Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Jan. 30, 2016	Jan. 31, 2015
Assets
Foreign property, plant and equipment	$ 5.4	$ 7.0
Allowances for doubtful accounts	54.1	46.0
Revenue deferral	188.5	172.7
Derivative instruments	1.6
Straight-line lease payments	35.0	31.8
Deferred compensation	13.9	11.1
Share-based compensation	7.4	5.8
Other temporary differences	52.4	49.8
Net operating losses and foreign tax credits	80.6	91.8
Value of foreign capital losses	13.4	15.0
Total gross deferred tax assets (liabilities)	452.3	431.0
Valuation allowance	(31.9)	(32.4)
Deferred tax assets (liabilities)	420.4	398.6
(Liabilities)
Intangible assets	(156.2)	(133.0)
US property, plant and equipment	(73.6)	(50.7)
Inventory valuation	(252.8)	(256.4)
Derivative instruments		(2.2)
Retirement benefit obligations	(10.3)	(7.5)
Deferred tax assets (liabilities)	(492.9)	(449.8)
Total
Intangible assets	(156.2)	(133.0)
Property, plant and equipment		7.0
Inventory valuation	(252.8)	(256.4)
Allowances for doubtful accounts	54.1	46.0
Revenue deferral	188.5	172.7
Derivative instruments	1.6	(2.2)
Straight-line lease payments	35.0	31.8
Deferred compensation	13.9	11.1
Retirement benefit obligations	(10.3)	(7.5)
Share-based compensation	7.4	5.8
Other temporary differences	52.4	49.8
Net operating losses and foreign tax credits	80.6	91.8
Value of foreign capital losses	13.4	15.0
Total gross deferred tax assets (liabilities)	(40.6)	(18.8)
Valuation allowance	(31.9)	(32.4)
Deferred tax assets (liabilities)	(72.5)	(51.2)
Non-current assets	0.0	2.3
Non-current liabilities	(72.5)	(53.5)
Domestic Tax Authority
Total
Property, plant and equipment	(73.6)
Foreign Tax Authority
Total
Property, plant and equipment	$ 5.4	$ (50.7)