Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings (Deficit)
Beginning Balance	$ 1,052,783	$ 435	$ 748,517	$ (13,855)	$ 317,686
Stock issued for benefit plans	1,622	0	(1,171)	2,793	0
Stock options exercised	4	0	4	0	0
Purchase of treasury shares	(1,513)	0	0	(1,513)	0
Adjustments to Additional Paid in Capital, Income Tax Deficiency from Share-based Compensation	(1,607)	0	(1,607)	0	0
Employee stock purchase plan	946	1	945	0	0
Issuance of restricted stock	0	3	(3)	0	0
Amortization of share-based compensation	15,557	0	15,557	0	0
Net Income (Loss)	(2,442)	0	0	0	(2,442)
Beginning Balance	1,065,350	439	762,242	(12,575)	315,244
Stock issued for benefit plans	1,909	0	(1,876)	3,785	0
Purchase of treasury shares	(1,065)	0	0	(1,065)	0
Employee stock purchase plan	824	1	823	0	0
Issuance of restricted stock	0	4	(4)	0	0
Amortization of share-based compensation	10,787	0	10,787	0	0
Net Income (Loss)	(283,427)	0	0	0	(283,427)
Beginning Balance	794,378	444	771,972	(9,855)	31,817
Stock issued for benefit plans	919	0	(1,714)	7,518	(4,885)
Purchase of treasury shares	(154)	0	0	(154)	0
Employee stock purchase plan	302	1	301	0	0
Issuance of restricted stock	0	3	(3)	0	0
Amortization of share-based compensation	5,802	0	5,802	0	0
Net Income (Loss)	(1,653,971)	0	0	0	(1,653,971)
Beginning Balance	$ (852,724)	$ 448	$ 776,358	$ (2,491)	$ (1,627,039)