Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Operating Loss Carryforwards [Line Items]
Statutory tax rate	35.00%	35.00%	35.00%
Foreign capital loss carry forward	$ 11.3	$ 13.4
Change in valuation allowance	0.4	0.5	$ (7.5)
Unrecognized tax benefits	12.0	$ 11.4	$ 11.4	$ 4.6
Increase resulting from settlements with taxing authorities	11.6
Accrued interest related to unrecognized tax benefits	3.1
Accrued penalties	0.7
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Net operating loss carry forwards	43.8
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Net operating loss carry forwards	13.7
Foreign net operating loss carry forwards	$ 11.7
Bermuda
Operating Loss Carryforwards [Line Items]
Statutory tax rate	0.00%