Changes in Accumulated OCI by Component and Reclassifications Out of Accumulated OCI (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			$ (178.5)
OCI before reclassifications			7.3
Amounts reclassified from accumulated OCI	3.4	0.1	8.2	(0.4)
After-tax amount, Total other comprehensive income (loss)	0.8	(10.5)	15.5	(24.2)
Ending balance	(163.0)	(199.9)	(163.0)	(199.9)
Foreign currency translation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(137.0)
OCI before reclassifications			7.3
After-tax amount, Total other comprehensive income (loss)			7.3
Ending balance	(129.7)		(129.7)
Accumulated Net Gain (Loss) from Investment Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
OCI before reclassifications			(0.2)
After-tax amount, Total other comprehensive income (loss)			(0.2)
Ending balance	(0.2)		(0.2)
Gains (losses) on cash flow hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(14.3)
OCI before reclassifications			0.2
Amounts reclassified from accumulated OCI			8.1
After-tax amount, Total other comprehensive income (loss)			8.3
Ending balance	(6.0)		(6.0)
Pension Plans | Accumulated Defined Benefit Plans Adjustment Actuarial Net Gain Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(42.5)
Amounts reclassified from accumulated OCI			0.8
After-tax amount, Total other comprehensive income (loss)			0.8
Ending balance	(41.7)		(41.7)
Pension Plans | Accumulated Defined Benefit Plans Adjustment, Net Prior Service Cost (Credit)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			15.3
Amounts reclassified from accumulated OCI			(0.7)
After-tax amount, Total other comprehensive income (loss)			(0.7)
Ending balance	$ 14.6		$ 14.6