10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

Form 10-Q

(Mark One)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2016

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 is 000-4197

UNITED STATES LIME & MINERALS, INC.

(Exact name of registrant as specified in its charter)

TEXAS	75-0789226
(State or other jurisdiction of	(I.R.S. Employer
incorporation or organization)	Identification No.)

5429 LBJ Freeway, Suite 230, Dallas, TX	75240
(Address of principal executive offices)	(Zip Code)

(972) 991-8400

(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  ☒  No  ☐

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

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

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

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

Indicate the number of shares outstanding of each of the Registrant’s classes of common stock, as of the latest practicable date:  As of July 28, 2016, 5,564,634 shares of common stock, $0.10 par value, were outstanding.

PART I. FINANCIAL INFORMATION

ITEM 1: FINANCIAL STATEMENTS

UNITED STATES LIME & MINERALS, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(dollars in thousands)

(Unaudited)

	June 30,		December 31,
	2016		2015
ASSETS
Current assets
Cash and cash equivalents	$	62,958	$	59,926
Trade receivables, net		17,405		15,889
Inventories, net		13,490		14,728
Prepaid expenses and other current assets		869		1,418
Total current assets		94,722		91,961
Property, plant and equipment
Property, plant and equipment		277,463		271,686
Less accumulated depreciation and depletion		(174,136)		(167,308)
Property, plant and equipment, net		103,327		104,378
Other assets, net		151		160
Total assets	$	198,200	$	196,499
LIABILITES AND STOCKHOLDERS’ EQUITY
Current liabilities
Accounts payable	$	3,916	$	6,022
Accrued expenses		2,305		2,720
Total current liabilities		6,221		8,742
Deferred tax liabilities, net		19,280		19,184
Other liabilities		1,889		1,946
Total liabilities		27,390		29,872
Stockholders’ equity
Common stock		656		655
Additional paid-in capital		22,280		21,642
Retained earnings		201,160		194,798
Less treasury stock, at cost		(53,286)		(50,468)
Total stockholders’ equity		170,810		166,627
Total liabilities and stockholders’ equity	$	198,200	$	196,499

See accompanying notes to condensed consolidated financial statements.

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UNITED STATES LIME & MINERALS, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(dollars in thousands, except per share data)

(Unaudited)

	Three Months Ended June 30,								Six Months Ended June 30,
	2016				2015				2016				2015
Revenues
Lime and limestone operations	$	32,376	98.5	%	$	31,779	97.9	%	$	65,530	98.6	%	$	61,141	97.8	%
Natural gas interests		504	1.5	%		671	2.1	%		936	1.4	%		1,373	2.2	%
		32,880	100.0	%		32,450	100.0	%		66,466	100.0	%		62,514	100.0	%
Cost of revenues
Labor and other operating expenses		21,710	66.0	%		21,552	66.4	%		43,539	65.5	%		41,868	67.0	%
Depreciation, depletion and amortization		3,929	12.0	%		3,885	12.0	%		7,838	11.8	%		7,769	12.4	%
		25,639	78.0	%		25,437	78.4	%		51,377	77.3	%		49,637	79.4	%
Gross profit		7,241	22.0	%		7,013	21.6	%		15,089	22.7	%		12,877	20.6	%
Selling, general and administrative expenses		2,331	7.0	%		2,400	7.4	%		4,731	7.1	%		4,799	7.7	%
Operating profit		4,910	15.0	%		4,613	14.2	%		10,358	15.6	%		8,078	12.9	%
Other expense (income)
Interest expense		63	0.2	%		590	1.8	%		122	0.2	%		912	1.5	%
Other (income) expense, net		(80)	(0.2)	%		712	2.2	%		(123)	(0.2)	%		705	1.1	%
		(17)	0.0	%		1,302	4.0	%		(1)	0.0	%		1,617	2.6	%
Income before income taxes		4,927	15.0	%		3,311	10.2	%		10,359	15.6	%		6,461	10.3	%
Income tax expense		1,240	3.8	%		752	2.3	%		2,606	3.9	%		1,537	2.4	%
Net income	$	3,687	11.2	%	$	2,559	7.9	%	$	7,753	11.7	%	$	4,924	7.9	%
Net income per share of common stock
Basic	$	0.66			$	0.46			$	1.39			$	0.88
Diluted	$	0.66			$	0.46			$	1.39			$	0.88
Cash dividends per share of common stock	$	0.125			$	0.125			$	0.25			$	0.25

See accompanying notes to condensed consolidated financial statements.

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UNITED STATES LIME & MINERALS, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(dollars in thousands)

(Unaudited)

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
Net income	$	3,687	$	2,559	$	7,753	$	4,924
Other comprehensive income
Mark to market of interest rate hedges, net of tax expense of $176 and $241 for the three- and six-month periods 2015, respectively		—		309		—		422
Minimum pension liability adjustments, net of tax expense of $344 for each of the three- and six-month periods 2015		—		602		—		602
Total other comprehensive income		—		911		—		1,024
Comprehensive income	$	3,687	$	3,470	$	7,753	$	5,948

See accompanying notes to condensed consolidated financial statements.

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UNITED STATES LIME & MINERALS, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(dollars in thousands)

(Unaudited)

	Six Months Ended June 30,
	2016		2015
OPERATING ACTIVITIES:
Net income	$	7,753	$	4,924
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization		7,984		7,885
Amortization of deferred financing costs		6		23
Deferred income taxes		96		(228)
Loss (gain) on sale of property, plant and equipment		31		(111)
Stock-based compensation		485		575
Changes in operating assets and liabilities:
Trade receivables, net		(1,516)		717
Inventories, net		1,238		(201)
Prepaid expenses and other current assets		549		1,197
Other assets		3		(18)
Accounts payable and accrued expenses		(1,612)		(1,616)
Other liabilities		(100)		630
Net cash provided by operating activities		14,917		13,777
INVESTING ACTIVITIES:
Purchase of property, plant and equipment		(7,900)		(6,310)
Proceeds from sale of property, plant and equipment		70		199
Net cash used in investing activities		(7,830)		(6,111)
FINANCING ACTIVITIES:
Repayments of term loans		—		(16,667)
Cash dividends paid		(1,391)		(1,399)
Proceeds from exercise of stock options		154		—
Purchase of treasury shares		(2,818)		(158)
Net cash used in financing activities		(4,055)		(18,224)
Net increase (decrease) in cash and cash equivalents		3,032		(10,558)
Cash and cash equivalents at beginning of period		59,926		58,332
Cash and cash equivalents at end of period	$	62,958	$	47,774

See accompanying notes to condensed consolidated financial statements.

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UNITED STATES LIME & MINERALS, INC. AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements

(Unaudited)

1.    Basis of Presentation

The condensed consolidated financial statements included herein have been prepared by United States Lime & Minerals, Inc. (the “Company”) without independent audit.  In the opinion of the Company’s management, all adjustments of a normal and recurring nature necessary to present fairly the financial position, results of operations, comprehensive income and cash flows for the periods presented have been made.  Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“US GAAP”) have been condensed or omitted.  These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the period ended December 31, 2015.  The results of operations for the three- and six-month periods ended June 30, 2016 are not necessarily indicative of operating results for the full year.

2.    Organization

The Company is headquartered in Dallas, Texas, and operates through two business segments.  Through its Lime and Limestone Operations, the Company is a manufacturer of lime and limestone products, supplying primarily the construction (including highway, road and building contractors), environmental (including municipal sanitation and water treatment facilities and flue gas treatment processes), industrial (including paper and glass manufacturers), metals (including steel producers), roof shingle, oil and gas services and agriculture (including poultry and cattle feed producers) industries.  The Company operates lime and limestone plants and distribution facilities in Arkansas, Colorado, Louisiana, Oklahoma and Texas through its wholly owned subsidiaries, Arkansas Lime Company, Colorado Lime Company, Texas Lime Company, U.S. Lime Company, U.S. Lime Company – Shreveport, U.S. Lime Company – St. Clair and U.S. Lime Company – Transportation.

The Company’s Natural Gas Interests segment is held in its wholly owned subsidiary, U.S. Lime Company – O & G, LLC (“U.S. Lime O & G”).  Under a lease agreement (the “O & G Lease”), U.S. Lime O & G has royalty interests ranging from 15.4% to 20% and a 20% non-operating working interest, resulting in an overall average revenue interest of 34.7%, with respect to oil and gas rights in 33 wells drilled and currently producing on the Company’s approximately 3,800 acres of land located in Johnson County, Texas, in the Barnett Shale Formation. Through U. S. Lime O & G, the Company also has a drillsite and production facility lease agreement and subsurface easement (the “Drillsite Agreement”) relating to approximately 538 acres of land contiguous to the Company’s Johnson County, Texas property.  Pursuant to the Drillsite Agreement, the Company receives a 3% royalty interest and a 12.5% non-operating working interest, resulting in a 12.4% revenue interest, in the six wells drilled and currently producing from pad sites located on the Company’s property.

3.    Accounting Policies

Revenue Recognition.  The Company recognizes revenue for its Lime and Limestone Operations in accordance with the terms of its purchase orders, contracts or purchase agreements, which are generally upon shipment, and when payment is considered probable. Revenues include external freight billed to customers with related costs in cost of revenues.  The Company’s returns and allowances are minimal.  External freight billed to customers included in 2016 and 2015 revenues was $6.7 million and $6.3 million for the three-month periods, and $12.3 million and $11.5 million for the six-month periods, respectively, which approximates the amount of external freight included in cost of revenues. Sales taxes billed to customers are not included in revenues.  For its Natural Gas Interests, the Company recognizes revenue in the month of production and delivery.

Successful-Efforts Method Used for Natural Gas Interests.  The Company uses the successful-efforts method to account for oil and gas exploration and development expenditures.  Under this method, drilling, completion and workover costs for successful exploratory wells and all development well costs are capitalized and depleted using the units-of-production method.  Costs to drill exploratory wells that do not find proved reserves are expensed.

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Comprehensive Income.  Accounting principles generally require that recognized revenue, expenses, gains and losses be included in net income.  Certain changes in assets and liabilities, such as mark-to-market gains or losses of interest rate hedges and minimum pension liability adjustments, are reported as a separate component of the equity section of the balance sheet.  Such items, along with net income, are components of comprehensive income.

Fair Values of Financial Instruments.  Fair value is defined as “the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date.”  The Company uses a three-tier fair value hierarchy, which classifies the inputs used in measuring fair values, in determining the fair value of its financial assets and liabilities.  These tiers include:  Level 1, defined as observable inputs such as quoted prices for identical instruments in active markets; Level 2, defined as observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.  There were no changes in the methods and assumptions used in measuring fair value.

New Accounting Pronouncements.  In February 2016, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) 2016-02, Leases (Topic 842) (“ASU 2016-02”), in order to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet for many leases classified as operating leases under previous US GAAP.  ASU 2016-02 requires that a lessee should recognize a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term on the balance sheet.  ASU 2016-02 is effective for fiscal years beginning after December 15, 2018 (including interim periods within those fiscal years) and early adoption is permitted.  The Company is currently evaluating the impact of adoption of ASU 2016-02 on its consolidated financial statements.

