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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2012
INCOME TAXES [Abstract]  
Consolidated income before provision for income taxes
Consolidated income before provision for income taxes consists of the following for the years ended December 31, 2010, 2011 and 2012 (U.S. dollars in thousands):

 
 
2010
  
2011
  
2012
 
 
 
  
  
 
U.S.                                                            
 
$
141,069
  
$
142,929
  
$
259,309
 
Foreign                                                            
  
66,544
   
83,840
   
85,933
 
    Total                                                    
 
$
207,613
  
$
226,769
  
$
345,242
 

Provisions for current and deferred taxes
The provision for current and deferred taxes for the years ended December 31, 2010, 2011 and 2012 consists of the following (U.S. dollars in thousands):

 
 
2010
  
2011
  
2012
 
Current
 
  
  
 
    Federal                                                    
 
$
45,761
  
$
14,723
  
$
70,727
 
    State                                                    
  
3,825
   
2,245
   
2,425
 
    Foreign                                                    
  
27,450
   
56,973
   
45,851
 
 
  
77,036
   
73,941
   
119,003
 
Deferred
            
    Federal                                                    
  
(2,558
)
  
17,756
   
12,918
 
    State                                                    
  
212
   
582
   
656
 
    Foreign                                                    
  
(3,128
)
  
(18,840
)
  
(8,980
)
 
  
(5,474
)
  
(502
)
  
4,594
 
Provision for income taxes                                                          
 
$
71,562
  
$
73,439
  
$
123,597
 

Principal components of deferred taxes
The principal components of deferred taxes are as follows (U.S. dollars in thousands):

 
 
Year Ended December 31,
 
 
 
2011
  
2012
 
Deferred tax assets:
 
  
 
 Inventory differences  
 
$
3,796
  
$
3,490
 
       Foreign tax credit and other foreign benefits  
  
25,149
   
42,128
 
       Stock-based compensation  
  
9,674
   
13,772
 
 Accrued expenses not deductible until paid  
  
37,992
   
49,258
 
     Foreign currency exchange  
  
16,927
   
10,947
 
     Net operating losses  
  
11,656
   
10,561
 
 Capitalized research and development  
  
14,746
   
10,535
 
 Other  
  
568
   
648
 
          Gross deferred tax assets  
  
120,508
   
141,339
 
Deferred tax liabilities:
        
             Exchange gains and losses  
  
3,300
   
7,504
 
             Intangibles step-up  
  
12,179
   
18,379
 
             Amortization of intangibles  
  
14,457
   
15,840
 
       Foreign outside basis in controlled foreign corporation
  
16,081
   
32,592
 
             Other  
  
11,431
   
20,867
 
                Gross deferred tax liabilities  
  
57,448
   
95,182
 
Valuation allowance  
  
(11,611
)
  
(10,522
)
Deferred taxes, net  
 
$
51,449
  
$
35,635
 

Components of deferred taxes, net on jurisdiction basis
The components of deferred taxes, net on a jurisdiction basis are as follows (U.S. dollars in thousands):

 
 
Year Ended December 31,
 
 
 
2011
  
2012
 
 
 
  
 
Net current deferred tax assets  
 
$
32,867
  
$
40,475
 
Net noncurrent deferred tax assets  
  
29,661
   
26,302
 
   Total net deferred tax assets  
  
62,528
   
66,777
 
 
        
Net current deferred tax liabilities  
  
7
   
2
 
Net noncurrent deferred tax liabilities  
  
11,072
   
31,140
 
            Total net deferred tax liabilities  
  
11,079
   
31,142
 
Deferred taxes, net  
 
$
51,449
  
$
35,635
 

Actual tax rate compared to statutory U.S federal tax rate
The actual tax rate for the years ended December 31, 2010, 2011 and 2012 compared to the statutory U.S. Federal tax rate is as follows:

 
 
Year Ended December 31,
 
 
 
2010
  
2011
  
2012
 
 
 
  
  
 
Income taxes at statutory rate  
  
35.00
%
  
35.00
%
  
35.00
%
Non-deductible expenses  
  
.10
   
.16
   
.12
 
Extraterritorial income tax credit  
  
.00
   
(3.39
)
  
.00
 
Other  
  
(.63
)
  
.62
   
.68
 
 
  
34.47
%
  
32.39
%
  
35.80
%