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Inventories (Details Textual) - USD ($)
$ in Millions
3 Months Ended
Jul. 01, 2018
Jul. 02, 2017
Apr. 01, 2018
Inventory Disclosure [Abstract]      
Finished goods (LIFO basis) $ 49.5   $ 44.0
Increase (decrease) in LIFO reserve $ 0.3 $ 0.5