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Components of Equity (Tables)
 6 Months Ended
Jun. 30, 2014
Stockholders' Equity Note [Abstract]  
Schedule of Components of Equity Disclosure
The components of equity for the six months ended June 30, 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
30,017

 
—

 
30,017

Shares repurchased under provisions of stock repurchase plans
(358,116
)
 
—

 
(358,116
)
Stock compensation expense
22,171

 
—

 
22,171

Tax benefits from stock plans, net
984

 
—

 
984

Net earnings
175,126

 
797

 
175,923

Other comprehensive income
2,656

 
63

 
2,719

Dividends paid ($0.32 per share)
(62,807
)
 
—

 
(62,807
)
Distributions to noncontrolling interest
—

 
(85
)
 
(85
)
Balance at June 30, 2014
$
1,894,814

 
2,323

 
1,897,137

 
 
 
 
 
 
Balance at December 31, 2012
$
2,027,699

 
4,871

 
2,032,570

Exercise of stock options
18,477

 
—

 
18,477

Shares repurchased under provisions of stock repurchase plans
(39,281
)
 
—

 
(39,281
)
Stock compensation expense
22,045

 
—

 
22,045

Tax benefits from stock plans, net
1,516

 
—

 
1,516

Net earnings
172,630

 
643

 
173,273

Other comprehensive loss
(20,839
)
 
(187
)
 
(21,026
)
Dividends paid ($0.30 per share)
(61,899
)
 
—

 
(61,899
)
Purchase of noncontrolling interest
(507
)
 
(3,226
)
 
(3,733
)
Balance at June 30, 2013
$
2,119,841

 
2,101

 
2,121,942