Condensed Consolidated Statement of Changes in Stockholders' Equity (USD $) In Thousands	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Common Stock Held in Treasury	Accumulated Other Comprehensive Income	Comprehensive Income
Balance at Dec. 31, 2010	$ 870,068	$ 0	$ 518	$ 246,085	$ 833,133	$ (220,161)	$ 10,493
Increase (Decrease) in Stockholders' Equity
Net (loss)	(176,117)	0	0	0	(176,117)	0	0	(176,117)
Other comprehensive income:
Currency translation adjustment	(3,574)	0					(3,574)	(3,574)
Unrealized holding gain on securities available-for-sale (net of tax)	(86)	0					(86)	(86)
Comprehensive (loss) income	(179,777)	0						(179,777)
Issuance of common stock for stock options (111,792 shares) share awards (641,733 shares) and employee stock unit awards (271,623 shares), including tax benefit decrease of $2.6 million	5,394	0		(15,928)		21,322
Issuance of common stock for the employee stock purchase plan (108,622 shares)	1,254	0	1	1,253
Shares withheld for net settlements of share-based awards (307,953 shares)	(5,312)	0				(5,312)
Purchase of common stock for treasury (1,964,500 shares)	(28,204)	0				(28,204)
Share-based compensation	15,790	0		15,790
Balance at Sep. 30, 2011	$ 679,213	$ 0	$ 519	$ 247,200	$ 657,016	$ (232,355)	$ 6,833