Acquisitions - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions		Oct. 31, 2015	Jan. 31, 2015	Nov. 01, 2014	May. 29, 2014	Feb. 01, 2014
Intangible Assets:
Goodwill		$ 517.6	$ 519.2	$ 524.3		$ 26.8
Zale
Business Acquisition [Line Items]
Cash and cash equivalents					$ 28.8
Inventories					856.7
Other current assets					22.4
Property, plant and equipment					103.6
Intangible Assets:
Trade names					417.0
Favorable leases					50.2
Deferred tax assets					132.8
Other assets					25.4
Current liabilities	[1]				(206.3)
Deferred revenue					(93.3)
Unfavorable leases					(50.5)
Unfavorable contracts					(65.6)
Deferred tax liabilities					(234.0)
Other liabilities					(28.6)
Fair value of net assets acquired					958.6
Goodwill					499.4
Total consideration transferred					$ 1,458.0

[1] Includes loans and overdrafts, accounts payable, income taxes payable, accrued expenses and other current liabilities.