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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Nov. 23, 2018
Feb. 23, 2018
Statement of Financial Position [Abstract]    
Accounts receivable, allowances $ 8.1 $ 11.1
Property, plant and equipment, accumulated depreciation 1,005.6 998.1
Other intangible assets, accumulated amortization $ 52.7 $ 44.6