Commitments and Contingencies - Narrative (Details) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended	12 Months Ended
	May. 29, 2014 $ / shares	Aug. 01, 2015 USD ($)	Jan. 30, 2016 USD ($) Property shares	Jan. 31, 2015 USD ($)	May. 28, 2014 lawsuit
Loss Contingencies [Line Items]
Number of property leases in United Kingdom | Property			31
Number of additional properties sublet | Property			17
Capital commitments related to expansion and renovation of stores			$ 28.9	$ 42.9
Common Stock Appraisal Demanded And Not Withdrawn Shares | shares			8.8
Zale Corporation
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number | lawsuit					3
Zale Corporation
Loss Contingencies [Line Items]
Consideration Received By Acquiree Shareholders, Per Share | $ / shares	$ 21
Loss Contingency Accrual, Provision		$ 34.2
Loss Contingency, Accrual, Current		$ 34.2