Inventories (Details) - USD ($)
$ in Millions
Nov. 25, 2016
Feb. 26, 2016
Inventories [Abstract]    
Raw materials and work-in-process $ 77.1 $ 80.4
Finished goods 114.2 96.9
Inventory, net of valuation allowances 191.3 177.3
LIFO reserve 18.7 17.9
Inventory, net of valuation allowances and LIFO reserve 172.6 159.4
FIFO inventory amount $ 78.3 $ 76.3