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Acquisitions (Details 3) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 04, 2017
Feb. 27, 2016
Business Combinations [Abstract]    
Net sales $ 1,196,504 $ 1,054,281
Net earnings $ 100,124 $ 66,203
Basic (USD per share) $ 3.48 $ 2.28
Diluted (USD per share) $ 3.47 $ 2.25