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Income Taxes (Schedule of Unrecognized Tax Benefits) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 01, 2014
Mar. 02, 2013
Mar. 03, 2012
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Gross unrecognized tax benefits at beginning of year $ 5,516 $ 7,125 $ 10,676
Gross increases in tax positions for prior years 44 236 136
Gross decreases in tax positions for prior years (616) (1,480) (462)
Gross increases based on tax positions related to the current year 326 621 623
Gross decreases based on tax positions related to the current year (40) (56) (78)
Settlements (84) (682) (1,200)
Statute of limitations expiration (809) (248) (2,570)
Unrecognized tax benefits acquired in connection with Alumicor 94 0 0
Gross unrecognized tax benefits at end of year $ 4,431 $ 5,516 $ 7,125