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Components of Equity and Comprehensive Income (Tables)
9 Months Ended
Sep. 30, 2011
Notes to Financial Statements [Abstract] 
Schedule of Components of Equity Disclosure
The components of equity for the nine months ended September 30, 2011 and 2010 are as follows:
 
 
Shareholders’
equity
 
Noncontrolling
interest
 
Total
equity
Balance at December 31, 2010
$
1,740,906

 
7,248

 
1,748,154

Exercise of stock options
30,367

 
—

 
30,367

Issuance of shares under stock purchase plan
24,224

 
—

 
24,224

Shares repurchased under provisions of stock repurchase plans
(108,572
)
 
—

 
(108,572
)
Stock compensation expense
33,446

 
—

 
33,446

Tax benefits from stock plans
5,068

 
—

 
5,068

Comprehensive income:
 
 
 
 

Net earnings
292,836

 
267

 
293,103

Foreign currency translation adjustments, net of tax of $5,621
(10,160
)
 
(354
)
 
(10,514
)
Reclassification adjustments for foreign currency realized losses, net of tax of $391
618

 
—

 
618

Total comprehensive income
283,294

 
(87
)
 
283,207

Dividends paid ($.25 per share)
(53,014
)
 
—

 
(53,014
)
Distributions to noncontrolling interest
—

 
(822
)
 
(822
)
Balance at September 30, 2011
$
1,955,719

 
6,339

 
1,962,058

 
 
 
 
 
 
Balance at December 31, 2009
$
1,553,007

 
8,340

 
1,561,347

Exercise of stock options
40,408

 
—

 
40,408

Issuance of shares under stock purchase plan
20,550

 
—

 
20,550

Shares repurchased under provisions of stock repurchase plans
(139,450
)
 
—

 
(139,450
)
Stock compensation expense
33,047

 
—

 
33,047

Tax benefits from stock plans
11,589

 
—

 
11,589

Comprehensive income:
 
 
 
 
 
Net earnings
247,670

 
87

 
247,757

Foreign currency translation adjustments, net of tax of $2,303
4,198

 
32

 
4,230

Total comprehensive income
251,868

 
119

 
251,987

Dividends paid ($.20 per share)
(42,397
)
 
—

 
(42,397
)
Distributions to noncontrolling interest
—

 
(963
)
 
(963
)
Balance at September 30, 2010
$
1,728,622

 
7,496

 
1,736,118

Schedule of Comprehensive Income (Loss)
The components of total comprehensive income for interim periods are as follows:
 
Three months ended
 
Nine months ended
 
September 30,
 
September 30,
 
2011
 
2010
 
2011
 
2010
Net earnings
$
106,876

 
$
96,038

 
$
293,103

 
$
247,757

Foreign currency translation adjustments, net of tax of $13,476 and $11,984 for the three months ended September 30, 2011 and 2010, and $5,621 and $2,303 for the nine months ended September 30, 2011 and 2010
(24,707
)
 
21,983

 
(10,514
)
 
4,230

Reclassification adjustments for foreign currency realized losses, net of tax of $391 for the three months and nine months ended September 30, 2011
618

 
—

 
618

 
—

Comprehensive income
82,787

 
118,021

 
283,207

 
251,987

Less: comprehensive income (loss) attributable to the noncontrolling interest
59

 
71

 
(87
)
 
119

Comprehensive income attributable to shareholders
$
82,728

 
$
117,950

 
$
283,294

 
$
251,868