINANCING ACTIVITIES
Purchase of treasury stock	(4,875		)	—			—			(4,875		)
Borrowings on revolving credit facilities	185,000			—			—			185,000
Repayments of borrowings on revolving credit facilities	(210,000		)	—			—			(210,000		)
Investment from (to) parent	23,541			(23,603		)	62			—
Other, net	(927		)	—			—			(927		)
Net cash flows from financing activities	(7,261		)	(23,603		)	62			(30,802		)
Decrease in cash and cash equivalents	(11,108		)	(3,415		)	—			(14,523		)
Cash and cash equivalents at beginning of period	19,586			3,415			—			23,001
Cash and cash equivalents at end of period	$	8,478		$	—		$	—		$	8,478

Clearwater Paper Corporation

Consolidating Statement of Cash Flows

Nine Months Ended September 30, 2016

(In thousands)	Issuer			Guarantor Subsidiaries			Eliminations			Total
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings	$	40,211		$	4,607		$	(4,607	)	$	40,211
Adjustments to reconcile net earnings to net   cash flows from operating activities:
Depreciation and amortization	50,214			15,707			—			65,921
Equity-based compensation expense	9,826			—			—			9,826
Deferred tax provision (benefit)	11,641			1,826			(1,138		)	12,329
Employee benefit plans	(500		)	—			—			(500		)
Disposal of plant and equipment, net	30			—			—			30
Other, net	471			13			—			484
Changes in working capital, net	1,961			4,531			(2,447		)	4,045
Changes in taxes receivable, net	6,178			(1,408		)	2,447			7,217
Other, net	(1,205		)	(613		)	1,138			(680		)
Net cash flows from operating activities	118,827			24,663			(4,607		)	138,883
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(99,912		)	(5,602		)	—			(105,514		)
Other, net	250			—			—			250
Net cash flows from investing activities	(99,662		)	(5,602		)	—			(105,264		)
CASH FLOWS FROM FINANCING ACTIVITIES
Purchase of treasury stock	(51,528		)	—			—			(51,528		)
Borrowings on revolving credit facilities	944,844			—			—			944,844
Repayments of borrowings on revolving credit facilities	(931,832		)	—			—			(931,832		)
Investment from (to) parent	14,454			(19,061		)	4,607			—
Other, net	(382		)	—			—			(382		)
Net cash flows from financing activities	(24,444		)	(19,061		)	4,607			(38,898		)
Decrease in cash and cash equivalents	(5,279		)	—			—			(5,279		)
Cash and cash equivalents at beginning of period	5,610			—			—			5,610
Cash and cash equivalents at end of period	$	331		$	—		$	—		$	331

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Nature of Operations and Basis of Presentation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				9 Months Ended		22 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Oct. 27, 2017	Jun. 30, 2017	Dec. 15, 2015
Nature of Operations
Business Combination, Consideration Transferred				$ 71,700
Restricted Cash and Cash Equivalents, Current		$ 0		0	$ 0		$ 0
Restricted Cash and Cash Equivalents, Noncurrent		0		0	0		0
Allowance for doubtful accounts		1,300		1,500	1,300		1,300
Accumulated depreciation		1,617,500		$ 1,582,000	1,617,500		1,617,500
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 29,800			$ 29,800		$ 29,800
Percentage Of Expected Natural Gas Requirement Covered Under Contract		30.00%			30.00%		30.00%
Interest Costs Capitalized					$ 3,000	$ 1,600
Shelby paper machine interest cost capitalized					500
Entity Common Stock, Shares Outstanding								16,433,415
Land									$ 4,200
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	$ 3,000	$ 4,300
Other Nonrecurring Expense, Planned Permaent Facility Closure		$ 800			$ 6,800
Treasury Stock, Shares		7,821,005			7,821,005		7,821,005
Common Stock
Nature of Operations
Common stock repurchase authorized										$ 100,000
Number of shares repurchased (in shares)			84,750				1,440,696
Treasury Stock Acquired, Average Cost Per Share					$ 57.53

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Recently Adopted and New Accounting Standards Recently Adopted and New Accounting Standards (Details) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Proceeds and Excess Tax Benefit from Share-based Compensation	$ 1.0
Diluted EPS impact of adoption of ASU 2016-09	$ 0.06
Defined Benefit Plan, Net Periodic Benefit Cost		$ 5.3
Defined Benefit Plan, Service Cost		$ 1.8