In March 2016, the FASB issued ASU 2016-09, Improvements to Employee Share-Based Payment Accounting (Topic 718) (“ASU 2016-09”).  ASU 2016-09 simplifies several aspects of the accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities and classification on the statement of cash flows.  ASU 2016-09 is effective for fiscal years beginning after December 15, 2016 (including interim periods within those fiscal years) and early adoption is permitted.  The Company is currently evaluating the impact of adoption of ASU 2016-09 on its consolidated financial statements.

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4.   Business Segments

The Company has identified two business segments based on the distinctness of their activities and products:  Lime and Limestone Operations and Natural Gas Interests.  All operations are in the United States.  In evaluating the operating results of the Company’s segments, management primarily reviews revenues and gross profit.  The Company does not allocate corporate overhead or interest costs to its business segments.

The following table sets forth operating results and certain other financial data for the Company’s two business segments (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
Revenues	2016		2015		2016		2015
Lime and limestone operations	$	32,376	$	31,779	$	65,530	$	61,141
Natural gas interests		504		671		936		1,373
Total revenues	$	32,880	$	32,450	$	66,466	$	62,514
Depreciation, depletion and amortization
Lime and limestone operations	$	3,738	$	3,697	$	7,452	$	7,389
Natural gas interests		191		188		386		380
Total depreciation, depletion and amortization	$	3,929	$	3,885	$	7,838	$	7,769
Gross profit
Lime and limestone operations	$	7,245	$	6,809	$	15,174	$	12,506
Natural gas interests		(4)		204		(85)		371
Total gross profit	$	7,241	$	7,013	$	15,089	$	12,877
Capital expenditures
Lime and limestone operations	$	3,966	$	2,883	$	7,896	$	6,303
Natural gas interests		—		3		4		7
Total capital expenditures	$	3,966	$	2,886	$	7,900	$	6,310

5.    Income Per Share of Common Stock

The following table sets forth the computation of basic and diluted income per common share (in thousands, except per share amounts):

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
Net income for basic and diluted income per common share	$	3,687	$	2,559	$	7,753	$	4,924
Weighted-average shares for basic income per common share		5,565		5,599		5,571		5,598
Effect of dilutive securities:
Employee and director stock options(1)		3		6		3		7
Adjusted weighted-average shares and assumed exercises for diluted income per common share		5,568		5,605		5,574		5,605
Basic net income per common share	$	0.66	$	0.46	$	1.39	$	0.88
Diluted net income per common share	$	0.66	$	0.46	$	1.39	$	0.88

(1) Excludes 32.4 and 33.6 stock options for the three- and six-month periods 2016, respectively, and 17.4 stock options for each of the 2015 periods as anti-dilutive because the exercise price exceeded the average per share market price for the periods presented.

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6.    Accumulated Other Comprehensive Loss

The following table presents the components of comprehensive income (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
Net income	$	3,687	$	2,559	$	7,753	$	4,924
Minimum pension liability adjustments		—		946		—		946
Reclassification to interest expense		—		487		—		678
Deferred income tax expense		—		(520)		—		(585)
Mark to market of interest rate hedges		—		(2)		—		(15)
Comprehensive income	$	3,687	$	3,470	$	7,753	$	5,948

Amounts reclassified to interest expense were for payments made by the Company pursuant to the Company’s interest rate hedges in 2015.

7.    Inventories, Net

Inventories are valued principally at the lower of cost, determined using the average cost method, or market.  Costs for raw materials and finished goods include materials, labor, and production overhead.  Inventories, net consisted of the following (in thousands):

	June 30,		December 31,
	2016		2015
Lime and limestone inventories:
Raw materials	$	5,617	$	6,627
Finished goods		1,810		2,049
	$	7,427	$	8,676
Service parts inventories		6,063		6,052
	$	13,490	$	14,728

8.    Banking Facilities and Debt

On May 7, 2015, the Company amended its credit agreement with Wells Fargo Bank, N.A. (the “Lender”) to, among other things, provide for a $75 million revolving credit facility (the “New Revolving Facility”) and reduce the interest rate margins and commitment fees (the “Amendment”).  The Amendment also provides for an incremental four-year accordion feature to borrow up to an additional $50 million on the same terms, subject to approval by the Lender or another lender selected by the Company. The terms of the Amendment provide for a final maturity of the New Revolving Facility and any incremental loan on May 7, 2020; interest rates, at the Company’s option, of LIBOR plus a margin of 1.000% to 2.000% or the Lender’s Prime Rate plus a margin of 0.000% to plus 1.000%; and a commitment fee range of 0.200% to 0.350% on the undrawn portion of the New Revolving Facility.  The New Revolving Facility interest rate margins and commitment fee are determined quarterly in accordance with a pricing grid based upon the Company’s Cash Flow Leverage Ratio, defined as the ratio of the Company’s total funded senior indebtedness to earnings before interest, taxes, depreciation, depletion, amortization and stock-based compensation expense (“EBITDA”) for the 12 months ended on the last day of the most recent calendar quarter, plus pro forma EBITDA from any businesses acquired during the period.  Pursuant to a security agreement, dated August 25, 2004, the New Revolving Facility is secured by the Company’s existing and hereafter acquired tangible assets, intangible assets and real property. The maturity of the New Revolving Facility and any incremental loans can be accelerated if any event of default, as defined under the credit agreement, occurs.

The Company may pay dividends so long as it remains in compliance with the provisions of the Company’s credit agreement, and may purchase, redeem or otherwise acquire shares of its common stock so long as its pro forma Cash Flow Leverage Ratio is less than 3.00 to 1.00 and no default or event of default exists or would exist after giving effect to such stock repurchase.

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Prior to the Amendment, the Company’s credit agreement had included a ten-year $40 million term loan (the “Term Loan”), a ten-year $20 million multiple draw term loan (the “Draw Term Loan”) and a $30 million revolving credit facility (the “Revolving Facility”) (collectively, the “Credit Facilities”).  The Term Loan required quarterly principal payments of $0.8 million, with a final principal payment of $7.5 million due on December 31, 2015.  The Draw Term Loan required quarterly principal payments of $0.4 million, with a final principal payment of $5.4 million due on December 31, 2015.  The Revolving Facility was scheduled to mature on June 1, 2015. The maturity of the Term Loan, the Draw Term Loan and the Revolving Facility could have been accelerated if any event of default, as defined under the Credit Facilities, had occurred.

The Company had interest rate hedges, with the Lender as the counterparty to the hedges, that fixed LIBOR through maturity at 4.695%, 4.875% and 5.500% on the outstanding balance of the Term Loan, 75% of the outstanding balance of the Draw Term Loan and 25% of the outstanding balance of the Draw Term Loan, respectively. As discussed below, the Company repurchased these hedges during the second quarter 2015.  Based on the LIBOR margin of 1.750% prior to the Amendment, the Company’s interest rates had been: 6.445% on the outstanding balance of the Term Loan; 6.625% on 75% of the outstanding balance of the Draw Term Loan; and 7.250% on 25% of the outstanding balance of the Draw Term Loan.

The hedges had been effective as defined under applicable accounting rules.  Therefore, changes in fair value of the hedges were reflected in comprehensive income.  The Company would have been exposed to credit losses in the event of non-performance by the counterparty to the hedges.  The Company paid $0.2 million in quarterly settlement payments pursuant to its hedges during the first quarter 2015. These payments were included in interest expense in the Condensed Consolidated Statements of Operations.

On May 7, 2015, the Company paid off the $15.4 million balance then outstanding on the Term Loan and Draw Term Loan, as well as paid $0.5 million to repurchase the related hedges, from cash on hand.  The cost to repurchase the hedges was included in interest expense in the second quarter 2015.

The Company had letters of credit totaling $0.7 million issued on the New Revolving Facility at June 30, 2016, but no draws.

9.    Income Taxes

The Company has estimated that its effective income tax rate for 2016 will be approximately 25.2%.  As in prior periods, the primary reason for the effective rate being below the federal statutory rate is due to statutory depletion, which is allowed for income tax purposes and is a permanent difference between net income for financial reporting purposes and taxable income.

10.    Dividends and Share Repurchases

On June 17, 2016, the Company paid $0.7 million in cash dividends, based on a dividend of $0.125 (12.5 cents) per share on its common stock, to shareholders of record at the close of business on May 27, 2016.  On March 18, 2016, the Company paid $0.7 million in cash dividends, based on a dividend of $0.125 (12.5 cents) per share on its common stock, to shareholders of record at the close of business on February 26, 2016.   

In December 2015, the Company commenced a publicly announced share repurchase program to purchase up to $10 million of its common stock.  Pursuant to that program, the Company repurchased 50,068 shares in the first quarter 2016 at a weighted-average price of $53.52 per share.  No shares were repurchased during the second quarter.  Since the commencement of the share repurchase program through June 30, 2016, the Company has repurchased 53,154 shares at a weighted-average price of $53.59 per share. 

11.    Employee Retirement Plan

During the second quarter 2015, after receipt of a favorable determination letter from the Internal Revenue Service, the Company terminated a noncontributory defined benefit plan that, prior to the termination, covered

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substantially all of the union employees previously employed by its wholly owned subsidiary, Corson Lime Company (the “Corson Plan”).  In 1997, the Company sold substantially all of the assets of Corson Lime Company, and the benefits for participants in the Corson Plan were frozen.  As a result of the termination of the Corson Plan, the Company made a cash payment of $0.2 million and recognized a second quarter 2015 expense of $0.9 million ($0.6 million, net of tax benefit), included in Other (income) expense, net, that was previously included in Accumulated other comprehensive loss.

The following table sets forth the Pre-Settlement, Settlement and Post-Settlement as of June 30, 2015 (in thousands):

	June 30, 2015
	Pre-Settlement		Settlement		Post-Settlement
Projected benefit obligation	$	2,039	$	(2,039)	$	—
Fair value of plan assets		2,039		(2,039)		—
Underfunded status	$	—	$	—	$	—

12.    Subsequent Events

On July 28, 2016, the Company’s Board of Directors declared a regular quarterly cash dividend of $0.125 (12.5 cents) per share on the Company’s common stock.  This dividend is payable on September 16, 2016 to shareholders of record at the close of business on August 26, 2016.

