Equity Incentive Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2013

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

Schedule of stock options or units activity

	Number of Shares		Weighted Average Exercise Price		Aggregate Intrinsic Value (in thousands)(1)		Weighted Average Remaining Contractual Term (Years)
Outstanding at January 1, 2013	1,387,592		$	33.71	$	4,681
Granted	—		—
Exercised	(3,000	)	21.58		76
Canceled/expired	—		—
Outstanding at June 30, 2013	1,384,592		$	33.74	$	13,465	3.59
Vested and expected to vest at June 30, 2013	1,383,778		$	33.73	$	13,465	3.59
Exercisable at June 30, 2013	1,278,372		$	32.29	$	13,465	3.20

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(1) The intrinsic value of a stock option is the amount by which the market value of the underlying stock at the end of the related period exceeds the exercise price of the option.

Summary of restricted stock units activity

	RSUs		Weighted Average Grant Date Fair Value		Vest Date Fair Value (in thousands)
Outstanding at January 1, 2013	981,877		$	26.72
Granted	264,033		45.27
Issued	(176,724	)	24.68		$	6,884
Canceled/expired	(13,707	)	43.85
Outstanding at June 30, 2013(1)(2)	1,055,479		$	32.02

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(1) The balance outstanding includes 58,036 RSUs granted to non-employee directors that are 100% vested at date of grant, but are subject to deferral elections delaying the date on which the corresponding shares are issued.

(2) The balance outstanding includes 510,967 RSUs granted to executive officers and other officers that have vested in accordance with the RSU agreement but are subject to deferral elections delaying the date on which the corresponding shares are issued.

Summary of performance share awards activity

	Performance Share Awards(1)		Weighted Average Grant Date Fair Value		Vest Date Fair Value (in thousands)
Outstanding at January 1, 2013	222,587		$	45.79
Granted	—		—
Issued	(64,922	)	32.75		$	2,990
Canceled/expired	(34,742	)	28.32
Outstanding at June 30, 2013	122,923		$	57.61

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(1) For outstanding shares, reflects the maximum number of performance shares that can be issued.