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COMPREHENSIVE INCOME (Detail) (USD $)
In Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Statement Of Income And Comprehensive Income Abstract        
Net earnings $ 31,796 $ 25,898 $ 56,312 $ 42,233
Foreign currency translation adjustments, net 7,516 (20,958) 25,210 (5,239)
Pension and postretirement adjustment, net 551 548 1,022 1,262
Total comprehensive income $ 39,863 $ 5,488 $ 82,544 $ 38,256