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Components of Equity (Tables)
 6 Months Ended
Jun. 30, 2016
Stockholders' Equity Note [Abstract]  
Schedule of Components of Equity Disclosure
The components of equity for the six months ended June 30, 2016 and 2015 are as follows:
 
Shareholders’
equity
 
Noncontrolling
interest
 
Total
equity
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 deficiency 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

 
 
 
 
 
 
Balance at December 31, 2014
$
1,868,408

 
3,200

 
1,871,608

Exercise of stock options
60,095

 
—

 
60,095

Shares repurchased under provisions of stock repurchase plans
(205,505
)
 
—

 
(205,505
)
Stock compensation expense
21,570

 
—

 
21,570

Tax benefits from stock plans, net
1,331

 
—

 
1,331

Net earnings
224,464

 
1,197

 
225,661

Other comprehensive loss
(14,961
)
 
(428
)
 
(15,389
)
Dividends paid ($0.36 per share)
(68,781
)
 
—

 
(68,781
)
Distributions to noncontrolling interest
—

 
(857
)
 
(857
)
Balance at June 30, 2015
$
1,886,621

 
3,112

 
1,889,733