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ITEM 2:     MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Forward-Looking Statements.  Any statements contained in this Report that are not statements of historical fact are forward‑looking statements as defined in the Private Securities Litigation Reform Act of 1995. Forward‑looking statements in this Report, including without limitation statements relating to the Company’s plans, strategies, objectives, expectations, intentions, and adequacy of resources, are identified by such words as “will,” “could,” “should,” “would,” “believe,” “possible,” “potential,” “expect,” “intend,” “plan,” “schedule,” “estimate,” “anticipate,” and “project.” The Company undertakes no obligation to publicly update or revise any forward‑looking statements. The Company cautions that forward‑looking statements involve risks and uncertainties that could cause actual results to differ materially from expectations, including without limitation the following: (i) the Company’s plans, strategies, objectives, expectations, and intentions are subject to change at any time at the Company’s discretion; (ii) the Company’s plans and results of operations will be affected by its ability to maintain and increase its revenues and manage its growth; (iii) the Company’s ability to meet short‑term and long‑term liquidity demands, including meeting the Company’s operating and capital needs, including for possible modernization and expansion and development projects and acquisitions, repurchasing the Company’s common stock and paying dividends, conditions in the credit and equity markets, including the ability of the Company’s customers to meet their obligations; (iv) interruptions to operations and increased expenses at the Company’s facilities resulting from changes in mining methods or conditions, variability of chemical or physical properties of the Company’s limestone and its impact on process equipment and product quality, inclement weather conditions, natural disasters, accidents, IT systems failures or disruptions, including due to cybersecurity incidents, or regulatory requirements; (v) volatile coal, petroleum coke, diesel, natural gas, electricity, transportation and freight costs and the consistent availability of trucks and rail cars to deliver the Company’s products to its customers and solid fuels to its plants on a timely basis; (vi) unanticipated delays, technical feasibility issues or cost overruns in completing modernization and expansion and development projects; (vii) the Company’s ability to expand its Lime and Limestone Operations through acquisitions of businesses with related or similar operations, including obtaining financing for such acquisitions, and to successfully integrate acquired operations and sell any resulting increased production at acceptable prices; (viii) inadequate demand and/or prices for the Company’s lime and limestone products due to conditions in the U.S. economy, recessionary pressures in particular industries, including construction, steel, industrial and oil and gas services, reduced demand from utility plants, increased competition from competitors, effects of governmental fiscal and budgetary constraints, including the level of highway construction funding, and legislative impasses, and inability to continue to increase or maintain prices for the Company’s products; (ix) uncertainties of prices and regulations with respect to the Company’s Natural Gas Interests, including the absence of drilling activities on the Company’s O & G Properties, inability to explore for new reserves, unitization of existing wells, declines in production rates and plugging and abandoning of existing wells; (x) ongoing and possible new regulations, investigations, enforcement actions and costs, legal expenses, penalties, fines, assessments, litigation, judgments and settlements, taxes and disruptions and limitations of operations, including those related to climate change and health and safety and those that could impact the Company’s ability to continue or renew its operating permits or successfully secure new permits in connection with its modernization and expansion and development projects; and (xi) other risks and uncertainties set forth in this Report or indicated from time to time in the Company’s filings with the SEC including the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2015.

Overview.

The Company has two operating segments:  Lime and Limestone Operations and Natural Gas Interests.  Revenues and gross profit are the primary items utilized to evaluate the operating results of the Company’s segments and to allocate resources.

Through its Lime and Limestone Operations, the Company is a manufacturer of lime and limestone products, supplying primarily the construction (including highway, road and building contractors), environmental (including municipal sanitation and water treatment facilities and flue gas treatment processes), industrial (including paper and glass manufacturers), metals (including steel producers), roof shingle, oil and gas services  and agriculture (including poultry and cattle feed producers) industries.  The Company is headquartered in Dallas, Texas and operates lime and limestone plants and distribution facilities in Arkansas, Colorado, Louisiana, Oklahoma and Texas through its wholly owned subsidiaries, Arkansas Lime Company, Colorado Lime Company, Texas Lime Company, U.S. Lime Company, U.S.

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Lime Company – Shreveport, U.S. Lime Company – St. Clair and U.S. Lime Company – Transportation.  The Lime and Limestone Operations represent the Company’s principal business.

The Company’s Natural Gas Interests are held in its wholly owned subsidiary, U.S. Lime Company – O & G, LLC, and consist of royalty and non-operating working interests under the O & G Lease with EOG Resources, Inc. and the Drillsite Agreement with XTO Energy, Inc. related to the Company’s Johnson County, Texas property, located in the Barnett Shale Formation, on which Texas Lime Company conducts its lime and limestone operations.

Revenues from the Company’s Lime and Limestone Operations increased 1.9% and 7.2% in the second quarter and first six months 2016, respectively, as compared to last year’s comparable periods, primarily because of increased sales volumes of approximately 2.0% and 6.6%, respectively, for the Company’s lime and limestone products.  The Company’s increased sales volume in the 2016 periods, as compared to last year’s periods, resulted primarily from increased demand, principally from its construction customers, partially offset by reduced demand from its oil and gas services customers.  In both the 2016 and 2015 second quarters, demand from the Company’s construction customers was adversely impacted due to numerous days of rainfall in each of the quarters.  Average product prices realized for the Company’s lime and limestone products decreased approximately 0.1% in the second quarter compared to the comparable prior year quarter and increased approximately 0.6% in the first six months 2016, compared to the comparable 2015 period.  Although demand from the Company’s construction customers continued to increase, demand and pricing from its other customers remain a challenge.

The Company’s gross profit from its Lime and Limestone Operations increased by 6.4% and 21.3% in the second quarter and the first six months 2016, respectively, compared to the comparable 2015 periods.  The increased gross profit for the Company’s Lime and Limestone Operations in the 2016 periods resulted primarily from the increased revenues discussed above. 

Revenues from the Company’s Natural Gas Interests decreased 24.9% and 31.8% in the second quarter and the first six months 2016, respectively, compared to the comparable 2015 periods, resulting from lower natural gas and natural gas liquids prices (approximately 12.3% and 20.4%, respectively) and decreased production volumes resulting from the normal declines in production rates on the Company’s 39 existing natural gas wells (approximately 12.6% and 11.4%, respectively).  The Company’s gross profit from its Natural Gas Interests decreased to losses of $4 thousand and $0.1 million in the second quarter and first six months 2016, respectively, from profits of $0.2 million and $0.4 million, respectively, in the comparable 2015 periods and an increase in the rate at which non-cash depletion expense was recorded in the 2016 periods.

In December 2015, the Company commenced a publicly announced share repurchase program to purchase up to $10 million of its common stock.  Pursuant to that program, the Company repurchased 50,068 shares in the first quarter 2016 at a weighted-average price of $53.52 per share.  No shares were repurchased during the second quarter.  Since the commencement of the share repurchase program through the date of this Report, the Company has repurchased 53,154 shares at a weighted-average price of $53.59 per share.

The Company paid its regular quarterly cash dividend of $0.125 (12.5 cents) per share on its common stock in each of the first two quarters 2016 and 2015.  On July 28, 2016, the Company’s Board of Directors declared a regular quarterly cash dividend of $0.125 (12.5 cents) per share on the Company’s common stock.  This dividend is payable on September 16, 2016 to shareholders of record at the close of business on August 26, 2016.

Liquidity and Capital Resources.

Net cash provided by operating activities was $14.9 million in the first six months 2016, compared to $13.8 million in the comparable 2015 period, an increase of $1.1 million, or 8.3%.  Net cash provided by operating activities is composed of net income, depreciation, depletion and amortization (“DD&A”), deferred income taxes and other non-cash items included in net income, and changes in working capital.  In the first six months 2016, cash provided by operating activities was principally composed of $7.8 million net income and $8.0 million DD&A, compared to $4.9 million net income and $7.9 million DD&A in the first six months 2015.  The most significant changes in working capital items in the first six months 2016 were a decrease in inventories, net of $1.2 million, an increase in trade receivables, net of $1.5

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million and a decrease in accounts payable and accrued expenses of $1.6 million.  The most significant changes in working capital items in the first six months 2015 were decreases in trade receivables, net, prepaid expenses and other current assets, and accounts payable and accrued expenses of $0.7 million, $1.2 million and $1.6 million, respectively.  The increase in trade receivables, net in the 2016 first six months primarily resulted from increased revenues in the second quarter 2016, compared to the fourth quarter 2015, while the decrease in trade receivables, net in the 2015 first six months resulted primarily from decreased revenues in the second quarter 2015, compared to the fourth quarter 2014.

The Company had $7.9 million in capital expenditures in the first six months 2016, compared to $6.3 million in the comparable period last year.

Net cash used in financing activities was $4.1 million and $18.2 million in the 2016 and 2015 first six months, respectively, consisting primarily of purchase of treasury shares of $2.8 million and $0.2 million in the first six months 2016 and 2015, respectively, and repayment of $16.7 million of term loan debt in the first six months 2015. Additionally, the Company paid $1.4 million in dividends during the first six months of each of 2016 and 2015.  Cash and cash equivalents increased $3.0 million to $63.0 million at June 30, 2016 from $59.9 million at December 31, 2015.

On May 7, 2015, the Company amended its credit agreement with Wells Fargo Bank, N.A. (the “Lender”) to, among other things, provide for a $75 million revolving credit facility (the “New Revolving Facility”) and reduce the interest rate margins and commitment fees (the “Amendment”).   The Amendment also provides for an incremental four-year accordion feature to borrow up to an additional $50 million on the same terms, subject to approval by the Lender or another lender selected by the Company.  The terms of the Amendment provide for a final maturity of the New Revolving Facility and any incremental loan on May 7, 2020; interest rates, at the Company’s option, of LIBOR plus a margin of 1.000% to 2.000% or the Lender’s Prime Rate plus a margin of 0.000% to plus 1.000%; and a commitment fee range of 0.200% to 0.350% on the undrawn portion of the New Revolving Facility.  The New Revolving Facility interest rate margins and commitment fee are determined quarterly in accordance with a pricing grid based upon the Company’s Cash Flow Leverage Ratio, defined as the ratio of the Company’s total funded senior indebtedness to earnings before interest, taxes, depreciation, depletion, amortization and stock-based compensation expense (“EBITDA”) for the 12 months ended on the last day of the most recent calendar quarter, plus pro forma EBITDA from any businesses acquired during the period.  Pursuant to a security agreement, dated August 25, 2004, the New Revolving Facility is secured by the Company’s existing and hereafter acquired tangible assets, intangible assets and real property.  The maturity of the New Revolving Facility and any incremental loans can be accelerated if any event of default, as defined under the credit agreement, occurs.

The Company may pay dividends so long as it remains in compliance with the provisions of the Company’s credit agreement, and may purchase, redeem or otherwise acquire shares of its common stock so long as its pro forma Cash Flow Leverage Ratio is less than 3.00 to 1.00 and no default or event of default exists or would exist after giving effect to such stock repurchase.

Prior to the Amendment, the Company’s credit agreement had included a ten-year $40 million term loan (the “Term Loan”), a ten-year $20 million multiple draw term loan (the “Draw Term Loan”) and a $30 million revolving credit facility (the “Revolving Facility”) (collectively, the “Credit Facilities”).  The Term Loan required quarterly principal payments of $0.8 million, with a final principal payment of $7.5 million due on December 31, 2015.  The Draw Term Loan required quarterly principal payments of $0.4 million, with a final principal payment of $5.4 million due on December 31, 2015.  The Revolving Facility was scheduled to mature on June 1, 2015.  The maturity of the Term Loan, the Draw Term Loan and the Revolving Facility could have been accelerated if any event of default, as defined under the Credit Facilities, had occurred.

The Company had interest rate hedges, with the Lender as the counterparty to the hedges, that fixed LIBOR through maturity at 4.695%, 4.875% and 5.500% on the outstanding balance of the Term Loan, 75% of the outstanding balance of the Draw Term Loan and 25% of the outstanding balance of the Draw Term Loan, respectively.  As discussed below, the Company repurchased these hedges during the second quarter 2015.   Based on the LIBOR margin of 1.750% prior to the Amendment, the Company’s interest rates had been: 6.445% on the outstanding balance of the Term Loan; 6.625% on 75% of the outstanding balance of the Draw Term Loan; and 7.250% on 25% of the outstanding balance of the Draw Term Loan.

