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, 2012	$ 1,006	$ 1,158,001	$ 2,489,858	$ 58,537	$ (19,676)	$ 3,687,726
Net earnings	0	0	372,590	0	0	372,590
Stock option exercises	4	20,446	0	0	0	20,450
Treasury stock sold	0	1,679	0	0	154	1,833
Currency translation adjustments, net of tax	0	0	0	(10,219)	0	(10,219)
Stock based compensation	0	40,201	0	0	0	40,201
Restricted stock activity	3	(3,598)	0	0	0	(3,595)
Stock option tax benefit, net of shortfalls	0	7,632	0	0	0	7,632
Conversion of senior subordinated convertible notes		(4,713)	0	0	0	(4,713)
Dividends declared	0	0	(49,092)	0	0	(49,092)
Ending Balance at Sep. 30, 2013	$ 1,013	$ 1,219,648	$ 2,813,356	$ 48,318	$ (19,522)	$ 4,062,813