XML 24 R13.htm IDEA: XBRL DOCUMENT v2.3.0.15
Comprehensive Income (Tables)
9 Months Ended
Sep. 30, 2011
Comprehensive Income [Abstract] 
Components of comprehensive income
The table below presents the components of comprehensive income (in thousands):

 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
 
 
2011
 
2010
 
2011
 
2010
 
Net income
$
24,169
 
$
22,784
 
$
82,108
 
$
69,443
 
Foreign currency translation adjustments
 
(1,233
)
 
(1,283
)
 
608
   
(2,921
)
Unrealized gains on interest rate swaps (1)
 
502
   
172
   
1,363
   
499
 
Comprehensive income
$
23,438
 
$
21,673
 
$
84,079
 
$
67,021
 

(1)
Amounts are shown net of tax.

Components of and changes in accumulated other comprehensive income
The table below presents the components of and changes in Accumulated other comprehensive income as of and for the nine month period ended September 30, 2011 (in thousands):

  
 
Foreign Currency Translation
   
Unrealized Gains (Losses) on Interest Rate Swaps (1)
   
Total
 
Balance at December 31, 2010
$
3,085
 
$
(2,033
)
$
1,052
 
Net change
 
608
   
1,363
   
1,971
 
Balance at September 30, 2011
$
3,693
 
$
(670
)
$
3,023
 
 
(1)
Amounts are shown net of tax.