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Inventories (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Inventory Disclosure [Abstract]
Pulp, paperboard and tissue products	$ 158,075	$ 154,460
Materials and supplies	85,246	82,005
Logs, pulpwood, chips and sawdust	14,512	21,564
Inventories	$ 257,833	$ 258,029

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Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 2,000	$ 1,100	$ 6,000	$ 3,200
Historical Cost	70,333		70,333		$ 70,333
Accumulated Amortization	(35,805)		(35,805)		(29,848)
Net Balance	34,528		$ 34,528		$ 40,485
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Useful Life			9 years 4 months		9 years 4 months
Historical Cost	62,401		$ 62,401		$ 62,401
Accumulated Amortization	(32,387)		(32,387)		(27,364)
Net Balance	30,014		$ 30,014		$ 35,037
Tradenames and trademarks
Finite-Lived Intangible Assets [Line Items]
Useful Life			7 years 5 months		7 years 5 months
Historical Cost	6,786		$ 6,786		$ 6,786
Accumulated Amortization	(2,743)		(2,743)		(1,972)
Net Balance	4,043		$ 4,043		$ 4,814
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Useful Life			5 years		5 years
Historical Cost	574		$ 574		$ 574
Accumulated Amortization	(558)		(558)		(512)
Net Balance	16		$ 16		$ 62
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life			6 years		6 years
Historical Cost	572		$ 572		$ 572
Accumulated Amortization	(117)		(117)		0
Net Balance	$ 455		$ 455		$ 572

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Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017
Operating Loss Carryforwards [Line Items]
Estimated Annual Effective Tax Rate	34.00%	36.00%
Proceeds and Excess Tax Benefit from Share-based Compensation			$ 1.0

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Accounts Payable and Accrued Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Accounts Payable and Accrued Liabilities [Abstract]
Trade accounts payable	$ 189,940	$ 128,106
Accrued wages, salaries and employee benefits	34,174	49,871
Accrued discounts and allowances	11,292	10,291
Accrued taxes other than income taxes payable	6,570	6,946
Accrued utilities	6,993	6,712
Accrued interest	5,582	12,149
Accrued Transportation Current	2,208	1,761
Other	6,389	7,863
Accounts payable and accrued liabilities	$ 263,148	$ 223,699

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Debt - Additional Information (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016	Jan. 21, 2013
Debt Instrument [Line Items]
Line of Credit Facility, Fair Value of Amount Outstanding	$ 110,000		$ 135,000
Line of Credit, Current	110,000		$ 135,000
Repayments of Lines of Credit	210,000	$ 931,832
Line of Credit Facility, Maximum Borrowing Capacity	$ 300,000
Minimum
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis	0.0125
Line of Credit Facility, Commitment Fee Percentage	0.20%
Maximum
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis	0.02
Line of Credit Facility, Commitment Fee Percentage	0.35%
Contractual Interest Rate Reduction [Member]
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis	0.01
Interest rate increase [Domain]
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis	0.0025
Senior Notes Due 2023
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 275,000
Debt instrument, interest rate				4.50%
Revolving Credit Facility
Debt Instrument [Line Items]
Outstanding stand by letters of credit	$ 6,800
Credit facility available to draw	183,200
Northwest Farm Credit [Domain]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	100,000
Wells Fargo [Domain]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 200,000

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Other Long-Term Obligations (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Other Liabilities, Noncurrent [Abstract]
Long-term lease obligations, net of current portion	$ 23,426	$ 23,152
Deferred proceeds	5,966	9,013
Deferred compensation	5,168	7,219
Other	6,382	2,392
Other long-term obligations	$ 40,942	$ 41,776

