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Other Comprehensive Income (Tables)
6 Months Ended
Jun. 30, 2012
Notes To Financial Statements [Abstract]  
Schedule of Comprehensive Income (Loss)
Components of other comprehensive income were as follows (in thousands):
 
Three Months Ended
 
Six Months Ended
 
Jun 30, 2012

 
Jul 2, 2011

 
Jun 30, 2012

 
Jul 2, 2011

Net earnings
$
31,045

 
$
19,628

 
$
53,140

 
$
37,453

Currency translation adjustment
(7,527
)
 
1,285

 
(1,542
)
 
1,844

Pension liability adjustment, net of tax
169

 

 
141

 

Unrealized gain on interest rate swaps, net of tax
(95
)
 
(272
)
 
(53
)
 
(198
)
Comprehensive income
$
23,592

 
$
20,641

 
$
51,686

 
$
39,099