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The hedges had been effective as defined under applicable accounting rules.  Therefore, changes in fair value of the hedges were reflected in comprehensive income.  The Company would have been exposed to credit losses in the event of non-performance by the counterparty to the hedges.   The Company paid $0.2 million in quarterly settlement payments pursuant to its hedges during the first quarter 2015.  These payments were included in interest expense in the Condensed Consolidated Statements of Operations.

On May 7, 2015, the Company paid off the $15.4 million balance then outstanding on the Term Loan and Draw Term Loan, as well as paid $0.5 million to repurchase the related hedges, from cash on hand.  The cost to repurchase the hedges was included in interest expense in the second quarter 2015.

The Company is not contractually committed to any planned capital expenditures for its Lime and Limestone Operations until actual orders are placed for equipment.  As of June 30, 2016, the Company had no material open orders or commitments that are not included in current liabilities on the June 30, 2016 Condensed Consolidated Balance Sheet.

As of June 30, 2016, the Company had no debt outstanding and no draws on the New Revolving Facility other than $0.7 million of letters of credit.  The Company believes that cash on hand and cash flows from operations will be sufficient to meet the Company’s operating needs, ongoing capital needs, including possible modernization and expansion and development projects, and other liquidity needs and allow it to repurchase its common stock under its publicly announced share repurchase program as well as pay cash dividends for the near future.

Results of Operations.

Revenues in the second quarter 2016 were $32.9 million, compared to $32.5 million in the comparable prior year quarter, an increase of $0.4 million, or 1.3%.  Revenues from the Company’s Lime and Limestone Operations in the second quarter 2016 increased $0.6 million, or 1.9%, to $32.4 million from $31.8 million in the comparable 2015 quarter, while revenues from its Natural Gas Interests decreased $0.2 million, or 24.9%, to $0.5 million from $0.7 million in the comparable prior year quarter.  In the first six months 2016, revenues were $66.5 million, compared to $62.5 million in the comparable 2015 period, an increase of $4.0 million, or 6.3%.   Revenues from the Company’s Lime and Limestone Operations in the first six months 2016 increased $4.4 million, or 7.2%, to $65.5 million from $61.1 million in the comparable 2015 period, while revenues from its Natural Gas Interests decreased $0.4 million, or 31.8%, to $0.9 million from $1.4 million in the comparable prior year period.

As discussed above, the increases in Lime and Limestone Operations revenues in the second quarter and first six months 2016 as compared to last year’s comparable periods resulted primarily from increased sales volumes of the Company’s lime and limestone products, partially offset by a slight decrease in prices realized for the Company’s lime and limestone products in the second quarter 2016, compared to the second quarter 2015, with a slight increase in prices in the first six months 2016, compared to the first six months 2015. 

Production volumes from the Company’s Natural Gas Interests in the second quarter 2016 totaled 157 thousand MCF, sold at an average price of $3.21 per MCF, compared to 183 thousand MCF, sold at an average price of $3.66 per MCF, in the comparable 2015 quarter.  Production volumes in the first six months 2016 from Natural Gas Interests totaled 318 thousand MCF, sold at an average price of $2.95 per MCF, compared to the first six months 2015 when 371 thousand MCF was produced and sold at an average price of $3.70 per MCF.  The Company’s 2016 average prices per MCF were lower than the prior year’s average prices primarily due to decreases in natural gas and natural gas liquids prices.

The Company’s gross profit was $7.2 million in the second quarter 2016, compared to $7.0 million in the comparable 2015 quarter, an increase of $0.2 million, or 3.3%. Gross profit in the first six months 2016 was $15.1 million, an increase of $2.2 million, or 17.2%, from $12.9 million in the first six months 2015. 

Included in gross profit in the second quarter and first six months 2016 were $7.2 million and $15.2 million, respectively, from the Company’s Lime and Limestone Operations, compared to $6.8 million and $12.5 million, respectively, in the comparable 2015 periods.  The Company’s gross profit margin as a percent of revenues from its

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Lime and Limestone Operations increased to 22.4% and 23.2% in the second quarter and first six months 2016, respectively, from 21.4% and 20.5% in the second quarter and first six months 2015, respectively. The increased gross profit and gross profit margin for the Company’s Lime and Limestone Operations in the 2016 periods resulted primarily from the increases in revenues discussed above.

Gross profit from the Company’s Natural Gas Interests decreased to losses of $4 thousand and $0.1 million in the second quarter and first six months 2016, respectively, from profits of $0.2 million and $0.4 million, respectively, in the comparable 2015 periods.  The decreased gross profit for the Company’s Natural Gas Interests resulted primarily from the decrease in revenues discussed above and an increase in the rate at which non-cash depletion expense was recorded in the 2016 periods.

Selling, general and administrative expenses (“SG&A”) were $2.3 million and $4.7 million in the second quarter and first six months 2016, respectively, compared to $2.4 million and $4.8 million in the second quarter and first six months 2015, respectively.  As a percentage of revenues, SG&A decreased to 7.0% and 7.1 % in the second quarter and first six months 2016, respectively, compared to 7.4% and 7.7%, in the second quarter and first six months 2015, respectively.  The 2016 decreases in SG&A as a percentage of revenues were due principally to the increases in revenues in the 2016 periods, compared to the comparable 2015 periods.

Interest expense in the second quarter 2016 decreased $0.5 million, or 89.3%, to $0.1 million from $0.6 million in the second quarter 2015.  Interest expense decreased $0.8 million, or 86.6%, in the first six months 2016 to $0.1 million from $0.9 million in the first six months 2015.  Interest expense in the 2016 periods decreased primarily as a result of the Company’s repayment of its term loans in May 2015and the Company’s repurchase of the related interest rate hedges in the second quarter 2015.  Interest expense for the first six months 2015 also included a quarterly settlement payment on the hedges of$0.2 million during the first quarter 2015.

Other (income) expense, net was $0.1 million income in each of the three- and six-month periods ended June 30, 2016, compared to $0.7 million expense in each of the three- and six-month periods ended June 30, 2015.  The expense in the 2015 periods was primarily due to the expense resulting from the termination of the Corson Plan during the second quarter 2015.  The termination of the Corson Plan required a cash payment of $0.2 million and resulted in an expense of $0.9 million ($0.6 million, net of tax benefit), included in other (income) expense, net for the three- and six- month periods ended June 30, 2015, that was previously included in accumulated other comprehensive loss.  See Notes 6 and 11 of Notes to Condensed Consolidated Financial Statements.  As a result of the termination of the Corson Plan, the Company will not have to make any further contribution to the Plan.

Income tax expense increased to $1.2 million in the second quarter 2016 from $0.8 million in the second quarter 2015, an increase of $0.5 million, or 64.9%.   In the first six months 2016, income tax expense increased to $2.6 million from $1.5 million in the comparable 2015 period, an increase of $1.1 million, or 69.6%.  The increase in income tax expense in 2016 was principally due to increases in the Company’s income before income taxes.

The Company’s net income was $3.7 million ($0.66 per share diluted) in the second quarter 2016, compared to net income of $2.6 million ($0.46 per share diluted) in the second quarter 2015, an increase of $1.1 million, or 44.1%.  Net income in the first six months 2016 was $7.8 million ($1.39 per share diluted), an increase of $2.8 million, or 57.5%, compared to the first six months 2015 net income of $4.9 million ($0.88 per share diluted).

ITEM 3:     QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Interest Rate Risk.

The Company would be exposed to changes in interest rates, primarily as a result of floating interest rates on the New Revolving Facility.  There was no outstanding balance on the New Revolving Facility subject to interest rate risk at June 30, 2016.  Any future borrowings under the New Revolving Facility would be subject to interest rate risk.  See Note 8 of Notes to Condensed Consolidated Financial Statements.

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ITEM 4:     CONTROLS AND PROCEDURES

The Company’s management, with the participation of the Company’s Chief Executive Officer (“CEO”) and Chief Financial Officer (“CFO”), evaluated the effectiveness of the Company’s disclosure controls and procedures as of the end of the period covered by this Report.  Based upon that evaluation, the CEO and CFO concluded that the Company’s disclosure controls and procedures as of the end of the period covered by this Report were effective.

No change in the Company’s internal control over financial reporting occurred during the Company’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

PART II.OTHER INFORMATION

ITEM 2:     UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

In December 2015, the Company commenced a publicly announced share repurchase program to repurchase up to $10 million of its common stock.  The following table sets forth, for the periods indicated, the Company’s share repurchase activity under the program:

				Total Number of
				Shares Purchased	Maximum
				as Part of Publicly	Remaining
Period	Total Number of Shares Purchased	Average Price Paid Per Share		Announced Program	Amount Available Under the Program
April 1 – 30, 2016	—	$	—	—	$	7,151,226
May 1 – 31, 2016	—		—	—		7,151,226
June 1 – 30, 2016	—		—	—		7,151,226
Total	—	$	—	—	$	7,151,226

In addition, the Company’s Amended and Restated 2001 Long-Term Incentive Plan allows employees and directors to pay the exercise price for stock options and the tax withholding liability upon the lapse of restrictions on restricted stock by payment in cash and/or delivery of shares of the Company’s common stock.  In the second quarter 2016, pursuant to these provisions, the Company repurchased 1,435 shares at a price of $58.99 per share, the fair market value of one share of the Company’s common stock on the date that they were tendered to the Company for payment of tax withholding liability upon the lapse of restrictions on restricted stock.

ITEM 4:    MINE SAFETY DISCLOSURES

Under Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act and Item 104 of SEC Regulation S-K, each operator of a coal or other mine is required to include disclosures regarding certain mine safety results in its periodic reports filed with the SEC.  The operation of the Company’s quarries, underground mine and plants is subject to regulation by the federal Mine Safety and Health Administration (“MSHA”) under the Federal Mine Safety and Health Act of 1977.  The required information regarding certain mining safety and health matters, broken down by mining complex, for the quarter ended June 30, 2016 is presented in Exhibit 95.1 to this Report.

The Company believes it is responsible to employees to provide a safe and healthy workplace environment. The Company seeks to accomplish this by: training employees in safe work practices; openly communicating with employees; following safety standards and establishing and improving safe work practices; involving employees in safety processes; and recording, reporting and investigating accidents, incidents and losses to avoid reoccurrence.

Following passage of the Mine Improvement and New Emergency Response Act of 2006, MSHA significantly increased the enforcement of mining safety and health standards on all aspects of mining operations. There has also been an increase in the dollar penalties assessed for citations and orders issued in recent years.

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ITEM 6:    EXHIBITS

31.1	Rule 13a-14(a)/15d-14(a) Certification by the Chief Executive Officer.
31.2	Rule 13a-14(a)/15d-14(a) Certification by the Chief Financial Officer.
32.1	Section 1350 Certification by the Chief Executive Officer.
32.2	Section 1350 Certification by the Chief Financial Officer.
95.1	Mine Safety Disclosures.
101	Interactive Data Files.

