Components of Equity (Tables)

3 Months Ended

Mar. 31, 2017

Stockholders' Equity Note [Abstract]

Schedule of Components of Equity Disclosure

The components of equity for the three months ended March 31,2017 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	45,365			—		45,365
Shares repurchased under provisions of stock repurchase plans	(53,908		)	—		(53,908	)
Stock compensation expense	10,623			—		10,623
Net earnings	93,264			303		93,567
Other comprehensive income (loss)	8,914			(54	)	8,860
Balance at March 31, 2017	$	1,948,896		2,824		1,951,720
Balance at December 31, 2015	$	1,691,993		2,683		1,694,676
Exercise of stock options	41,635			—		41,635
Shares repurchased under provisions of stock repurchase plans	(70,292		)	—		(70,292	)
Stock compensation expense	10,831			—		10,831
Tax benefits from stock plans, net	(966		)	—		(966	)
Net earnings	96,584			463		97,047
Other comprehensive income	9,466			114		9,580
Balance at March 31, 2016	$	1,779,251		3,260		1,782,511