Condensed Consolidated Statements Of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013
Other comprehensive income (loss), pre tax amount:
Foreign currency translation adjustments, pre tax amount	$ (2.3)	$ (5.2)	$ 7.3	$ (7.0)
Available-for-sale securities, net pre tax amount:
Unrealized loss, pre tax amount	(0.2)		(0.2)
Cash flow hedges, pre tax amount:
Unrealized (loss) gain, pre tax amount	(0.2)	(8.6)	0.5	(26.1)
Reclassification adjustment for losses (gains) to net income, pre tax amount	5.1		12.5	(1.0)
Pension plan, pre tax amount:
Reclassification adjustment to net income for amortization of actuarial loss, pre tax amount	0.5	0.5	1.0	1.1
Reclassification adjustment to net income for amortization of net prior service credits, pre tax amount	(0.5)	(0.3)	(0.9)	(0.7)
Total other comprehensive income (loss), pre tax amount	2.4	(13.6)	20.2	(33.7)
Other comprehensive income (loss), tax (expense) benefit:
Foreign currency translation adjustments, tax (expense) benefit
Available-for-sale securities, tax (expense) benefit:
Unrealized loss, tax (expense) benefit
Cash flow hedges, tax (expense) benefit:
Unrealized (loss) gain, tax (expense) benefit	0.1	3.2	(0.3)	9.3
Reclassification adjustment for losses (gains) to net income, tax (expense) benefit	(1.7)	(0.1)	(4.4)	0.3
Pension plan, tax (expense) benefit:
Reclassification adjustment to net income for amortization of actuarial loss, tax (expense) benefit	(0.1)	(0.1)	(0.2)	(0.2)
Reclassification adjustment to net income for amortization of net prior service credits, tax (expense) benefit	0.1	0.1	0.2	0.1
Total other comprehensive income (loss), tax (expense) benefit	(1.6)	3.1	(4.7)	9.5
Net income	58.0	67.4	154.6	159.2
After-tax amount, Foreign currency translation adjustments
After-tax amount, Foreign currency translation adjustments	(2.3)	(5.2)	7.3	(7.0)
After-tax amount, Available-for-sale securities:
After-tax amount, Unrealized loss	(0.2)		(0.2)
After-tax amount, Cash flow hedges:
After-tax amount, Unrealized (loss) gain	(0.1)	(5.4)	0.2	(16.8)
After-tax amount, Reclassification adjustment for losses (gains) to net income	3.4	(0.1)	8.1	(0.7)
After-tax amount, Pension plan:
After-tax amount, Reclassification adjustment to net income for amortization of actuarial loss	0.4	0.4	0.8	0.9
After-tax amount, Reclassification adjustment to net income for amortization of net prior service credits	(0.4)	(0.2)	(0.7)	(0.6)
After-tax amount, Total other comprehensive income (loss)	0.8	(10.5)	15.5	(24.2)
Total comprehensive income	$ 58.8	$ 56.9	$ 170.1	$ 135.0