Taxes on Income - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018
Income Tax Examination [Line Items]
Federal net operating loss carryforwards	$ 37.9	$ 37.9
State net operating loss carryforwards	22.1	$ 22.1
Federal net operating loss carryforwards that do not expire	20.8
Federal net operating loss carryforwards that expire in 2026	17.1
Foreign net operating loss carryforwards	61.8
Foreign tax and other credit carryforwards	2.9
Valuation allowance provided during the year to reduce the carrying value of the underlying deferred tax assets	12.3
Deferred tax assets	0.0
Valuation Allowance	$ 19.2
U.S. corporate income tax rates	21.00%	32.80%
Decrease in deferred tax assets and the associated valuation allowance		$ 7.4
Federal tax
Income Tax Examination [Line Items]
Period of statute of limitations	3 years
State tax
Income Tax Examination [Line Items]
Period of statute of limitations	4 years