Condensed Consolidated Statements Of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 01, 2014	Nov. 02, 2013	Nov. 01, 2014	Nov. 02, 2013
Other comprehensive (loss) income ,pre tax amount:
Foreign currency translation adjustments, pre tax amount	$ (21.4)	$ 10.5	$ (14.1)	$ 3.5
Available-for-sale securities, net pre tax amount:
Unrealized loss, pre tax amount			(0.2)
Cash flow hedges, pre tax amount:
Unrealized (loss) gain , pre tax amount	(2.7)	(1.8)	(2.2)	(27.9)
Reclassification adjustment for losses to net (loss) income, pre tax amount	2.7	2.1	15.2	1.1
Pension plan, pre tax amount:
Reclassification adjustment to net (loss) income for amortization of actuarial loss, pre tax amount	0.5	0.6	1.5	1.7
Reclassification adjustment to net (loss) income for amortization of net prior service credits, pre tax amount	(0.4)	(0.4)	(1.3)	(1.1)
Total other comprehensive (loss) pre tax amount	(21.3)	11.0	(1.1)	(22.7)
Other comprehensive (loss) income , tax (expense) benefit:
Foreign currency translation adjustments, tax (expense) benefit	0	0	0	0
Available-for-sale securities, tax (expense) benefit:
Unrealized loss, tax (expense) benefit	0	0	0	0
Cash flow hedges, tax (expense) benefit:
Unrealized (loss) gain , tax (expense) benefit	1.2	0.3	0.9	9.6
Reclassification adjustment for losses to net (loss) income, tax (expense) benefit	(0.8)	(0.8)	(5.2)	(0.5)
Pension plan, tax (expense) benefit:
Reclassification adjustment to net (loss) income for amortization of actuarial loss, tax (expense) benefit	(0.1)	(0.2)	(0.3)	(0.4)
Reclassification adjustment to net (loss) income for amortization of net prior service credits, tax (expense) benefit	0.1	0.2	0.3	0.3
Total other comprehensive (loss) income, tax (expense) benefit	0.4	(0.5)	(4.3)	9.0
Net (loss) income	(1.3)	33.6	153.3	192.8
After-tax amount, Foreign currency translation adjustments
After-tax amount, Foreign currency translation adjustments	(21.4)	10.5	(14.1)	3.5
After-tax amount, Available-for-sale securities:
After-tax amount, Unrealized loss			(0.2)
After-tax amount, Cash flow hedges:
After-tax amount, Unrealized (loss) gain	(1.5)	(1.5)	(1.3)	(18.3)
After-tax amount, Reclassification adjustment for losses to net (loss) income	1.9	1.3	10.0	0.6
After-tax amount, Pension plan:
After-tax amount, Reclassification adjustment to net (loss) income for amortization of actuarial loss	0.4	0.4	1.2	1.3
After-tax amount, Reclassification adjustment to net income for amortization of net (loss) prior service credits	(0.3)	(0.2)	(1.0)	(0.8)
After-tax amount, Total other comprehensive (loss) income	(20.9)	10.5	(5.4)	(13.7)
Total comprehensive (loss) income	$ (22.2)	$ 44.1	$ 147.9	$ 179.1