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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.

	UNITED STATES LIME & MINERALS, INC.
July 29, 2016	By:	/s/ Timothy W. Byrne
		Timothy W. Byrne
		President and Chief Executive Officer
		(Principal Executive Officer)
July 29, 2016	By:	/s/ M. Michael Owens
		M. Michael Owens
		Vice President and Chief Financial Officer
		(Principal Financial and Accounting Officer)

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UNITED STATES LIME & MINERALS, INC.

Quarterly Report on Form 10-Q

Quarter Ended

June 30, 2016

Index to Exhibits

EXHIBIT
NUMBER	DESCRIPTION
31.1	Rule 13a-14(a)/15d-14(a) Certification by the Chief Executive Officer.
31.2	Rule 13a-14(a)/15d-14(a) Certification by the Chief Financial Officer.
32.1	Section 1350 Certification by the Chief Executive Officer.
32.2	Section 1350 Certification by the Chief Financial Officer.
95.1	Mine Safety Disclosures.
101	Interactive Data Files.

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EX-31.1

EXHIBIT 31.1

RULE 13a-14(a)/15d-14(a) CERTIFICATION BY THE CHIEF EXECUTIVE OFFICER

I, Timothy W. Byrne, certify that:

1.I have reviewed this quarterly report on Form 10-Q of United States Lime & Minerals, Inc.;

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

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

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

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

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

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

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

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

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

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

Dated: July 29, 2016	/s/ Timothy W. Byrne
	Timothy W. Byrne
	President and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

RULE 13a-14(a)/15d-14(a) CERTIFICATION BY THE CHIEF FINANCIAL OFFICER

I, M. Michael Owens, certify that:

1.I have reviewed this quarterly report on Form 10-Q of United States Lime & Minerals, Inc.;

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

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

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

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

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

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

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

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

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

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

Dated: July 29, 2016	/s/ M. Michael Owens
	M. Michael Owens
	Vice President and Chief Financial Officer

EX-32.1

EXHIBIT 32.1

SECTION 1350 CERTIFICATION BY THE CHIEF EXECUTIVE OFFICER

I, Timothy W. Byrne, Chief Executive Officer of United States Lime & Minerals, Inc. (the “Company”), hereby certify that, to my knowledge:

(1)The Company’s periodic report on Form 10-Q for the quarterly period ended June 30, 2016 (the “Form 10-Q”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2)The information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: July 29, 2016	/s/ Timothy W. Byrne
	Timothy W. Byrne
	President and Chief Executive Officer

EX-32.2

EXHIBIT 32.2

SECTION 1350 CERTIFICATION BY THE CHIEF FINANCIAL OFFICER

I, M. Michael Owens, Chief Financial Officer of United States Lime & Minerals, Inc. (the “Company”), hereby certify that, to my knowledge:

(1)The Company’s periodic report on Form 10-Q for the quarterly period ended June 30, 2016 (the “Form 10-Q”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2)The information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: July 29, 2016	/s/ M. Michael Owens
	M. Michael Owens
	Vice President and Chief Financial Officer

EX-95.1

EXHIBIT 95.1

MINE SAFETY DISCLOSURES 

The following disclosures are provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act and Item 104 of SEC Regulation S-K, which require certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

The Mine Act has been construed as authorizing MSHA to issue citations and orders pursuant to the legal doctrine of strict liability, or liability without fault. If, in the opinion of an MSHA inspector, a condition that violates the Mine Act or regulations promulgated pursuant to it exists, then a citation or order will be issued regardless of whether the operatorhad any knowledge of, or fault in, the existence of that condition. Many of the Mine Act standards include one or more subjective elements, so that issuance of a citation or order often depends on the opinions or experience of the MSHA inspector involved and the frequency and severity of citations and orders will vary from inspector to inspector.

Whenever MSHA believes that a violation of the Mine Act, any health or safety standard, or any regulation has occurred, it may issue a citation or order which describes the violation and fixes a time within which the operator must abate the violation. In some situations, such as when MSHA believes that conditions pose a hazard to miners, MSHA may issue an order requiring cessation of operations, or removal of miners from the area of the mine, affected by the condition until the hazards are corrected. Whenever MSHA issues a citation or order, it has authority to propose a civil penalty or fine, as a result of the violation, that the operator is ordered to pay.

The table that follows reflects citations, orders, violations and proposed assessments issued to the Company by MSHA during the quarter ended June 30, 2016 and all pending legal actions as of June 30, 2016. Due to timing and other factors, the data may not agree with the mine data retrieval system maintained by MSHA. The proposed assessments for the quarter ended June 30, 2016 were taken from the MSHA system as of July 28, 2016.

Additional information follows about MSHA references used in the table:

· Section 104(a) Citations: The total number of citations received from MSHA under section 104(a) of the Mine Act for alleged violations of health or safety standards that could significantly and substantially contribute to a serious injury if left unabated.

· Section 104(b) Orders: The total number of orders issued by MSHA under section 104(b) of the Mine Act, which represents a failure to abate a citation under section 104(a) within the period of time prescribed by MSHA. This results in an order of immediate withdrawal from the area of the mine affected by the condition until MSHA determines that the violation has been abated.

· Section 104(d) Citations and Orders: The total number of citations and orders issued by MSHA under section 104(d) of the Mine Act for unwarrantable failure to comply with mandatory health or safety standards.

· Section 110(b)(2) Violations: The total number of flagrant violations issued by MSHA under section 110(b)(2) of the Mine Act.

· Section 107(a) Orders: The total number of orders issued by MSHA under section 107(a) of the Mine Act for situations in which MSHA determined an imminent danger existed.

Citations and orders can be contested before the Federal Mine Safety and Health Review Commission (the “Commission”), and as part of that process, are often reduced in severity and amount, and are sometimes dismissed.  The Commission is an independent adjudicative agency that provides administrative trial and appellate review of legal disputes arising under the Mine Act. These cases may involve, among other questions, challenges by operators to citations, orders and penalties they have received from MSHA, or complaints of discrimination by miners under section 105 of the Mine Act.

1

			Section
			104(d)			Proposed
	Section	Section	Citations	Section	Section	MSHA		Pending
	104 S & S	104(b)	and	110(b)(2)	107(a)	Assessments(2)		Legal
Mine(1)	Citations	Orders	Orders	Violations	Orders	($ in thousands)	Fatalities	Actions(3)
Texas Lime Company	—	—	—	—	—	—	—	—
Arkansas Lime Company
Plant	—	—	—	—	—	—	—	—
Limedale Quarry	—	—	—	—	—	—	—	1
Colorado Lime Company
Monarch Quarry	—	—	—	—	—	—	—	—
Salida Plant	—	—	—	—	—	—	—	—
Delta Plant	—	—	—	—	—	—	—	—
U.S. Lime Company—St. Clair	1	—	—	—	1	1.6	—	—

(1) The definition of a mine under section 3 of the Mine Act includes the mine, as well as other items used in, or to be used in, or resulting from, the work of extracting and processing limestone, such as roads, land, structures, facilities, equipment, machines, tools, kilns, and other property. These other items associated with a single mine have been aggregated in the totals for that mine.

(2) The proposed MSHA assessments issued during the reporting period do not necessarily relate to the citations or orders issued by MSHA during the reporting period or to the pending contests reported above.

(3) Includes any pending legal actions before the Commission involving such mine as of June 30, 2016. All pending legal actions were initiated by the Company. The pending legal actions may relate to the citations or orders issued by MSHA during the reporting period or to citations or orders issued in prior periods. Due to timing and other factors, the data may not agree with the mine data retrieval system maintained by MSHA. There was one legal action resolved and none instituted during the reporting period.

Pattern or Potential Pattern of Violations.  During the quarter ended June 30, 2016, none of the mines operated by the Company received written notice from MSHA of either (a) a pattern of violations of mandatory health or safety standards that are of such nature as could have significantly and substantially contributed to mine health or safety hazards under section 104(e) of the Mine Act or (b) the potential to have such a pattern.

2

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Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2016	Jul. 28, 2016
Document and Entity Information
Entity Registrant Name	UNITED STATES LIME & MINERALS INC
Entity Central Index Key	0000082020
Document Type	10-Q
Document Period End Date	Jun. 30, 2016
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		5,564,634
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q2

XML

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 62,958	$ 59,926
Trade receivables, net	17,405	15,889
Inventories, net	13,490	14,728
Prepaid expenses and other current assets	869	1,418
Total current assets	94,722	91,961
Property, plant and equipment	277,463	271,686
Less accumulated depreciation and depletion	(174,136)	(167,308)
Property, plant and equipment, net	103,327	104,378
Other assets, net	151	160
Total assets	198,200	196,499
Current liabilities:
Accounts payable	3,916	6,022
Accrued expenses	2,305	2,720
Total current liabilities	6,221	8,742
Deferred tax liabilities, net	19,280	19,184
Other liabilities	1,889	1,946
Total liabilities	27,390	29,872
Stockholders' equity:
Common stock	656	655
Additional paid-in capital	22,280	21,642
Retained earnings	201,160	194,798
Less treasury stock, at cost	(53,286)	(50,468)
Total stockholders' equity	170,810	166,627
Total liabilities and stockholders' equity	$ 198,200	$ 196,499

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenues
Lime and limestone operations	$ 32,376	$ 31,779	$ 65,530	$ 61,141
Natural gas interests	504	671	936	1,373
Total revenues	32,880	32,450	66,466	62,514
Cost of revenues:
Labor and other operating expenses	21,710	21,552	43,539	41,868
Depreciation, depletion and amortization	3,929	3,885	7,838	7,769
Total cost of revenues	25,639	25,437	51,377	49,637
Gross profit	7,241	7,013	15,089	12,877
Selling, general and administrative expenses	2,331	2,400	4,731	4,799
Operating profit	4,910	4,613	10,358	8,078
Other expenses (income):
Interest expense	63	590	122	912
Other (income) expense, net	(80)	712	(123)	705
Total other expense (income)	(17)	1,302	(1)	1,617
Income before income taxes	4,927	3,311	10,359	6,461
Income tax expense	1,240	752	2,606	1,537
Net income	$ 3,687	$ 2,559	$ 7,753	$ 4,924
Income per share of common stock:
Basic (in dollars per share)	$ 0.66	$ 0.46	$ 1.39	$ 0.88
Diluted (in dollars per share)	0.66	0.46	1.39	0.88
Cash dividends per share of common stock (in dollars per share)	$ 0.125	$ 0.125	$ 0.25	$ 0.25

