Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2011

Stock-Based Compensation (Tables) [Abstract]

Stock Options Activity

		Weighted		Weighted
	Equity	Average		Average	Aggregate
	Awards	Exercise		Remaining	Intrinsic
	Outstanding	Price		Contractual Life	Value
					(In thousands)
Balance outstanding at January 1, 2011 ….	3,707,142	$	20.78
Granted ……………………………………	770,245		30.60
Exercised ………………………………….	(1,754,697)		19.35
Forfeited …………………………………..	(291,510)		22.72
Balance outstanding at December 31, 2011	2,431,180	$	24.72	6.71 years	$	29,898
Exercisable at December 31, 2011 ………..	1,127,188	$	24.01	4.53 years	$	14,685

Assumptions Used in Fair Value Calculation of Stock Options

Employee options:
	Risk free interest rate (0.12% to 1.78%) ………………	Weighted average 0.71%
	Expected dividend yield (0.70% to 2.30%) …………….	Weighted average 1.31%
	Expected life …………………………………………..	6.05 years
	Expected volatility (33.42% to 50.12%) ……………….	Weighted average 42.48%
	Forfeiture rate (7.55% to 13.41%) ……………………	Weighted average 9.48%
Employee stock options granted …………………………		770,245
Weighted average grant date fair value …………………		$7.50

Employee options:
	Risk free interest rate (0.26% to 2.16%) ………………	Weighted average 1.01%
	Expected dividend yield ………………………………..	0.80%
	Expected life …………………………………………..	5.48 years
	Expected volatility (34.95% to 56.30%) ……………….	Weighted average 47.87%
	Forfeiture rate (5.00% to 15.43%) ……………………	Weighted average 10.18%
Employee stock options granted …………………………		796,345
Weighted average grant date fair value …………………		$6.00

Employee options:
	Risk free interest rate (0.37% to 2.04%) ………………	Weighted average 1.10%
	Expected dividend yield ……………………………….	—
	Expected life …………………………………………….	5.34 years
	Expected volatility (45.30% to 66.50%) ………………	Weighted average 55.08%
	Forfeiture rate (3.64% to 24.80%) ……………………	Weighted average 11.23%
Employee stock options granted ………………………		678,370
Weighted average grant date fair value ………………		$5.72

Nonvested Restricted Stock Units Activity

	Restricted Awards	Weighted Average
	Outstanding	Grant Date Fair Value
Balance outstanding at January 1, 2011 ………………..	423,497	$	17.52
Granted ……………………………………………….	128,126		30.08
Vested... ………………………………………………	(40,578)		16.89
Forfeited ……………………………………………….	(52,236)		17.42
Balance outstanding at December 31, 2011……………..	458,809	$	21.09