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Other Income and Expense (Details) (USD $)
In Thousands
3 Months Ended6 Months Ended
Aug. 26, 2011
Aug. 27, 2010
Aug. 26, 2011
Aug. 27, 2010
Other operating income and expenses    
Gain on sale of intellectual properties$ (4,500) $ (4,500) 
Miscellaneous(622)[1](936)[1](1,545)[1](1,530)[1]
Other operating income - net$ (5,122)$ (936)$ (6,045)$ (1,530)
[1]"Miscellaneous" includes, among other things, income/loss from equity securities.