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Percentage	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenues
Lime and limestone operations (as a percent)	98.50%	97.90%	98.60%	97.80%
Natural gas (as a percent)	1.50%	2.10%	1.40%	2.20%
Total revenues (as a percent)	100.00%	100.00%	100.00%	100.00%
Cost of revenues:
Labor and other operating expenses (as a percent)	66.00%	66.40%	65.50%	67.00%
Depreciation, depletion and amortization (as a percent)	12.00%	12.00%	11.80%	12.40%
Total cost of revenues (as a percent)	78.00%	78.40%	77.30%	79.40%
Gross profit (as a percent)	22.00%	21.60%	22.70%	20.60%
Selling, general and administrative expenses (as a percent)	7.00%	7.40%	7.10%	7.70%
Operating profit (as a percent)	15.00%	14.20%	15.60%	12.90%
Other expenses (income):
Interest expense (as a percent)	0.20%	1.80%	0.20%	1.50%
Other (income) expense, net (as a percent)	(0.20%)	2.20%	(0.20%)	1.10%
Total other expense (income) (as a percent)	0.00%	4.00%	0.00%	2.60%
Income before income taxes (as a percent)	15.00%	10.20%	15.60%	10.30%
Income tax expense (as a percent)	3.80%	2.30%	3.90%	2.40%
Net income (as a percent)	11.20%	7.90%	11.70%	7.90%

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2015
Consolidated Statements of Comprehensive Income
Net income	$ 2,559	$ 4,924
Other comprehensive income
Mark to market of interest rate hedges, net of tax expenses of $176 and $241 for the three- and six-month periods 2015, respectively	309	422
Minimum pension liability adjustments, net of tax expense of $344 for each of the three- and six-month periods 2015	602	602
Total other comprehensive income	911	1,024
Comprehensive income	$ 3,470	$ 5,948

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2015
Consolidated Statements of Comprehensive Income
Mark to market of interest rate hedges, tax expense	$ 176	$ 241
Minimum pension liability adjustments, tax expense (benefit)	$ 344	$ 344

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
OPERATING ACTIVITIES:
Net income	$ 7,753	$ 4,924
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	7,984	7,885
Amortization of deferred financing costs	6	23
Deferred income taxes	96	(228)
Loss (gain) on sale of property, plant and equipment	31	(111)
Stock-based compensation	485	575
Changes in operating assets and liabilities:
Trade receivables, net	(1,516)	717
Inventories, net	1,238	(201)
Prepaid expenses and other current assets	549	1,197
Other assets	3	(18)
Accounts payable and accrued expenses	(1,612)	(1,616)
Other liabilities	(100)	630
Net cash provided by operating activities	14,917	13,777
INVESTING ACTIVITIES:
Purchase of property, plant and equipment	(7,900)	(6,310)
Proceeds from sale of property, plant and equipment	70	199
Net cash used in investing activities	(7,830)	(6,111)
FINANCING ACTIVITIES:
Repayment of term loans		(16,667)
Cash dividends paid	(1,391)	(1,399)
Proceeds from exercise of stock options	154
Purchase of treasury shares	(2,818)	(158)
Net cash used in financing activities	(4,055)	(18,224)
Net increase (decrease) in cash and cash equivalents	3,032	(10,558)
Cash and cash equivalents at beginning of period	59,926	58,332
Cash and cash equivalents at end of period	$ 62,958	$ 47,774

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Basis of Presentation

6 Months Ended

Jun. 30, 2016

Basis of Presentation

Basis of Presentation

1.    Basis of Presentation

The condensed consolidated financial statements included herein have been prepared by United States Lime & Minerals, Inc. (the “Company”) without independent audit.  In the opinion of the Company’s management, all adjustments of a normal and recurring nature necessary to present fairly the financial position, results of operations, comprehensive income and cash flows for the periods presented have been made.  Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“US GAAP”) have been condensed or omitted.  These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the period ended December 31, 2015.  The results of operations for the three- and six-month periods ended June 30, 2016 are not necessarily indicative of operating results for the full year.

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Organization

6 Months Ended

Jun. 30, 2016

Organization

Organization

2.    Organization

The Company is headquartered in Dallas, Texas, and operates through two business segments.  Through its Lime and Limestone Operations, the Company is a manufacturer of lime and limestone products, supplying primarily the construction (including highway, road and building contractors), environmental (including municipal sanitation and water treatment facilities and flue gas treatment processes), industrial (including paper and glass manufacturers), metals (including steel producers), roof shingle, oil and gas services and agriculture (including poultry and cattle feed producers) industries.  The Company operates lime and limestone plants and distribution facilities in Arkansas, Colorado, Louisiana, Oklahoma and Texas through its wholly owned subsidiaries, Arkansas Lime Company, Colorado Lime Company, Texas Lime Company, U.S. Lime Company, U.S. Lime Company – Shreveport, U.S. Lime Company – St. Clair and U.S. Lime Company – Transportation.

The Company’s Natural Gas Interests segment is held in its wholly owned subsidiary, U.S. Lime Company – O & G, LLC (“U.S. Lime O & G”).  Under a lease agreement (the “O & G Lease”), U.S. Lime O & G has royalty interests ranging from 15.4% to 20% and a 20% non-operating working interest, resulting in an overall average revenue interest of 34.7%, with respect to oil and gas rights in 33 wells drilled and currently producing on the Company’s approximately 3,800 acres of land located in Johnson County, Texas, in the Barnett Shale Formation. Through U. S. Lime O & G, the Company also has a drillsite and production facility lease agreement and subsurface easement (the “Drillsite Agreement”) relating to approximately 538 acres of land contiguous to the Company’s Johnson County, Texas property.  Pursuant to the Drillsite Agreement, the Company receives a 3% royalty interest and a 12.5% non-operating working interest, resulting in a 12.4% revenue interest, in the six wells drilled and currently producing from pad sites located on the Company’s property.

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Accounting Policies

6 Months Ended

Jun. 30, 2016

Accounting Policies

Accounting Policies

3.    Accounting Policies

Revenue Recognition.  The Company recognizes revenue for its Lime and Limestone Operations in accordance with the terms of its purchase orders, contracts or purchase agreements, which are generally upon shipment, and when payment is considered probable. Revenues include external freight billed to customers with related costs in cost of revenues.  The Company’s returns and allowances are minimal.  External freight billed to customers included in 2016 and 2015 revenues was $6.7 million and $6.3 million for the three-month periods, and $12.3 million and $11.5 million for the six-month periods, respectively, which approximates the amount of external freight included in cost of revenues. Sales taxes billed to customers are not included in revenues.  For its Natural Gas Interests, the Company recognizes revenue in the month of production and delivery.

Successful-Efforts Method Used for Natural Gas Interests.  The Company uses the successful-efforts method to account for oil and gas exploration and development expenditures.  Under this method, drilling, completion and workover costs for successful exploratory wells and all development well costs are capitalized and depleted using the units-of-production method.  Costs to drill exploratory wells that do not find proved reserves are expensed.

Comprehensive Income.  Accounting principles generally require that recognized revenue, expenses, gains and losses be included in net income.  Certain changes in assets and liabilities, such as mark-to-market gains or losses of interest rate hedges and minimum pension liability adjustments, are reported as a separate component of the equity section of the balance sheet.  Such items, along with net income, are components of comprehensive income.

Fair Values of Financial Instruments.  Fair value is defined as “the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date.”  The Company uses a three-tier fair value hierarchy, which classifies the inputs used in measuring fair values, in determining the fair value of its financial assets and liabilities.  These tiers include:  Level 1, defined as observable inputs such as quoted prices for identical instruments in active markets; Level 2, defined as observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.  There were no changes in the methods and assumptions used in measuring fair value.

New Accounting Pronouncements.  In February 2016, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) 2016-02, Leases (Topic 842) (“ASU 2016-02”), in order to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet for many leases classified as operating leases under previous US GAAP.  ASU 2016-02 requires that a lessee should recognize a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term on the balance sheet.  ASU 2016-02 is effective for fiscal years beginning after December 15, 2018 (including interim periods within those fiscal years) and early adoption is permitted.  The Company is currently evaluating the impact of adoption of ASU 2016-02 on its consolidated financial statements.

In March 2016, the FASB issued ASU 2016-09, Improvements to Employee Share-Based Payment Accounting (Topic 718) (“ASU 2016-09”).  ASU 2016-09 simplifies several aspects of the accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities and classification on the statement of cash flows.  ASU 2016-09 is effective for fiscal years beginning after December 15, 2016 (including interim periods within those fiscal years) and early adoption is permitted.  The Company is currently evaluating the impact of adoption of ASU 2016-09 on its consolidated financial statements.

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Business Segments

6 Months Ended

Jun. 30, 2016

Business Segments

Business Segments

4.   Business Segments

The Company has identified two business segments based on the distinctness of their activities and products:  Lime and Limestone Operations and Natural Gas Interests.  All operations are in the United States.  In evaluating the operating results of the Company’s segments, management primarily reviews revenues and gross profit.  The Company does not allocate corporate overhead or interest costs to its business segments.

The following table sets forth operating results and certain other financial data for the Company’s two business segments (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
Revenues	2016		2015		2016		2015
Lime and limestone operations	$	32,376	$	31,779	$	65,530	$	61,141
Natural gas interests		504		671		936		1,373
Total revenues	$	32,880	$	32,450	$	66,466	$	62,514
Depreciation, depletion and amortization
Lime and limestone operations	$	3,738	$	3,697	$	7,452	$	7,389
Natural gas interests		191		188		386		380
Total depreciation, depletion and amortization	$	3,929	$	3,885	$	7,838	$	7,769
Gross profit
Lime and limestone operations	$	7,245	$	6,809	$	15,174	$	12,506
Natural gas interests		(4)		204		(85)		371
Total gross profit	$	7,241	$	7,013	$	15,089	$	12,877
Capital expenditures
Lime and limestone operations	$	3,966	$	2,883	$	7,896	$	6,303
Natural gas interests		—		3		4		7
Total capital expenditures	$	3,966	$	2,886	$	7,900	$	6,310

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Income Per Share of Common Stock

6 Months Ended

Jun. 30, 2016

Income Per Share of Common Stock

Income Per Share of Common Stock

5.    Income Per Share of Common Stock

The following table sets forth the computation of basic and diluted income per common share (in thousands, except per share amounts):

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
Net income for basic and diluted income per common share	$	3,687	$	2,559	$	7,753	$	4,924
Weighted-average shares for basic income per common share		5,565		5,599		5,571		5,598
Effect of dilutive securities:
Employee and director stock options(1)		3		6		3		7
Adjusted weighted-average shares and assumed exercises for diluted income per common share		5,568		5,605		5,574		5,605
Basic net income per common share	$	0.66	$	0.46	$	1.39	$	0.88
Diluted net income per common share	$	0.66	$	0.46	$	1.39	$	0.88

(1) Excludes 32.4 and 33.6 stock options for the three- and six-month periods 2016, respectively, and 17.4 stock options for each of the 2015 periods as anti-dilutive because the exercise price exceeded the average per share market price for the periods presented.

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Accumulated Other Comprehensive Loss

6 Months Ended

Jun. 30, 2016

Accumulated Other Comprehensive Loss

Accumulated Other Comprehensive Loss

6.    Accumulated Other Comprehensive Loss

The following table presents the components of comprehensive income (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
Net income	$	3,687	$	2,559	$	7,753	$	4,924
Minimum pension liability adjustments		—		946		—		946
Reclassification to interest expense		—		487		—		678
Deferred income tax expense		—		(520)		—		(585)
Mark to market of interest rate hedges		—		(2)		—		(15)
Comprehensive income	$	3,687	$	3,470	$	7,753	$	5,948

Amounts reclassified to interest expense were for payments made by the Company pursuant to the Company’s interest rate hedges in 2015.

