Accrued Expenses and Other Current Liabilities - Accrued Expenses and Other Current Liabilities (Detail) - USD ($) $ in Millions	Jan. 28, 2017	Jan. 30, 2016
Payables and Accruals [Abstract]
Accrued compensation	$ 105.8	$ 162.3
Other liabilities	33.0	36.0
Other taxes	45.1	45.1
Payroll taxes	9.9	11.5
Accrued expenses	284.4	243.4
Total accrued expenses and other current liabilities	$ 478.2	$ 498.3