Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Net income	$ 359.9	$ 324.4	$ 200.4
Other comprehensive (loss) income:
Foreign currency translation adjustments	(0.5)	(3.9)	(1.9)
Derivative instruments qualifying as cash flow hedges:
Unrealized (loss) gain, net of tax of $3.7 (Fiscal 2012: $17.5, Fiscal 2011: $5.0)	(6.7)	32.2	9.6
Reclassification adjustment for gains to net income, net of tax of $8.0 (Fiscal 2012: $8.6, Fiscal 2011: $7.5)	(14.4)	(16.0)	(14.8)
Pension plan:
Actuarial gain (loss), net of tax of $1.5 (Fiscal 2012: $(3.5), Fiscal 2011: $4.5)	4.7	(7.3)	11.7
Reclassification adjustment to net income for amortization of actuarial gains, net of tax of $0.8 (Fiscal 2012: $0.8, Fiscal 2011: $1.3)	2.4	1.8	3.5
Prior service (benefit) costs, net of tax of $(0.3) (Fiscal 2012: $2.0, Fiscal 2011: $0.0)	(0.8)	5.5
Reclassification adjustment to net income for amortization of prior service costs, net of tax of $(0.4) (Fiscal 2012: $(0.3), Fiscal 2011: $(0.3))	(1.2)	(0.7)	(0.7)
Total other comprehensive (loss) income	(16.5)	11.6	7.4
Total comprehensive income	$ 343.4	$ 336.0	$ 207.8