SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2012

Depreciation, Depletion, Accretion and Amortization Expense

Depreciation, depletion, accretion and amortization expense for the years ended December 31 is outlined below:

in thousands	2012		2011		2010
Depreciation, Depletion, Accretion and Amortization
Depreciation		$301,146		$328,072		$349,460
Depletion		10,607		11,195		10,337
Accretion		7,956		8,195		8,641
Amortization of leaseholds		381		225		195
Amortization of intangibles		11,869		14,032		13,460
Total		$331,959		$361,719		$382,093

Fair Value Measurement on Recurring Basis

Our assets at December 31 subject to fair value measurement on a recurring basis are summarized below:

	Level 1
in thousands	2012		2011
Fair Value Recurring
Rabbi Trust
Mutual funds		$13,349		$13,536
Equities		9,843		7,057
Total		$23,192		$20,593
	Level 2
in thousands	2012		2011
Fair Value Recurring
Rabbi Trust
Common/collective trust funds		$2,265		$2,192
Total		$2,265		$2,192

Assets Subject to Fair Value Measurement on Nonrecurring Basis

Assets that were subject to fair value measurement on a nonrecurring basis as of December 31, 2012 are summarized below:

	2012
in thousands	Level 3		Impairment Charges
Fair Value Nonrecurring
Assets held for sale		$10,559		$1,738
Totals		$10,559		$1,738

Summary of Company Owned Life Insurance Cash Surrender Value, Loans Outstanding and Net Values Included in Other Noncurrent Assets

We have Company Owned Life Insurance (COLI) policies for which the cash surrender values, loans outstanding and the net values included in other noncurrent assets in the accompanying Consolidated Balance Sheets as of December 31 are as follows:

in thousands	2012		2011
Company Owned Life Insurance
Cash surrender value		$41,351		$38,300
Loans outstanding		41,345		38,289
Net value included in noncurrent assets		$6		$11

Summary of Estimated Future Compensation Cost Related to Share-Based Awards Granted to Employees Under Long-Term Incentive Plans

A summary of the estimated future compensation cost (unrecognized compensation expense) as of December 31, 2012 related to share-based awards granted to employees under our long-term incentive plans is presented below:

dollars in thousands	Unrecognized Compensation Expense		Expected Weighted-average Recognition (Years)
Share-based Compensation
SOSARs 1		$2,698		1.5
Performance shares		17,488		2.7
Total/weighted-average		$20,186		2.5

¹  Stock-Only Stock Appreciation Rights (SOSARs)

Pretax Compensation Expense Related to Employee Share-based Compensation Awards and Related Income Tax Benefits

Pretax compensation expense related to our employee share-based compensation awards and related income tax benefits for the years ended December 31 are summarized below:

in thousands	2012		2011		2010
Employee Share-based Compensation Awards
Pretax compensation expense		$15,491		$17,537		$19,746
Income tax benefits		6,011		6,976		7,968

Liabilities Under Self-Insurance Program

The following table outlines our self-insurance program at December 31:

dollars in thousands	2012			2011
Self-insurance Program
Self-insured liabilities (undiscounted)		$48,019			$46,178
Insured liabilities (undiscounted)		15,054			14,339
Discount rate		0.51%			0.65%
Amounts Recognized in Consolidated
Balance Sheets
Investments and long-term receivables		$14,822			$0
Other accrued liabilities		(17,260	)		(13,046	)
Other noncurrent liabilities		(44,902	)		(32,089	)
Net liabilities (discounted)		($47,340	)		($45,135	)

Estimated Payments (Undiscounted) Under Our Self-Insurance Program

Estimated payments (undiscounted) under our self-insurance program for the five years subsequent to December 31, 2012 are as follows:

in thousands
Estimated Payments under Self-insurance Program
2013	$21,920
2014	12,910
2015	8,752
2016	5,547
2017	3,700

Weighted-Average Common Shares Outstanding

We report two earnings per share numbers, basic and diluted. These are computed by dividing net earnings by the weighted-average common shares outstanding (basic EPS) or weighted-average common shares outstanding assuming dilution (diluted EPS), as set forth below:

in thousands	2012		2011		2010
Weighted-average common shares outstanding		129,745		129,381		128,050
Dilutive effect of
Stock options/SOSARs		0		0		0
Other stock compensation plans		0		0		0
Weighted-average common shares outstanding, assuming dilution		129,745		129,381		128,050

Antidilutive Common Stock Equivalents

The number of antidilutive common stock equivalents for which the exercise price exceeds the weighted-average market price for the years ended December 31 is as follows:

in thousands	2012		2011		2010
Antidilutive common stock equivalents		4,762		5,845		5,827