Components of Equity (Tables)

6 Months Ended

Jun. 30, 2012

Stockholders' Equity Note [Abstract]

Schedule of Components of Equity Disclosure

The components of equity for the six months ended2012 and 2011 are as follows:

	Shareholders’ equity			Noncontrolling interest		Total equity
Balance at December 31, 2011	$	2,003,638		6,431		2,010,069
Exercise of stock options	20,402			—		20,402
Shares repurchased under provisions of stock repurchase plans	(106,266		)	—		(106,266	)
Stock compensation expense	21,526			—		21,526
Tax benefits from stock plans	4,232			—		4,232
Net earnings	160,662			81		160,743
Other comprehensive income (loss)	(1,381		)	90		(1,291	)
Dividends paid ($.28 per share)	(59,358		)	—		(59,358	)
Balance at June 30, 2012	$	2,043,455		6,602		2,050,057
Balance at December 31, 2010	$	1,740,906		7,248		1,748,154
Exercise of stock options	23,625			—		23,625
Shares repurchased under provisions of stock repurchase plans	(65,274		)	—		(65,274	)
Stock compensation expense	20,708			—		20,708
Tax benefits from stock plans	4,531			—		4,531
Net earnings	186,232			(5	)	186,227
Other comprehensive income (loss)	14,334			(141	)	14,193
Dividends paid ($.25 per share)	(53,014		)	—		(53,014	)
Balance at June 30, 2011	$	1,872,048		7,102		1,879,150