Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Pre-tax amount
Foreign currency translation adjustments	$ (25.6)	$ (40.2)	$ (60.6)
Available-for-sale securities:
Unrealized gain (loss)	0.0	(0.7)	0.0
Cash flow hedges:
Unrealized gain (loss)	8.8	(17.2)	9.1
Reclassification adjustment for losses to net income	(0.7)	4.9	18.6
Pension plan:
Actuarial gain (loss)	(16.9)	13.8	(20.4)
Reclassification adjustment to net income for amortization of actuarial losses	1.5	3.4	2.0
Prior service costs	(0.5)	(0.6)	(0.9)
Reclassification adjustment to net income for amortization of net prior service credits	(1.9)	(2.2)	(1.7)
Total other comprehensive (loss) income	(35.3)	(38.8)	(53.9)
Tax (expense) benefit
Foreign currency translation adjustments	0.0	0.0	0.0
Available-for-sale securities:
Unrealized gain (loss)	0.0	0.3	0.0
Cash flow hedges:
Unrealized gain (loss)	(1.9)	5.4	(2.9)
Reclassification adjustment for losses to net income	0.1	(1.4)	(6.1)
Pension plan:
Actuarial gain (loss)	3.3	(2.9)	4.6
Reclassification adjustment to net income for amortization of actuarial losses	(0.3)	(0.7)	(0.4)
Prior service costs	0.1	0.1	0.2
Reclassification adjustment to net income for amortization of net prior service credits	0.4	0.5	0.4
Total other comprehensive (loss) income	1.7	1.3	(4.2)
After-tax amount
Net income	543.2	467.9	381.3
Foreign currency translation adjustments	(25.6)	(40.2)	(60.6)
Available-for-sale securities:
Unrealized gain (loss)	0.0	(0.4)	0.0
Cash flow hedges:
Unrealized gain (loss)	6.9	(11.8)	6.2
Reclassification adjustment for losses to net income	0.6	(3.5)	(12.5)
Pension plan:
Actuarial gain (loss)	(13.6)	10.9	(15.8)
Reclassification adjustment to net income for amortization of actuarial losses	1.2	2.7	1.6
Prior service costs	(0.4)	(0.5)	(0.7)
Reclassification adjustment to net income for amortization of net prior service credits	(1.5)	(1.7)	(1.3)
Total other comprehensive (loss) income	(33.6)	(37.5)	(58.1)
Total comprehensive income	$ 509.6	$ 430.4	$ 323.2