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Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Reclassification Out of Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax		$ (487)	$ (384)	$ (1,475)	$ (1,723)
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Net of Tax			800
Period opening balance				(51,753)
Net current period other comprehensive income ending balance		257	1,759	784	2,585
Period closing balance		(50,969)		(50,969)		$ (51,753)
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Net of Tax		(230)	(257)	(691)	(770)
Other comprehensive income (loss), tax				500	600
Defined Benefit Plan, Settlements, Benefit Obligation					3,500
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Tax		0	1,054	0	(1,054)
Defined Benefit Pension Plan Adjustments
Reclassification Out of Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax						953
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax						1,632
Period opening balance			(52,963)	(51,753)	(55,548)	(55,548)
Net current period other comprehensive income ending balance	[1]			784	2,585
Period closing balance		(50,969)		(50,969)		$ (51,753)
Pension Plan [Member]
Reclassification Out of Accumulated Other Comprehensive Income [Line Items]
Defined Benefit Plan, Settlements, Benefit Obligation		$ 0	$ 3,482	$ 0	$ 3,482

[1] Included in other comprehensive income are net periodic costs associated with our pension and other postretirement employee benefit (OPEB) plans that were reclassified from accumulated other comprehensive loss. For the nine months ended September 30, 2017 and 2016, actuarial loss amortization of $1.5 million and $1.7 million, respectively, as well as $0.7 million and $0.8 million, respectively, of prior service credit amortization were reclassified. These amounts are net of tax totaling $0.5 million and $0.6 million for each respective period. These accumulated other comprehensive loss components are included in the computation of net periodic pension and OPEB costs in Note 10, “Pension and Other Postretirement Employee Benefit Plans.” 2 Included in "Amounts reclassified from accumulated other comprehensive loss" above for the nine months ended September 30, 2016 is settlement expense of $3.5 million associated with the remeasurement of our salaried pension plan, which is discussed further in Note 10, “Pension and Other Postretirement Employee Benefit Plans.” The remeasurement resulted in a settlement loss of $0.8 million recorded to the pension liability and reclassified from accumulated other comprehensive loss. The settlement expense and corresponding remeasurement are net of tax totaling $1.1 million.

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Pension and Other Postretirement Employee Benefit Plans - Additional Information (Detail 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost					$ 5,300
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year			$ 0
Supplemental Employee Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contribution			200
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year			400
Non Qualified Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost	$ (1,317)	$ (1,869)	(3,934)	$ (4,466)
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost	1,585	5,415	4,752	9,351
Employer contribution			0	0
Cost of Sales [Member]
Defined Benefit Plan Disclosure [Line Items]
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax	200	100	500	800
Selling, General and Administrative Expenses [Member]
Defined Benefit Plan Disclosure [Line Items]
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax	$ 100	$ 100	$ 300	$ 600

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Pension and Other Postretirement Employee Benefit Plans Components of Net Periodic Cost of Pension and Other Postretirement Employee Benefit Plans (Detail 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended			12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Settlements, Benefit Obligation				$ 3,500
Defined Benefit Plan, Service Cost						$ 1,800
Net periodic cost						5,300
Pension Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Settlements, Benefit Obligation	$ 0	$ 3,482	$ 0	3,482
Defined Benefit Plan, Service Cost	518	391	1,552	1,171
Interest cost	3,288	3,518	9,862	10,779
Expected return on plan assets	(4,691)	(4,847)	(14,073)	(14,608)
Amortization of prior service cost (credit)	2	6	6	17
Amortization of actuarial loss	2,468	2,865	7,405	8,510
Net periodic cost	1,585	5,415	4,752	9,351
Other Postretirement Employee Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Settlements, Benefit Obligation			0	0	$ 0	$ 0
Defined Benefit Plan, Service Cost	41	62	122	187
Interest cost	688	730	2,059	2,306
Expected return on plan assets	0	0	(1)	(1)
Amortization of prior service cost (credit)	(384)	(428)	(1,151)	(1,284)
Amortization of actuarial loss	(1,662)	(2,233)	(4,963)	(5,674)
Net periodic cost	(1,317)	(1,869)	(3,934)	(4,466)
Selling, General and Administrative Expenses [Member]
Defined Benefit Plan Disclosure [Line Items]
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax	100	100	300	600
Defined Benefit Plan, Settlements, Benefit Obligation				1,600
Cost of Sales [Member]
Defined Benefit Plan Disclosure [Line Items]
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax	$ 200	$ 100	$ 500	800
Defined Benefit Plan, Settlements, Benefit Obligation				$ 1,900

