Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2011

Stock-Based Compensation Plans [Abstract]

Stock-based compensation expense

	Year Ended December 31,
	2011		2010		2009
	(In thousands)
Employee:
Restricted stock and performance shares	$	5,856	$	6,588	$	5,040
Stock options		324		1,728		2,858
		6,180		8,316		7,898
Non-employee directors:
Restricted stock		679		570		373
Stock options		—		83		143
		679		653		516
Total stock-based compensation	$	6,859	$	8,969	$	8,414

Assumptions used for the Black-Scholes option-pricing model to determine the per share weighted average fair value for options granted

	2011			2010			2009
Expected life (years)		9.9			5.0			5.4
Risk-free interest rate		3.3	%		2.2	%		2.4	%
Expected volatility		48.0	%		50.0	%		49.8	%
Expected dividend yield		1.3	%		2.0	%		0.0	%

Stock option activity

	Number of Shares			Weighted-Average Exercise Price		Remaining Contractual Term		Intrinsic Value
	(In thousands)
Outstanding at December 31, 2008		5,287,175		$	9.17
Granted		140,239		$	9.66
Canceled		(199,932	)	$	11.07
Exercised		(60,924	)	$	9.54
Outstanding at December 31, 2009		5,166,558		$	9.10
Granted		8,239		$	14.10
Canceled		(12,575	)	$	13.85
Exercised		(758,660	)	$	9.17
Outstanding at December 31, 2010		4,403,562		$	9.09		4.4
Granted		340,771		$	21.60
Canceled		(211,323	)	$	16.16
Exercised		(1,605,273	)	$	10.21			$	24,192
Outstanding at December 31, 2011		2,927,737		$	9.42		8.1	$	60,589
Exercisable at December 31, 2011		2,679,941		$	8.36		8.1	$	58,287

Summary of performance of share activity

Performance year	2011		2010		2009
Share pay-out at plan, net of forfeitures of 14,563 for 2011		63,102		87,035		137,778
Actual share pay-out in following year		94,653		130,552		206,664
Fair value per share on grant date	$	21.56	$	14.29	$	7.94

Restricted stock and performance share activity

	Number of Restricted Shares			Weighted- Average Grant Date Fair Value
Outstanding at December 31, 2008		647,994		$	12.14
Granted		659,520
Canceled		(500	)
Vested		(272,875	)
Outstanding at December 31, 2009		1,034,139		$	9.64
Granted		549,264
Performance share pay-out		206,664
Canceled		(71,152	)
Vested		(474,051	)
Outstanding at December 31, 2010		1,244,864		$	11.23
Granted		435,548
Performance share pay-out		130,552
Canceled		(279,081	)
Vested		(574,172	)
Outstanding at December 31, 2011		957,711		$	15.69