Commitments and Contingencies (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	Jun. 06, 2017	Apr. 28, 2017	Jan. 30, 2015	Jan. 31, 2014	Jan. 28, 2011
Tax Years 2005 - 2006
Gain Contingencies [Line Items]
Recovery of excessive taxes and interest					$ 1.6
Tax Years 2007, 2009 and 2010
Gain Contingencies [Line Items]
Recovery of excessive taxes and interest				$ 1.6
Tax Year 2008
Gain Contingencies [Line Items]
Recovery of excessive taxes and interest			$ 0.9
Tax Years 2011 and 2012 [Member]
Gain Contingencies [Line Items]
Recovery of excessive taxes and interest		$ 2.4
Tax Years 2013, 2014, 2015 and 2016 [Member] [Member]
Gain Contingencies [Line Items]
Recovery of excessive taxes and interest		$ 1.0
Subsequent event
Gain Contingencies [Line Items]
Recovery of excessive taxes and interest	$ 7.5