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Accrued Expenses and Other Current Liabilities - Summary of Activity in Warranty Reserve (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Movement in Standard Product Warranty Accrual [Roll Forward]      
Balance at beginning of period $ 44.9 $ 19.1 $ 18.5
Warranty obligations acquired 0.0 28.4 0.0
Warranty expense 10.8 7.4 7.4
Utilized (13.8) (10.0) (6.8)
Balance at end of period $ 41.9 $ 44.9 $ 19.1