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Earnings per Common Share Reconciliation of Number of Common Shares Used in Calculating Basic and Diluted Net Earnings Per Share (Detail) - $ / shares		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Basic average common shares outstanding	[1]	16,457,991.000	16,844,920.00	16,466,325.000	17,141,329.000
Incremental shares due to:
Restricted stock units		42,122.000	54,796.000	37,021.000	35,853.000
Performance shares		50,506.000	104,476.000	42,914.000	74,604.000
Incremental Common Shares Attributable to Stock Options		16,265.000	55,466.000	26,347.000	1,148
Diluted average common shares outstanding		16,566,884.000	17,059,658.000	16,572,607	17,252,934
Basic net earnings per common share (in dollars per share)		$ 0.05	$ 0.05	$ 1.00	$ 2.35
Diluted net earnings per common share (in dollars per share)		$ 0.05	$ 0.05	$ 0.99	$ 2.33
Anti-dilutive shares excluded from calculation		468,624.000	5,783.000	525,655.000	502,293.000

[1] Basic average common shares outstanding include restricted stock awards that are fully vested, but are deferred for future issuance.

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Equity-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of performance share payout measured by total shareholder return	40.00%		40.00%
Percentage of performance share payout measured by return on invested capital	60.00%		60.00%
Allocated Share-based Compensation Expense	$ 1,655	$ 2,021	$ 4,991	$ 5,401
Cash paid for minimum tax withholdings			$ 790
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			89.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period			3,594
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price			$ 66.97
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	134,266		134,266
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 66.85		$ 66.85
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 567	877	$ 1,793	2,313
Shares issued (in shares)			27,878
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested Shares Settled			45,953
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	429	352	$ 1,224	1,012
Shares issued (in shares)			3,351
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested Shares Settled			5,000
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	659	792	$ 1,974	2,076
Options, Grants in Period, Gross			158,484
Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	500	$ 100		$ 4,400
Share Based Compensation Arrangement By Share Based Payment Award Compensation Cost Reversal			$ (2,500)
Deferred Compensation Share-based Arrangements, Liability, Classified, Noncurrent	2,500		2,500		$ 7,900
Deferred Compensation Cash-based Arrangements, Liability, Classified, Noncurrent	$ 3,800		$ 3,800		$ 3,200
Minimum | Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Outstanding Award As Percentage Of Shares Issued	0.00%		0.00%
Maximum | Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Outstanding Award As Percentage Of Shares Issued	200.00%		200.00%

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Equity-Based Compensation Employee Equity Based Compensation Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	$ 1,655	$ 2,021	$ 4,991	$ 5,401
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	429	352	1,224	1,012
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	567	877	1,793	2,313
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	$ 659	$ 792	$ 1,974	$ 2,076

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Equity-Based Compensation Summary of Number of Share-Based Awards Granted (Detail)	9 Months Ended
	Sep. 30, 2017 $ / shares shares
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of share-based awards granted | shares	33,907
Grant-date fair value of awards per share | $ / shares	$ 58.58
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of share-based awards granted | shares	66,774
Grant-date fair value of awards per share | $ / shares	$ 56.45
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant-date fair value of awards per share | $ / shares	$ 18.82
Options, Grants in Period, Gross | shares	158,484

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Fair Value Measurements Estimated Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Line of Credit Facility, Fair Value of Amount Outstanding	$ 110,000	$ 135,000
Line of Credit, Current	110,000	135,000
Cash, restricted cash, and short-term investments (Level 1)	8,478	23,001
Long-term debt (Level 1)	568,639	567,875
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Line of Credit Facility, Fair Value of Amount Outstanding	110,000	135,000
Cash, restricted cash, and short-term investments (Level 1)	8,478	23,001
Long-term debt (Level 1)	$ 575,000	$ 575,000

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Business Interruption and Insurance Recovery (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	9 Months Ended
	Dec. 31, 2016	Mar. 31, 2017	Sep. 30, 2017
Shelby facility [Member]
Segment Reporting Information [Line Items]
Operating Insurance and Claims Costs, Production			$ 2.9
Las Vegas facility [Member] [Domain]
Segment Reporting Information [Line Items]
Operating Insurance and Claims Costs, Production	$ 1.5	$ 3.3	$ 1.4

