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Comprehensive Income (Details) (USD $)
In Thousands
3 Months Ended 6 Months Ended
Aug. 26, 2011
Aug. 27, 2010
Aug. 26, 2011
Aug. 27, 2010
Comprehensive Income, Net of Tax, Attributable to Parent [Abstract]        
Net income $ 14,476 $ 8,532 $ 47,069 $ 39,371
Other comprehensive (loss) income :        
Foreign currency translation adjustments (1,444) 10,082 3,038 1,084
Pension and postretirement benefit adjustments, net of tax 87 (639) 71 (2,084)
Unrealized (loss) gain on securities, net of tax   (1) 1  
Total comprehensive income $ 13,119 $ 17,974 $ 50,179 $ 38,371