Income Taxes - Additional Information (Detail) - USD ($) $ in Millions		12 Months Ended
	Nov. 04, 2018	Nov. 03, 2018	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Operating Loss Carryforwards [Line Items]
Statutory tax rate			35.00%	35.00%	35.00%
Net impact on remeasurement of US deferred tax assets and liabilities			$ 64.7
Foreign capital loss carry forward			12.0	$ 11.3
Change in valuation allowance			5.5	0.4	$ (0.5)
Unrecognized tax benefits			12.0	$ 12.0	$ 11.4	$ 11.4
Increase resulting from settlements with taxing authorities			13.1
Accrued interest related to unrecognized tax benefits			2.7
Accrued penalties			0.7
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Net operating loss carry forwards			31.7
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Net operating loss carry forwards			13.7
Foreign net operating loss carry forwards			$ 11.5
Bermuda
Operating Loss Carryforwards [Line Items]
Statutory tax rate			0.00%
Scenario, Forecast
Operating Loss Carryforwards [Line Items]
Statutory tax rate	21.00%	23.40%