XML 75 R27.htm IDEA: XBRL DOCUMENT

Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 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 month periods ended March 31, 2012 and 2011 follow:


	Three Months Ended March 31,
	2012			2011
Volatility		48.72	%		47.43	%
Expected term (in years)		5.00			5.00
Dividend yield		1.00	%		0.93	%
Risk-free interest rate		0.83	%		2.01	%

Stock Option Activity

Stock option activity from January 1, 2012 to March 31, 2012 follows:


	Underlying Shares			Weighted Average Exercise Price
Outstanding at January 1, 2012		7,081,295		$	20.73
Granted		40,000		$	19.98
Exercised		(13,300	)	$	14.64

Outstanding at March 31, 2012		7,107,995		$	20.74

Exercisable at March 31, 2012		6,279,644		$	20.52

Restricted Stock Activity

Restricted stock activity from January 1, 2012 to March 31, 2012 follows:


	Shares			Weighted Average Grant Date Fair Value
Non-vested restricted stock outstanding at January 1, 2012		1,213,799		$	24.13
Granted		12,000		$	19.98
Vested		(59,459	)	$	15.49
Forfeited		(5,136	)	$	23.70

Non-vested restricted stock outstanding at March 31, 2012		1,161,204		$	24.53

Restricted Stock Unit Activity

Restricted stock unit activity from January 1, 2012 to March 31, 2012 follows:


	Shares		Weighted Average Grant Date Fair Value
Non-vested restricted stock units outstanding at January 1, 2012		17,501	$	23.47
Granted		—	$	—
Vested		—	$	—
Forfeited		—	$	—

Non-vested restricted stock units outstanding at March 31, 2012		17,501	$	23.47