CONDENSED CONSOLIDATED STATEMENT OF EQUITY AND COMPREHENSIVE INCOME (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional paid-in Capital	Comprehensive Income	Retained earnings	Accumulated other comprehensive income	Treasury Stock	Noncontrolling Interest
Balances at Mar. 31, 2011	$ 591,033	$ 11,777	$ 837,439		$ 459,096	$ 15,991	$ (739,125)	$ 5,855
Balances (in shares) at Mar. 31, 2011		117,767,535					(37,183,774)
Increase (Decrease) in Stockholders' Equity
Employee stock awards, benefit plans and other issuances	7,318	89	10,195				(2,966)
Employee stock awards, benefit plans and other issuances (in shares)		889,657					(220,773)
Restricted stock units vested		87	(87)
Restricted stock units vested (in shares)		872,129
Non-cash share-based compensation	6,910		6,778				132
Non-cash share-based compensation (in shares)							8,262
Acquisition of treasury stock	(43,123)						(43,123)
Acquisition of treasury stock (in shares)							(4,039,496)
Comprehensive income:
Foreign currency translation	(4,190)			(4,190)		(4,190)
Unrealized loss on interest rate swap	194			194		194
Net earnings (loss)	25,643			31,197	31,197			(5,554)
Total comprehensive income				27,201
Balances at Dec. 31, 2011	$ 583,785	$ 11,953	$ 854,325		$ 490,293	$ 11,995	$ (785,082)	$ 301
Balances (in shares) at Dec. 31, 2011		119,529,321					(41,435,781)