Components of Equity (Tables)

3 Months Ended

Mar. 31, 2014

Stockholders' Equity Note [Abstract]

Schedule of Components of Equity Disclosure

The components of equity for the three months ended March 31,2014 and 2013 are as follows:

	Shareholders’ equity			Noncontrolling interest		Total equity
Balance at December 31, 2013	$	2,084,783		1,548		2,086,331
Exercise of stock options	7,892			—		7,892
Shares repurchased under provisions of stock repurchase plans	(226,725		)	—		(226,725	)
Stock compensation expense	10,294			—		10,294
Tax benefits from stock plans, net	489			—		489
Net earnings	83,824			371		84,195
Other comprehensive (loss) income	(2,426		)	49		(2,377	)
Distributions to noncontrolling interest	—			(85	)	(85	)
Balance at March 31, 2014	$	1,958,131		1,883		1,960,014
Balance at December 31, 2012	$	2,027,699		4,871		2,032,570
Exercise of stock options	10,929			—		10,929
Shares repurchased under provisions of stock repurchase plans	(17,681		)	—		(17,681	)
Stock compensation expense	11,005			—		11,005
Tax benefits from stock plans, net	934			—		934
Net earnings	80,315			295		80,610
Other comprehensive loss	(9,999		)	(14	)	(10,013	)
Purchase of noncontrolling interest	(507		)	(3,226	)	(3,733	)
Balance at March 31, 2013	$	2,102,695		1,926		2,104,621