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Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2012

Weighted-Average Assumptions Used to Estimate Grant Date Fair Values for Stock Options Granted

Weighted-average assumptions used to estimate the grant date fair values for stock options granted in the three and nine month periods ended September 30, 2012 and 2011 follow:

		Three Months  Ended September 30,								Nine Months  Ended September 30,
		2012				2011				2012				2011
Volatility			47.57	%			NA				48.83	%			45.97	%
Expected term (in years)			5.00				NA				5.00				5.00
Dividend yield			1.16	%			NA				1.21	%			0.67	%
Risk-free interest rate			0.72	%			NA				0.88	%			2.34	%

Stock Option Activity

Stock option activity from January 1, 2012 to September 30, 2012 follows:

		Underlying Shares				Weighted Average Exercise Price
Outstanding at January 1, 2012			7,081,295			$	20.73
Granted			790,000			$	16.54
Exercised			(17,800	)		$	14.64
Outstanding at September 30, 2012			7,853,495			$	20.33
Exercisable at September 30, 2012			6,669,491			$	20.61

Restricted Stock Activity

Restricted stock activity from January 1, 2012 to September 30, 2012 follows:

		Shares				Weighted Average Grant Date Fair Value
Non-vested restricted stock outstanding at January 1, 2012			1,213,799			$	24.13
Granted			791,650			$	15.61
Vested			(568,679	)		$	22.21
Forfeited			(90,052	)		$	21.19
Non-vested restricted stock outstanding at September 30, 2012			1,346,718			$	20.12

Restricted Stock Unit Activity

Restricted stock unit activity from January 1, 2012 to September 30, 2012 follows:

		Shares				Weighted Average Grant Date Fair Value
Non-vested restricted stock units outstanding at January 1, 2012			17,501			$	23.47
Granted			9,000			$	14.91
Vested			(7,830	)		$	21.08
Forfeited			(1,001	)		$	25.02
Non-vested restricted stock units outstanding at September 30, 2012			17,670			$	20.08

Stock-Settled Performance Units

The total target number of shares with respect to the Stock-Settled Performance Units is set forth below:

		2012 Performance Unit Awards				2011 Performance Unit Awards				2010 Performance Unit Awards
Target number of shares			192,000				144,375				178,750

Fair value of the Stock-Settled Performance Units

The fair value of the Stock-Settled Performance Units is set forth below (in thousands):

		2012 Performance Unit Awards				2011 Performance Unit Awards				2010 Performance Unit Awards
Fair value at date of grant		$	3,065			$	5,569			$	3,117

Compensation Expense Associated with the Stock-Settled Performance Units

These fair value amounts are charged to expense on a straight-line basis over the performance period. Compensation expense associated with the Stock-Settled Performance Units is shown below (in thousands):

		Three Months  Ended September 30,								Nine Months  Ended September 30,
		2012				2011				2012				2011
Stock-based compensation expense associated with Stock-Settled Performance Units		$	979			$	724			$	2,682			$	1,707

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