Acquisitions (Narrative) (Details) - Futura Sport Ag [Member] $ in Millions		12 Months Ended
	Aug. 03, 2015 USD ($) store	Jan. 30, 2016
Business Acquisition [Line Items]
Effective date of acquisition		Aug. 03, 2015
Total consideration | $	$ 2
Number of stores acquired through business acquisition | store	10