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Segment Information Reportable Segments Information (Detail) - USD ($) $ in Thousands	3 Months Ended					9 Months Ended
	Dec. 31, 2017	Sep. 30, 2017		Sep. 30, 2016		Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Other Nonrecurring Expense, Planned Permaent Facility Closure		$ 800				$ 6,800
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	$ 3,000	4,300
Net sales		426,504		$ 435,320		1,293,692	$ 1,309,195
Income from operations		5,451		9,280		45,674	87,207
Depreciation and amortization		25,856		22,747		79,468	65,921
Defined Benefit Plan, Settlements, Benefit Obligation							3,500
Consumer Products
Segment Reporting Information [Line Items]
Net sales		232,916		253,319		707,251	746,249
Income from operations		4,436	[1]	17,201	[1]	21,159	54,135
Depreciation and amortization		16,073	[1]	15,022	[1]	50,607	42,984
Pulp and Paperboard
Segment Reporting Information [Line Items]
Net sales		193,588		182,001		586,441	562,946
Income from operations		15,023		9,956		63,866	85,151
Depreciation and amortization		8,328		6,530		24,789	19,346
Operating Segments
Segment Reporting Information [Line Items]
Income from operations		19,459		27,157		85,025	139,286
Corporate
Segment Reporting Information [Line Items]
Income from operations		(14,008)		(17,877)	[2]	(39,351)	(52,079)	[2]
Depreciation and amortization		1,455		$ 1,195		4,072	$ 3,591
Oklahoma City [Domain] | Consumer Products
Segment Reporting Information [Line Items]
Other Nonrecurring Expense, Planned Permaent Facility Closure		$ 5,100				11,100
Restructuring and Related Cost, Accelerated Depreciation						$ 3,700

[1] 1 Operating income for the Consumer Products segment for the three and nine months ended September 30, 2017 includes $5.1 million and $11.1 million, respectively, of costs associated with the closure of the Oklahoma City facility. These costs for the three and nine months ended September 30, 2017 includes accelerated depreciation of $4.3 million on the writedown of assets to their held for sale value. Depreciation and amortization expense for the nine months ended September 30, 2017 includes $3.7 million of accelerated depreciation associated with the Oklahoma City facility closure.

[2] 2 For the three and nine months ended September 30, 2016, corporate expenses include $3.5 million of settlement expense associated with a lump sum buyout for term-vested participants of our salaried plan, which is discussed further in Note 10, "Pension and Other Postretirement Employee Benefit Plans."

