Income Taxes - Additional Information (Details) $ in Millions	6 Months Ended
	Jul. 29, 2017 USD ($)
Income Taxes [Line Items]
Deferred tax assets	$ 83.9
Deferred tax liabilities	13.5
Deferred tax assets, valuation allowance	70.6
Alternative minimum tax credits carryforwards	2.3
Unrecognized tax benefit	3.0
Federal
Income Taxes [Line Items]
Net operating loss carryforwards	148.7
State and Local Jurisdiction
Income Taxes [Line Items]
Net operating loss carryforwards	$ 88.5
Domestic Tax Authority
Income Taxes [Line Items]
Net operating loss carryforwards, expiration year	2037
Canada
Income Taxes [Line Items]
Net operating loss carryforwards	$ 2.6