Equity Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2011

Equity Incentive Plans [Abstract]

Schedule Of Equity Incentive Plans, Stock Option Activity

	Shares			Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Life (in years)		Aggregate Intrinsic Value (in thousands)
Balance, December 31, 2008		5,206,374		$	27.72		5.6	$	6,220
Exercised		(1,280	)		10.63
Forfeited		(35,441	)		29.58
Balance, December 31, 2009		5,169,653		$	27.71		4.6	$	—
Forfeited		(222,305	)		23.23
Balance, December 31, 2010		4,947,348			27.93		3.7	$	334
Exercised		(86,860	)	$	15.05
Forfeited		(503,503	)		22.72
Balance, December 31, 2011		4,356,985			28.86		3.0	$	37
Exercisable, December 31, 2011		4,139,531		$	29.15		2.9	$	37

Schedule Of Stock Options Outstanding And Exercisable

	Outstanding
Exercise Price	Shares		Weighted-Average Remaining Contractual Life (in Years)	Exercisable Shares
11.34		10,240	1.0		10,240
16.28		154,376	0.1		154,376
17.29		10,240	0.0		10,240
19.93		336,164	1.1		336,164
23.37		654,495	6.1		437,041
24.80		884,056	1.8		884,056
28.70		477,000	2.1		477,000
32.26		10,000	2.5		10,000
32.47		245,060	3.2		245,060
33.54		264,694	3.4		264,694
37.00		610,800	3.0		610,800
38.38		15,000	2.9		15,000
36.90		258,630	3.8		258,630
36.24		414,230	4.1		414,230
38.26		12,000	4.3		12,000
		4,356,985	3.0		4,139,531

Schedule Of Equity Incentive Plans, Restricted Stock Units Award Activity

	Units
Balance at December 31, 2008		79,537
Vested		(12,963	)
Cancelled or forfeited		(6,553	)
Balance at December 31, 2009		60,021
Vested		(15,006	)
Cancelled or forfeited		(6,055	)
Balance at December 31, 2010		38,960
Granted		142,647
Vested		(12,633	)
Cancelled or forfeited		(2,578	)
Balance at December 31, 2011		166,396

Schedule Of Tax (Short-Fall) From Equity Incentive Plans

	2011			2010			2009
	(In thousands)
(Short-fall)/benefit of tax deductions in excess of grant-date fair value.	$	(290	)	$	(539	)	$	(196	)
Benefit of tax deductions on grant-date fair value.		362			539			198
Total benefit of tax deductions	$	72		$	—		$	2