Condensed Consolidated Statements of Changes in Stockholders' Equity (unaudited) (USD $) In Thousands	Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive earnings	Treasury stock	Total
Beginning Balance at Dec. 31, 2011	$ 987	$ 1,117,093	$ 2,063,110	$ 33,800	$ (19,894)	$ 3,195,096
Net earnings	0	0	223,122	0	0	223,122
Stock option exercises	6	28,308	0	0	0
Treasury stock sold	0	1,009	0	0	114
Currency translation adjustments, net of tax	0	0	0	(14,047)	0	(14,047)
Stock based compensation	0	19,228	0	0	0
Restricted stock activity	3	(5,902)	0	0	0
Stock option tax benefit, net of shortfalls	0	10,966	0	0	0
Conversion of senior subordinated convertible notes	0	(17,082)	0	0	0
Dividends declared	0	0	(26,810)	0	0
Ending Balance at Jun. 30, 2012	$ 996	$ 1,153,620	$ 2,259,422	$ 19,753	$ (19,780)	$ 3,414,011