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Inventories

6 Months Ended

Jun. 30, 2016

Inventories

Inventories

7.    Inventories, Net

Inventories are valued principally at the lower of cost, determined using the average cost method, or market.  Costs for raw materials and finished goods include materials, labor, and production overhead.  Inventories, net consisted of the following (in thousands):

	June 30,		December 31,
	2016		2015
Lime and limestone inventories:
Raw materials	$	5,617	$	6,627
Finished goods		1,810		2,049
	$	7,427	$	8,676
Service parts inventories		6,063		6,052
	$	13,490	$	14,728

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Banking Facilities and Debt

6 Months Ended

Jun. 30, 2016

Banking Facilities and Debt

Banking Facilities and Debt

8.    Banking Facilities and Debt

On May 7, 2015, the Company amended its credit agreement with Wells Fargo Bank, N.A. (the “Lender”) to, among other things, provide for a $75 million revolving credit facility (the “New Revolving Facility”) and reduce the interest rate margins and commitment fees (the “Amendment”).  The Amendment also provides for an incremental four-year accordion feature to borrow up to an additional $50 million on the same terms, subject to approval by the Lender or another lender selected by the Company. The terms of the Amendment provide for a final maturity of the New Revolving Facility and any incremental loan on May 7, 2020; interest rates, at the Company’s option, of LIBOR plus a margin of 1.000% to 2.000% or the Lender’s Prime Rate plus a margin of 0.000% to plus 1.000%; and a commitment fee range of 0.200% to 0.350% on the undrawn portion of the New Revolving Facility.  The New Revolving Facility interest rate margins and commitment fee are determined quarterly in accordance with a pricing grid based upon the Company’s Cash Flow Leverage Ratio, defined as the ratio of the Company’s total funded senior indebtedness to earnings before interest, taxes, depreciation, depletion, amortization and stock-based compensation expense (“EBITDA”) for the 12 months ended on the last day of the most recent calendar quarter, plus pro forma EBITDA from any businesses acquired during the period.  Pursuant to a security agreement, dated August 25, 2004, the New Revolving Facility is secured by the Company’s existing and hereafter acquired tangible assets, intangible assets and real property. The maturity of the New Revolving Facility and any incremental loans can be accelerated if any event of default, as defined under the credit agreement, occurs.

The Company may pay dividends so long as it remains in compliance with the provisions of the Company’s credit agreement, and may purchase, redeem or otherwise acquire shares of its common stock so long as its pro forma Cash Flow Leverage Ratio is less than 3.00 to 1.00 and no default or event of default exists or would exist after giving effect to such stock repurchase.

Prior to the Amendment, the Company’s credit agreement had included a ten-year $40 million term loan (the “Term Loan”), a ten-year $20 million multiple draw term loan (the “Draw Term Loan”) and a $30 million revolving credit facility (the “Revolving Facility”) (collectively, the “Credit Facilities”).  The Term Loan required quarterly principal payments of $0.8 million, with a final principal payment of $7.5 million due on December 31, 2015.  The Draw Term Loan required quarterly principal payments of $0.4 million, with a final principal payment of $5.4 million due on December 31, 2015.  The Revolving Facility was scheduled to mature on June 1, 2015. The maturity of the Term Loan, the Draw Term Loan and the Revolving Facility could have been accelerated if any event of default, as defined under the Credit Facilities, had occurred.

The Company had interest rate hedges, with the Lender as the counterparty to the hedges, that fixed LIBOR through maturity at 4.695%,  4.875% and 5.500% on the outstanding balance of the Term Loan, 75% of the outstanding balance of the Draw Term Loan and 25% of the outstanding balance of the Draw Term Loan, respectively. As discussed below, the Company repurchased these hedges during the second quarter 2015.  Based on the LIBOR margin of 1.750% prior to the Amendment, the Company’s interest rates had been: 6.445% on the outstanding balance of the Term Loan; 6.625% on 75%of the outstanding balance of the Draw Term Loan; and 7.250% on 25% of the outstanding balance of the Draw Term Loan.

The hedges had been effective as defined under applicable accounting rules.  Therefore, changes in fair value of the hedges were reflected in comprehensive income.  The Company would have been exposed to credit losses in the event of non-performance by the counterparty to the hedges.  The Company paid $0.2 million in quarterly settlement payments pursuant to its hedges during the first quarter 2015. These payments were included in interest expense in the Condensed Consolidated Statements of Operations.

On May 7, 2015, the Company paid off the $15.4 million balance then outstanding on the Term Loan and Draw Term Loan, as well as paid $0.5 million to repurchase the related hedges, from cash on hand.  The cost to repurchase the hedges was included in interest expense in the second quarter 2015.

The Company had letters of credit totaling $0.7 million issued on the New Revolving Facility at June 30, 2016, but no draws.

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Income Taxes

6 Months Ended

Jun. 30, 2016

Income Taxes

Income Taxes

9.    Income Taxes

The Company has estimated that its effective income tax rate for 2016 will be approximately 25.2%.  As in prior periods, the primary reason for the effective rate being below the federal statutory rate is due to statutory depletion, which is allowed for income tax purposes and is a permanent difference between net income for financial reporting purposes and taxable income.

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Dividends and Share Repurchases

6 Months Ended

Jun. 30, 2016

Dividends and Share Repurchases

Dividends and Share Repurchases

10.    Dividends and Share Repurchases

On June 17, 2016, the Company paid $0.7 million in cash dividends, based on a dividend of $0.125 (12.5 cents) per share on its common stock, to shareholders of record at the close of business on May 27, 2016.  On March 18, 2016, the Company paid $0.7 million in cash dividends, based on a dividend of $0.125 (12.5 cents) per share on its common stock, to shareholders of record at the close of business on February 26, 2016.   

In December 2015, the Company commenced a publicly announced share repurchase program to purchase up to $10 million of its common stock.  Pursuant to that program, the Company repurchased 50,068 shares in the first quarter 2016 at a weighted-average price of $53.52 per share.  No shares were repurchased during the second quarter.  Since the commencement of the share repurchase program through June 30, 2016, the Company has repurchased 53,154 shares at a weighted-average price of $53.59 per share. 

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Employee Retirement Plan

6 Months Ended

Jun. 30, 2016

Employee Retirement Plan

Employee Retirement Plan

11.    Employee Retirement Plan

During the second quarter 2015, after receipt of a favorable determination letter from the Internal Revenue Service, the Company terminated a noncontributory defined benefit plan that, prior to the termination, covered substantially all of the union employees previously employed by its wholly owned subsidiary, Corson Lime Company (the “Corson Plan”).  In 1997, the Company sold substantially all of the assets of Corson Lime Company, and the benefits for participants in the Corson Plan were frozen.  As a result of the termination of the Corson Plan, the Company made a cash payment of $0.2 million and recognized a second quarter 2015 expense of $0.9 million ($0.6 million, net of tax benefit), included in Other (income) expense, net, that was previously included in Accumulated other comprehensive loss.

The following table sets forth the Pre-Settlement, Settlement and Post-Settlement as of June 30, 2015 (in thousands):

	June 30, 2015
	Pre-Settlement		Settlement		Post-Settlement
Projected benefit obligation	$	2,039	$	(2,039)	$	—
Fair value of plan assets		2,039		(2,039)		—
Underfunded status	$	—	$	—	$	—

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Subsequent Events

6 Months Ended

Jun. 30, 2016

Subsequent Events

Subsequent Events

12.    Subsequent Events

On July 28, 2016, the Company’s Board of Directors declared a regular quarterly cash dividend of $0.125 (12.5 cents) per share on the Company’s common stock.  This dividend is payable on September 16, 2016to shareholders of record at the close of business on August 26, 2016.

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Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2016

Accounting Policies

Revenue Recognition

Revenue Recognition.  The Company recognizes revenue for its Lime and Limestone Operations in accordance with the terms of its purchase orders, contracts or purchase agreements, which are generally upon shipment, and when payment is considered probable. Revenues include external freight billed to customers with related costs in cost of revenues.  The Company’s returns and allowances are minimal.  External freight billed to customers included in 2016 and 2015 revenues was $6.7 million and $6.3 million for the three-month periods, and $12.3 million and $11.5 million for the six-month periods, respectively, which approximates the amount of external freight included in cost of revenues. Sales taxes billed to customers are not included in revenues.  For its Natural Gas Interests, the Company recognizes revenue in the month of production and delivery.

Successful-Efforts Method Used for Natural Gas Interests

Successful-Efforts Method Used for Natural Gas Interests.  The Company uses the successful-efforts method to account for oil and gas exploration and development expenditures.  Under this method, drilling, completion and workover costs for successful exploratory wells and all development well costs are capitalized and depleted using the units-of-production method.  Costs to drill exploratory wells that do not find proved reserves are expensed.

Comprehensive Income

Comprehensive Income.  Accounting principles generally require that recognized revenue, expenses, gains and losses be included in net income.  Certain changes in assets and liabilities, such as mark-to-market gains or losses of interest rate hedges and minimum pension liability adjustments, are reported as a separate component of the equity section of the balance sheet.  Such items, along with net income, are components of comprehensive income.

Fair Values of Financial Instruments

Fair Values of Financial Instruments.  Fair value is defined as “the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date.”  The Company uses a three-tier fair value hierarchy, which classifies the inputs used in measuring fair values, in determining the fair value of its financial assets and liabilities.  These tiers include:  Level 1, defined as observable inputs such as quoted prices for identical instruments in active markets; Level 2, defined as observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.  There were no changes in the methods and assumptions used in measuring fair value.

New Accounting Pronouncements

New Accounting Pronouncements.  In February 2016, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) 2016-02, Leases (Topic 842) (“ASU 2016-02”), in order to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet for many leases classified as operating leases under previous US GAAP.  ASU 2016-02 requires that a lessee should recognize a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term on the balance sheet.  ASU 2016-02 is effective for fiscal years beginning after December 15, 2018 (including interim periods within those fiscal years) and early adoption is permitted.  The Company is currently evaluating the impact of adoption of ASU 2016-02 on its consolidated financial statements.

In March 2016, the FASB issued ASU 2016-09, Improvements to Employee Share-Based Payment Accounting (Topic 718) (“ASU 2016-09”).  ASU 2016-09 simplifies several aspects of the accounting for share-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities and classification on the statement of cash flows.  ASU 2016-09 is effective for fiscal years beginning after December 15, 2016 (including interim periods within those fiscal years) and early adoption is permitted.  The Company is currently evaluating the impact of adoption of ASU 2016-09 on its consolidated financial statements.

