Reclassification Activity by Individual Accumulated OCI Component (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	May 03, 2014		May 04, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
(Gains) losses on cash flow hedges reclassification, before tax	$ 7.4		$ (1.0)
(Gains) losses on cash flow hedges reclassification, tax expense	(2.7)		0.4
(Gains) losses on cash flow hedges reclassification, net of tax	4.7		(0.6)
Defined benefit plan reclassification, before tax	0.1		0.2
Defined benefit plan reclassification, tax expense			(0.1)
Defined benefit plan reclassification, net of tax	0.1		0.1
Total reclassifications, net of tax	4.8		(0.5)
Cash Flow Hedging | Foreign Exchange Contract | Cost of Sales
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
(Gains) losses on cash flow hedges reclassification, before tax			(0.2)
Cash Flow Hedging | Commodity Contract | Cost of Sales
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
(Gains) losses on cash flow hedges reclassification, before tax	7.4		(0.8)
Prior Service Credit | Selling, General and Administrative Expenses
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Defined benefit plan reclassification, before tax	(0.4)	[1]	(0.4)	[1]
Pension Plan Actuarial (Losses)/Gains | Selling, General and Administrative Expenses
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Defined benefit plan reclassification, before tax	$ 0.5	[1]	$ 0.6	[1]

[1] These items are included in the computation of net periodic pension benefit (cost). See Note 14 for additional information.