Commitments and Contingencies (Details) - USD ($) $ in Millions		12 Months Ended
	Mar. 04, 2015	Jan. 27, 2017	Jan. 29, 2016
Tax Years 2005 - 2007 and 2009 - 2012 [Member] [Member]
Gain Contingencies
Recovery of excessive taxes and interest	$ 6.5
Tax Years 2005 - 2006
Gain Contingencies
Recovery of excessive taxes and interest	1.6	$ 2.4
Tax Year 2008
Gain Contingencies
Recovery of excessive taxes and interest			$ 0.9
Selling and Administrative Costs | Tax Years 2007, 2009 and 2010
Gain Contingencies
Recovery of excessive taxes and interest	$ 1.6