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Supplemental Guarantor Financial Information Condensed Consolidating Statement of Operations and Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Condensed Financial Statements, Captions [Line Items]
Net sales	$ 426,504	$ 435,320	$ 1,293,692	$ 1,309,195
Cost and expenses:
Cost of sales	(386,581)	(396,605)	(1,154,344)	(1,127,103)
Selling, general and administrative expenses	(34,472)	(29,435)	(93,674)	(94,885)
Total operating costs and expenses	(421,053)	(426,040)	(1,248,018)	(1,221,988)
Income (loss) from operations	5,451	9,280	45,674	87,207
Interest expense, net	(7,683)	(7,520)	(23,399)	(22,559)
Earnings (loss) before income taxes	(2,232)	1,760	22,275	64,648
Income tax (provision) benefit	3,095	(859)	(5,860)	(24,437)
Equity in income (loss) of subsidiary	0	0	0	0
Net earnings (loss)	863	901	16,415	40,211
Other comprehensive income, net of tax	257	1,759	784	2,585
Comprehensive income	1,120	2,660	17,199	42,796
Issuer
Condensed Financial Statements, Captions [Line Items]
Net sales	423,712	421,617	1,263,467	1,266,300
Cost and expenses:
Cost of sales	(387,696)	(388,817)	(1,137,931)	(1,102,229)
Selling, general and administrative expenses	(24,676)	(27,453)	(71,445)	(85,107)
Total operating costs and expenses	(412,372)	(416,270)	(1,209,376)	(1,187,336)
Income (loss) from operations	11,340	5,347	54,091	78,964
Interest expense, net	(7,407)	(7,411)	(22,981)	(22,427)
Earnings (loss) before income taxes	3,933	(2,064)	31,110	56,537
Income tax (provision) benefit	(1,847)	661	(11,857)	(20,933)
Equity in income (loss) of subsidiary	(641)	2,304	(398)	4,607
Net earnings (loss)	1,445	901	18,855	40,211
Other comprehensive income, net of tax	257	1,759	784	2,585
Comprehensive income	1,702	2,660	19,639	42,796
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net sales	55,894	70,912	196,399	216,361
Cost and expenses:
Cost of sales	(51,052)	(64,997)	(178,732)	(198,340)
Selling, general and administrative expenses	(9,796)	(1,982)	(22,229)	(9,778)
Total operating costs and expenses	(60,848)	(66,979)	(200,961)	(208,118)
Income (loss) from operations	(4,954)	3,933	(4,562)	8,243
Interest expense, net	(276)	(109)	(418)	(132)
Earnings (loss) before income taxes	(5,230)	3,824	(4,980)	8,111
Income tax (provision) benefit	4,589	(1,520)	4,582	(3,504)
Equity in income (loss) of subsidiary	0	0	0	0
Net earnings (loss)	(641)	2,304	(398)	4,607
Other comprehensive income, net of tax	0	0	0	0
Comprehensive income	(641)	2,304	(398)	4,607
Eliminations
Condensed Financial Statements, Captions [Line Items]
Net sales	(53,102)	(57,209)	(166,174)	(173,466)
Cost and expenses:
Cost of sales	52,167	57,209	162,319	173,466
Selling, general and administrative expenses	0	0	0	0
Total operating costs and expenses	52,167	57,209	162,319	173,466
Income (loss) from operations	(935)	0	(3,855)	0
Interest expense, net	0	0	0	0
Earnings (loss) before income taxes	(935)	0	(3,855)	0
Income tax (provision) benefit	353	0	1,415	0
Equity in income (loss) of subsidiary	641	(2,304)	398	(4,607)
Net earnings (loss)	59	(2,304)	(2,042)	(4,607)
Other comprehensive income, net of tax	0	0	0	0
Comprehensive income	$ 59	$ (2,304)	$ (2,042)	$ (4,607)

