Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2016	May. 02, 2015
Pre-tax amount
Foreign currency translation adjustments	$ 30.8	$ 7.5
Available-for-sale securities:
Unrealized loss on securities, net	0.4	(0.1)
Cash flow hedges:
Unrealized gain (loss)	5.9	(9.1)
Reclassification adjustment of losses to net income (loss)	1.6	0.7
Pension plan:
Reclassification adjustment to net income for amortization of actuarial losses	0.4	0.8
Reclassification adjustment to net income for amortization of prior service credits	(0.5)	(0.5)
Total other comprehensive (loss) income	38.6	(0.7)
Tax (expense) benefit
Foreign currency translation adjustments	0.0	0.0
Available-for-sale securities:
Unrealized loss on securities, net	(0.2)	0.0
Cash flow hedges:
Unrealized gain (loss)	(2.3)	3.2
Reclassification adjustment of losses to net income (loss)	(0.5)	(0.2)
Pension plan:
Reclassification adjustment to net income for amortization of actuarial losses	(0.1)	(0.1)
Reclassification adjustment to net income for amortization of prior service credits	0.1	0.1
Total other comprehensive (loss) income	(3.0)	3.0
After-tax amount
Net income	146.8	118.8
Foreign currency translation adjustments	30.8	7.5
Available-for-sale securities:
Unrealized loss on securities, net	0.2	(0.1)
Cash flow hedges:
Unrealized gain (loss)	3.6	(5.9)
Reclassification adjustment of losses to net income (loss)	1.1	0.5
Pension plan:
Reclassification adjustment to net income for amortization of actuarial losses	0.3	0.7
Reclassification adjustment to net income for amortization of prior service credits	(0.4)	(0.4)
Total other comprehensive (loss) income	35.6	2.3
Total comprehensive income (loss)	$ 182.4	$ 121.1