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Business Segments (Tables)

6 Months Ended

Jun. 30, 2016

Business Segments

Schedule of operating results and certain other financial data for the business segments)

The following table sets forth operating results and certain other financial data for the Company’s two business segments (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
Revenues	2016		2015		2016		2015
Lime and limestone operations	$	32,376	$	31,779	$	65,530	$	61,141
Natural gas interests		504		671		936		1,373
Total revenues	$	32,880	$	32,450	$	66,466	$	62,514
Depreciation, depletion and amortization
Lime and limestone operations	$	3,738	$	3,697	$	7,452	$	7,389
Natural gas interests		191		188		386		380
Total depreciation, depletion and amortization	$	3,929	$	3,885	$	7,838	$	7,769
Gross profit
Lime and limestone operations	$	7,245	$	6,809	$	15,174	$	12,506
Natural gas interests		(4)		204		(85)		371
Total gross profit	$	7,241	$	7,013	$	15,089	$	12,877
Capital expenditures
Lime and limestone operations	$	3,966	$	2,883	$	7,896	$	6,303
Natural gas interests		—		3		4		7
Total capital expenditures	$	3,966	$	2,886	$	7,900	$	6,310

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Income Per Share of Common Stock (Tables)

6 Months Ended

Jun. 30, 2016

Income Per Share of Common Stock

Schedule of computation of basic and diluted income per common share

The following table sets forth the computation of basic and diluted income per common share (in thousands, except per share amounts):

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
Net income for basic and diluted income per common share	$	3,687	$	2,559	$	7,753	$	4,924
Weighted-average shares for basic income per common share		5,565		5,599		5,571		5,598
Effect of dilutive securities:
Employee and director stock options(1)		3		6		3		7
Adjusted weighted-average shares and assumed exercises for diluted income per common share		5,568		5,605		5,574		5,605
Basic net income per common share	$	0.66	$	0.46	$	1.39	$	0.88
Diluted net income per common share	$	0.66	$	0.46	$	1.39	$	0.88

(1) Excludes 32.4 and 33.6 stock options for the three- and six-month periods 2016, respectively, and 17.4 stock options for each of the 2015 periods as anti-dilutive because the exercise price exceeded the average per share market price for the periods presented.

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Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2016

Accumulated Other Comprehensive Loss

Schedule of components of comprehensive income

The following table presents the components of comprehensive income (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
Net income	$	3,687	$	2,559	$	7,753	$	4,924
Minimum pension liability adjustments		—		946		—		946
Reclassification to interest expense		—		487		—		678
Deferred income tax expense		—		(520)		—		(585)
Mark to market of interest rate hedges		—		(2)		—		(15)
Comprehensive income	$	3,687	$	3,470	$	7,753	$	5,948

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Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Inventories

Schedule of inventories, net

Inventories, net consisted of the following (in thousands):

	June 30,		December 31,
	2016		2015
Lime and limestone inventories:
Raw materials	$	5,617	$	6,627
Finished goods		1,810		2,049
	$	7,427	$	8,676
Service parts inventories		6,063		6,052
	$	13,490	$	14,728

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Employee Retirement Plan (Tables)

6 Months Ended

Jun. 30, 2016

Employee Retirement Plan

Schedule of funded status of the Plan accrued pension benefit obligation

The following table sets forth the Pre-Settlement, Settlement and Post-Settlement as of June 30, 2015 (in thousands):

	June 30, 2015
	Pre-Settlement		Settlement		Post-Settlement
Projected benefit obligation	$	2,039	$	(2,039)	$	—
Fair value of plan assets		2,039		(2,039)		—
Underfunded status	$	—	$	—	$	—

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Organization (Details)	6 Months Ended
	Jun. 30, 2016 a segment
Organization
Number of business segments | segment	2
O & G Lease
Organization
Area of land (in acres)	3,800
U.S. Lime O & G | O & G Lease
Organization
Percentage of non-operating working interest	20.00%
Overall average revenue interest (as a percent)	34.70%
Number of wells	33
U.S. Lime O & G | O & G Lease | Minimum
Organization
Percentage of royalty interest	15.40%
U.S. Lime O & G | O & G Lease | Maximum
Organization
Percentage of royalty interest	20.00%
U.S. Lime O & G | Drillsite Agreement
Organization
Percentage of royalty interest	3.00%
Percentage of non-operating working interest	12.50%
Overall average revenue interest (as a percent)	12.40%
Number of wells	6
Area of land under a lease (in acres)	538

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Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenue Recognition
External freight billed to customers included in revenue	$ 6.7	$ 6.3	$ 12.3	$ 11.5

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Business Segments (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) segment	Jun. 30, 2015 USD ($)
Business segments
Number of business segments | segment			2
Revenues	$ 32,880	$ 32,450	$ 66,466	$ 62,514
Depreciation, depletion and amortization	3,929	3,885	7,838	7,769
Gross profit	7,241	7,013	15,089	12,877
Capital expenditures	3,966	2,886	7,900	6,310
Lime and limestone operations
Business segments
Revenues	32,376	31,779	65,530	61,141
Depreciation, depletion and amortization	3,738	3,697	7,452	7,389
Gross profit	7,245	6,809	15,174	12,506
Capital expenditures	3,966	2,883	7,896	6,303
Natural gas interests
Business segments
Revenues	504	671	936	1,373
Depreciation, depletion and amortization	191	188	386	380
Gross profit	$ (4)	204	(85)	371
Capital expenditures		$ 3	$ 4	$ 7

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Income Per Share of Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income per share of common stock:
Net income for basic and diluted income per common share	$ 3,687	$ 2,559	$ 7,753	$ 4,924
Weighted-average shares for basic income per share	5,565,000	5,599,000	5,571,000	5,598,000
Effect of dilutive securities:
Employee and director stock options (in shares)	3,000	6,000	3,000	7,000
Adjusted weighted-average shares and assumed exercises for diluted income per share	5,568,000	5,605,000	5,574,000	5,605,000
Basic net income per common share (in dollars per share)	$ 0.66	$ 0.46	$ 1.39	$ 0.88
Diluted net income per common share (in dollars per share)	$ 0.66	$ 0.46	$ 1.39	$ 0.88
Options
Anti-dilutive securities
Anti-dilutive shares of common stock excluded from the calculation of dilutive securities	32,400	17,400	33,600	17,400

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Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Components of comprehensive income
Net income	$ 3,687	$ 2,559	$ 7,753	$ 4,924
Minimum pension liability adjustments		946		946
Reclassification to interest expense		487		678
Deferred income tax expense		(520)		(585)
Mark to market of interest rate hedges		(2)		(15)
Comprehensive income	$ 3,687	$ 3,470	$ 7,753	$ 5,948

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Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Lime and limestone inventories:
Raw materials	$ 5,617	$ 6,627
Finished goods	1,810	2,049
Total	7,427	8,676
Service parts inventories	6,063	6,052
Total inventories	$ 13,490	$ 14,728

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Banking Facilities and Debt (Details)		3 Months Ended	4 Months Ended	6 Months Ended
	May 07, 2015 USD ($)	Mar. 31, 2015 USD ($)	May 06, 2015 USD ($)	Jun. 30, 2016 USD ($)
Banking facilities and other debt
Paid off the outstanding Term loan and Draw term loan	$ 15,400,000
Interest rate swaps
Interest rate hedges
Quarterly settlement payment pursuant to hedges	500,000	$ 200,000
Minimum
Interest rate hedges
Pro forma Cash Flow Leverage Ratio to be maintained to purchase, redeem or otherwise acquire shares of common stock				3.00
Minimum | LIBOR
Banking facilities and other debt
Interest rate margin (as a percent)			1.75%
New Revolving Facility
Banking facilities and other debt
Maximum borrowing capacity	$ 75,000,000
Accordion feature period	4 years
Maximum borrowing capacity accordion feature	$ 50,000,000
New Revolving Facility | Minimum
Banking facilities and other debt
Commitment fee (as a percent)	0.20%
New Revolving Facility | Minimum | LIBOR
Banking facilities and other debt
Interest rate margin (as a percent)	1.00%
New Revolving Facility | Minimum | Lender's prime rate
Banking facilities and other debt
Interest rate margin (as a percent)	0.00%
New Revolving Facility | Maximum
Banking facilities and other debt
Commitment fee (as a percent)	0.35%
New Revolving Facility | Maximum | LIBOR
Banking facilities and other debt
Interest rate margin (as a percent)	2.00%
New Revolving Facility | Maximum | Lender's prime rate
Banking facilities and other debt
Interest rate margin (as a percent)	1.00%
Term Loan
Banking facilities and other debt
Term			10 years
Face amount of term loan			$ 40,000,000
Quarterly principal payments			800,000
Final principal payment			$ 7,500,000
Term Loan | LIBOR | Interest rate swaps
Interest rate hedges
LIBOR (as a percent)			4.695%
Current interest rate (as a percent)			6.445%
Draw Term Loan
Banking facilities and other debt
Term			10 years
Face amount of term loan			$ 20,000,000
Quarterly principal payments			400,000
Final principal payment			$ 5,400,000
75% of the outstanding balance of the Draw Term Loan | Interest rate swaps
Interest rate hedges
Percentage of outstanding balance of debt hedged			75.00%
75% of the outstanding balance of the Draw Term Loan | LIBOR | Interest rate swaps
Interest rate hedges
LIBOR (as a percent)			4.875%
Current interest rate (as a percent)			6.625%
25% of the outstanding balance of the Draw Term Loan | Interest rate swaps
Interest rate hedges
Percentage of outstanding balance of debt hedged			25.00%
25% of the outstanding balance of the Draw Term Loan | LIBOR | Interest rate swaps
Interest rate hedges
LIBOR (as a percent)			5.50%
Current interest rate (as a percent)			7.25%
Revolving Facility
Banking facilities and other debt
Maximum borrowing capacity			$ 30,000,000
Letters of credit outstanding				$ 700,000

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Income Taxes (Details)	6 Months Ended
	Jun. 30, 2016
Income Taxes
Income tax expense (as a percent)	25.20%

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Dividends and Share Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		6 Months Ended		7 Months Ended
	Jun. 17, 2016	Mar. 18, 2016	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Dec. 31, 2015
Dividends and Share Repurchases
Cash dividends paid	$ 700	$ 700			$ 1,391	$ 1,399
Cash dividend (in dollars per share)	$ 0.125	$ 0.125
Dividends payable date of record	May 27, 2016	Feb. 26, 2016
Share repurchase program amount authorized								$ 10,000
Shares repurchased (in shares)			0	50,068
Weighted average price per share (in dollars per share)				$ 53.52
Shares paid for tax withholding for share-based compensation							53,154
Weighted average per share prices for shares used to pay tax withholding liability (in dollars per share)							$ 53.59

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Employee Retirement Plan (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2015
Employee Retirement Plan
Cash payment on termination of contract	$ 200
Expense on providing contractual termination benefits recognized	900
Expense on providing contractual termination benefits recognized, net of tax benefit	$ 600
Funded status
Projected benefit obligation, Pre Settlement		$ 2,039
Fair value of plan assets, Pre Settlement		2,039
Projected benefit obligation, Settlement		(2,039)
Fair value of plan assets, Settlement		$ (2,039)

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Subsequent Events (Details) - $ / shares	Jul. 28, 2016	Jun. 17, 2016	Mar. 18, 2016
Subsequent event
Quarterly cash dividend declared (in dollars per share)		$ 0.125	$ 0.125
Dividends payable date of record		May 27, 2016	Feb. 26, 2016
Subsequent event
Subsequent event
Quarterly cash dividend declared (in dollars per share)	$ 0.125
Dividends payable date declared	Jul. 28, 2016
Dividends payable date of record	Aug. 26, 2016
Dividends payable date to be paid	Sep. 16, 2016