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Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

Stock-Based Compensation [Abstract]

Schedule Of Stock-Based Compensation Expense

	Year Ended December 31,
(in thousands)	2015			2014			2013
Stock-based compensation expense for:
Incentive Plans	$	34,169		$	31,944		$	12,958
Director Plan		564			849			600
Total stock-based compensation expense	$	34,733		$	32,793		$	13,558

Schedule Of Restricted Stock Units Award Activity

		Year Ended December 31,
		2015						2014						2013
(in thousands, except per share amounts)		Number of Shares/Units		Weighted Average Fair Value			Number of Shares/Units			Weighted Average Fair Value			Number of Shares/Units			Weighted Average Fair Value
Restricted stock awards:
Granted under the Incentive Plans, non-executive employees		1,152		$	16.30			774		$	52.09			902		$	59.42
Granted under the Incentive Plans, executive officers		260			14.77			240			41.00			212			72.60
Granted under the 2004 Director Plan, non-employee directors		26			21.30			17			49.26			12			48.43
Total restricted stock awards granted		1,438		$	16.12			1,031		$	49.46			1,126		$	61.78

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- References

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- Definition

Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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