Acquisitions - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015	May 29, 2014
Intangible Assets:
Goodwill	$ 517.6	$ 515.5	$ 519.2
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				(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