Accumulated Other Comprehensive Income (Loss) - Reclassifications out of AOCI (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Feb. 03, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of sales reclassification adjustment									$ 4,063.0	$ 4,047.6	$ 4,109.8
Interest expense reclassification adjustment									52.7	49.4	45.9
Income before income taxes									(527.2)	(713.8)	(657.8)
Income taxes									7.9	170.6	189.9
Net income	$ (343.0)	$ 12.1	$ (85.2)	$ (70.3)	$ (287.8)	$ (14.8)	$ (81.9)	$ (146.8)	(519.3)	(543.2)	(467.9)
Net curtailment gain and settlement loss									(3.7)	0.0	0.0
Amounts reclassified from AOCI									(5.4)	(0.9)	4.5
Actuarial gains (losses)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification adjustment from AOCI, pension and other postretirement, before tax									2.8	1.5	3.4
Prior service credits (costs)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification adjustment from AOCI, pension and other postretirement, before tax									(1.4)	(1.9)	(2.2)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification adjustment from AOCI, pension and other postretirement, before tax									(2.3)	(0.4)	1.2
Reclassification adjustment from AOCI, pension and other postretirement benefit plans, tax									0.4	0.1	(0.2)
Amounts reclassified from AOCI									(1.9)	(0.3)	1.0
Reclassification out of AOCI | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income before income taxes									(4.6)	(0.7)	4.9
Income taxes									1.1	0.1	(1.4)
Net income									(3.5)	(0.6)	3.5
Reclassification out of AOCI | Foreign currency contracts | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of sales reclassification adjustment									(3.2)	(2.7)	(0.4)
Reclassification out of AOCI | Interest rate swaps | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest expense reclassification adjustment									0.3	2.2	2.7
Reclassification out of AOCI | Commodity contracts | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of sales reclassification adjustment									$ (1.7)	$ (0.2)	$ 2.6