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Working Capital (Schedule of Inventory) (Details) - USD ($)
$ in Thousands
Mar. 03, 2018
Mar. 04, 2017
Working Capital [Abstract]    
Raw materials $ 35,049 $ 22,761
Work-in-process 17,406 16,154
Finished goods 28,453 29,372
Costs and earnings in excess of billings on uncompleted contracts 4,120 5,122
Total inventories $ 85,028 $ 73,409