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Supplemental Guarantor Financial Information Condensed Consolidating Balance Sheet (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash	$ 8,478	$ 23,001	$ 331	$ 5,610
Restricted cash	0	0
Short-term investments	0	0
Receivables, net	135,946	147,074
Taxes receivable	14,578	9,709
Inventories	257,833	258,029
Other Assets, Current	6,450	8,682
Total current assets	423,285	446,495
Property, plant and equipment, net	1,014,835	945,328
Goodwill	244,283	244,283
Intangible assets, net	34,528	40,485
Investment in subsidiary	0	0
Other assets, net	12,080	7,751
TOTAL ASSETS	1,729,011	1,684,342
Line of Credit, Current	110,000	135,000
Current liabilities:
Accounts payable and accrued liabilities	263,148	223,699
Current liability for pensions and other postretirement employee benefits	7,821	7,821
Total current liabilities	380,969	366,520
Long-term debt	570,331	569,755
Liability for pensions and other postretirement employee benefits	78,440	81,812
Other long-term obligations	40,942	41,776
Accrued taxes	2,557	2,434
Deferred Tax Liabilities, Gross, Noncurrent	169,410	152,172
Liabilities	1,242,649	1,214,469
Accumulated other comprehensive loss, net of tax	(50,969)	(51,753)
Stockholders' equity excluding accumulated other comprehensive loss	537,331	521,626
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,729,011	1,684,342
Issuer
Current assets:
Cash	8,478	19,586	331	5,610
Receivables, net	116,392	130,098
Taxes receivable	14,543	15,143
Inventories	221,233	208,472
Other Assets, Current	5,846	8,161
Total current assets	366,492	381,460
Property, plant and equipment, net	898,859	802,064
Goodwill	244,283	244,283
Intangible assets, net	2,351	3,135
Intercompany receivable (payable)	(4,041)	30,034
Investment in subsidiary	144,691	145,089
Other assets, net	11,787	8,433
TOTAL ASSETS	1,664,422	1,614,498
Line of Credit, Current	110,000	135,000
Current liabilities:
Accounts payable and accrued liabilities	241,938	202,187
Current liability for pensions and other postretirement employee benefits	7,821	7,821
Total current liabilities	359,759	345,008
Long-term debt	570,331	569,755
Liability for pensions and other postretirement employee benefits	78,440	81,812
Other long-term obligations	40,800	41,424
Accrued taxes	1,721	1,614
Deferred Tax Liabilities, Gross, Noncurrent	127,009	105,012
Liabilities	1,178,060	1,144,625
Accumulated other comprehensive loss, net of tax	(50,969)	(51,753)
Stockholders' equity excluding accumulated other comprehensive loss	537,331	521,626
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,664,422	1,614,498
Guarantor Subsidiaries
Current assets:
Cash	0	3,415	0	0
Receivables, net	19,554	27,252
Taxes receivable	35	35
Inventories	40,455	51,432
Other Assets, Current	604	521
Total current assets	60,648	82,655
Property, plant and equipment, net	115,976	143,264
Goodwill	0	0
Intangible assets, net	32,177	37,350
Intercompany receivable (payable)	186	(31,909)
Investment in subsidiary	0	0
Other assets, net	3,466	2,853
TOTAL ASSETS	212,453	234,213
Line of Credit, Current	0	0
Current liabilities:
Accounts payable and accrued liabilities	21,210	37,257
Current liability for pensions and other postretirement employee benefits	0	0
Total current liabilities	21,210	37,257
Long-term debt	0	0
Liability for pensions and other postretirement employee benefits	0	0
Other long-term obligations	142	352
Accrued taxes	836	820
Deferred Tax Liabilities, Gross, Noncurrent	45,574	50,695
Liabilities	67,762	89,124
Accumulated other comprehensive loss, net of tax	0	0
Stockholders' equity excluding accumulated other comprehensive loss	144,691	145,089
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	212,453	234,213
Eliminations
Current assets:
Cash	0	0	$ 0	$ 0
Receivables, net	0	(10,276)
Taxes receivable	0	(5,469)
Inventories	(3,855)	(1,875)
Other Assets, Current	0	0
Total current assets	(3,855)	(17,620)
Property, plant and equipment, net	0	0
Goodwill	0	0
Intangible assets, net	0	0
Intercompany receivable (payable)	3,855	1,875
Investment in subsidiary	(144,691)	(145,089)
Other assets, net	(3,173)	(3,535)
TOTAL ASSETS	(147,864)	(164,369)
Line of Credit, Current	0	0
Current liabilities:
Accounts payable and accrued liabilities	0	(15,745)
Current liability for pensions and other postretirement employee benefits	0	0
Total current liabilities	0	(15,745)
Long-term debt	0	0
Liability for pensions and other postretirement employee benefits	0	0
Other long-term obligations	0	0
Accrued taxes	0	0
Deferred Tax Liabilities, Gross, Noncurrent	(3,173)	(3,535)
Liabilities	(3,173)	(19,280)
Accumulated other comprehensive loss, net of tax	0	0
Stockholders' equity excluding accumulated other comprehensive loss	(144,691)	(145,089)
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ (147,864)	$ (164,369)

