Components of Equity (Tables)

3 Months Ended

Mar. 31, 2012

Stockholders' Equity Note [Abstract]

Schedule of Components of Equity Disclosure

The components of equity for the three 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	12,920			—		12,920
Shares repurchased under provisions of stock repurchase plans	(21,865		)	—		(21,865	)
Stock compensation expense	10,600			—		10,600
Tax benefits from stock plans	3,426			—		3,426
Net earnings	76,707			15		76,722
Other comprehensive income	10,028			134		10,162
Balance at March 31, 2012	$	2,095,454		6,580		2,102,034
Balance at December 31, 2010	$	1,740,906		7,248		1,748,154
Exercise of stock options	7,804			—		7,804
Shares repurchased under provisions of stock repurchase plans	(19,584		)	—		(19,584	)
Stock compensation expense	10,472			—		10,472
Tax benefits from stock plans	2,246			—		2,246
Net earnings	91,232			(25	)	91,207
Other comprehensive income (loss)	8,833			(12	)	8,821
Balance at March 31, 2011	$	1,841,909		7,211		1,849,120