Accrued Expenses and Other Current Liabilities - Accrued Expenses and Other Current Liabilities (Detail) - USD ($) $ in Millions	Jan. 30, 2016	Jan. 31, 2015
Payables and Accruals [Abstract]
Accrued compensation	$ 162.3	$ 156.2
Other liabilities	36.0	37.9
Other taxes	45.1	43.0
Payroll taxes	11.5	11.6
Accrued expenses	243.4	233.7
Total accrued expenses and other current liabilities	$ 498.3	$ 482.4