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Supplemental Guarantor Financial Information Condensed Consolidating Statement of Cash Flows (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings (loss)	$ 863	$ 901	$ 16,415	$ 40,211
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization	25,856	22,747	79,468	65,921
Equity-based compensation expense			2,523	9,826
Deferred tax expense (benefit)			14,602	12,329
Employee benefit plans			2,999	500
Gain (Loss) on Disposition of Assets			3,755	30
Increase (Decrease) in Other Operating Assets and Liabilities, Net			874	484
Changes in working capital, net			43,846	4,045
Change in taxes receivable, net			(4,869)	7,217
Other Operating Activities, Cash Flow Statement			(1,439)	(680)
Net cash provided by operating activities			152,176	138,883
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to plant and equipment			(136,650)	(105,514)
Payments for (Proceeds from) Other Investing Activities			753	250
Net cash used for investing activities			(135,897)	(105,264)
CASH FLOWS FROM FINANCING ACTIVITIES
Payments for Repurchase of Common Stock			(4,875)	(51,528)
Investment (to) from Parent			0	0
Proceeds from Lines of Credit			185,000	944,844
Repayments of Lines of Credit			(210,000)	(931,832)
Payment of tax withholdings on equity-based payment arrangements			(790)
Proceeds from (Payments for) Other Financing Activities			(927)	(382)
Net cash (used for) provided by financing activities			(30,802)	(38,898)
Decrease in cash and cash equivalents			(14,523)	(5,279)
Cash at beginning of period			23,001	5,610
Cash at end of period	8,478	331	8,478	331
Issuer
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings (loss)	1,445	901	18,855	40,211
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization			56,642	50,214
Equity-based compensation expense			2,523	9,826
Deferred tax expense (benefit)			19,531	11,641
Employee benefit plans			2,999	500
Gain (Loss) on Disposition of Assets			481	30
Increase (Decrease) in Other Operating Assets and Liabilities, Net			874	471
Changes in working capital, net			32,501	1,961
Change in taxes receivable, net			600	6,178
Other Operating Activities, Cash Flow Statement			(413)	(1,205)
Net cash provided by operating activities			128,595	118,827
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to plant and equipment			(132,725)	(99,912)
Payments for (Proceeds from) Other Investing Activities			283	250
Net cash used for investing activities			(132,442)	(99,662)
CASH FLOWS FROM FINANCING ACTIVITIES
Payments for Repurchase of Common Stock			(4,875)	(51,528)
Investment (to) from Parent			23,541	14,454
Proceeds from Lines of Credit			185,000	944,844
Repayments of Lines of Credit			(210,000)	(931,832)
Proceeds from (Payments for) Other Financing Activities			(927)	(382)
Net cash (used for) provided by financing activities			(7,261)	(24,444)
Decrease in cash and cash equivalents			(11,108)	(5,279)
Cash at beginning of period			19,586	5,610
Cash at end of period	8,478	331	8,478	331
Guarantor Subsidiaries
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings (loss)	(641)	2,304	(398)	4,607
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization			22,826	15,707
Equity-based compensation expense			0	0
Deferred tax expense (benefit)			(4,929)	1,826
Employee benefit plans			0	0
Gain (Loss) on Disposition of Assets			3,274	0
Increase (Decrease) in Other Operating Assets and Liabilities, Net			0	13
Changes in working capital, net			3,896	4,531
Change in taxes receivable, net			0	(1,408)
Other Operating Activities, Cash Flow Statement			(1,026)	(613)
Net cash provided by operating activities			23,643	24,663
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to plant and equipment			(3,925)	(5,602)
Payments for (Proceeds from) Other Investing Activities			470	0
Net cash used for investing activities			(3,455)	(5,602)
CASH FLOWS FROM FINANCING ACTIVITIES
Payments for Repurchase of Common Stock			0	0
Investment (to) from Parent			(23,603)	(19,061)
Proceeds from Lines of Credit			0	0
Repayments of Lines of Credit			0	0
Proceeds from (Payments for) Other Financing Activities			0	0
Net cash (used for) provided by financing activities			(23,603)	(19,061)
Decrease in cash and cash equivalents			(3,415)	0
Cash at beginning of period			3,415	0
Cash at end of period	0	0	0	0
Eliminations
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings (loss)	59	(2,304)	(2,042)	(4,607)
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization			0	0
Equity-based compensation expense			0	0
Deferred tax expense (benefit)			0	(1,138)
Employee benefit plans			0	0
Gain (Loss) on Disposition of Assets			0	0
Increase (Decrease) in Other Operating Assets and Liabilities, Net			0	0
Changes in working capital, net			7,449	(2,447)
Change in taxes receivable, net			(5,469)	2,447
Other Operating Activities, Cash Flow Statement			0	1,138
Net cash provided by operating activities			(62)	(4,607)
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to plant and equipment			0	0
Payments for (Proceeds from) Other Investing Activities			0	0
Net cash used for investing activities			0	0
CASH FLOWS FROM FINANCING ACTIVITIES
Payments for Repurchase of Common Stock			0	0
Investment (to) from Parent			62	4,607
Proceeds from Lines of Credit			0	0
Repayments of Lines of Credit			0	0
Proceeds from (Payments for) Other Financing Activities			0	0
Net cash (used for) provided by financing activities			62	4,607
Decrease in cash and cash equivalents			0	0
Cash at beginning of period			0	0
Cash at end of period	$ 0	$ 0	$ 0	$ 0

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Tax Credits (Details) $ in Millions	3 Months Ended
	Sep. 30, 2017 USD ($)
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	$ 2.4