Components of Equity (Tables)

6 Months Ended

Jun. 30, 2017

Stockholders' Equity Note [Abstract]

Schedule of Components of Equity Disclosure

The components of equity for the six months ended June 30,2017 and 2016 are as follows:

	Shareholders’ equity			Noncontrolling interest	Total equity
Balance at December 31, 2016	$	1,844,638		2,575	1,847,213
Exercise of stock options	96,866			—	96,866
Shares repurchased under provisions of stock repurchase plans	(137,960		)	—	(137,960	)
Stock compensation expense	27,826			—	27,826
Net earnings	202,115			207	202,322
Other comprehensive income	18,085			11	18,096
Dividends paid ($0.42 per share)	(75,726		)	—	(75,726	)
Balance at June 30, 2017	$	1,975,844		2,793	1,978,637
Balance at December 31, 2015	$	1,691,993		2,683	1,694,676
Exercise of stock options	90,123			—	90,123
Shares repurchased under provisions of stock repurchase plans	(166,407		)	—	(166,407	)
Stock compensation expense	23,788			—	23,788
Tax benefits from stock plans, net	(2,444		)	—	(2,444	)
Net earnings	212,636			850	213,486
Other comprehensive (loss) income	(774		)	57	(717	)
Dividends paid ($0.40 per share)	(73,000		)	—	(73,000	)
Balance at June 30, 2016	$	1,775,915		3,590	1,779,505