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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Nov. 24, 2017
Feb. 24, 2017
Statement of Financial Position [Abstract]    
Accounts receivable, allowances $ 11.7 $ 11.2
Property, plant and equipment, accumulated depreciation 1,011.0 959.6
Other intangible assets, accumulated amortization $ 44.4 $ 43.2