Financial Instruments and Fair Value - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			3 Months Ended	1 Months Ended	3 Months Ended									3 Months Ended		12 Months Ended	3 Months Ended		12 Months Ended
	May 04, 2013	Apr. 28, 2012	Feb. 02, 2013	May 04, 2013 Maximum	May 24, 2011 Revolving Credit Facility	May 04, 2013 Revolving Credit Facility	Feb. 02, 2013 Revolving Credit Facility	Apr. 28, 2012 Revolving Credit Facility	May 04, 2013 Foreign Exchange Contract	Feb. 02, 2013 Foreign Exchange Contract	Apr. 28, 2012 Foreign Exchange Contract	May 04, 2013 Commodity Contract	Feb. 02, 2013 Commodity Contract	Apr. 28, 2012 Commodity Contract	May 04, 2013 Cash Flow Hedging Foreign Exchange Contract	Apr. 28, 2012 Cash Flow Hedging Foreign Exchange Contract	Feb. 02, 2013 Cash Flow Hedging Foreign Exchange Contract	May 04, 2013 Cash Flow Hedging Commodity Contract	Apr. 28, 2012 Cash Flow Hedging Commodity Contract	Feb. 02, 2013 Cash Flow Hedging Commodity Contract
Financial Instruments and Fair Value [Line Items]
Amount of agreement in place for senior unsecured multi-currency five-year revolving credit external funding					$ 400	$ 400
Revolving credit agreement period (in years)					5 years	5 years
Borrowings on unsecured senior revolving credit agreement						0	0	0
Debt instrument, maturity date						May 2016
Interest rate protection agreements outstanding	0	0	0
Total notional amount									43.7	50.8	57.6
Cash flow hedges settlement period															These contracts have been designated as cash flow hedges and will be settled over the next 14 months (February 2, 2013 and April 28, 2012: 12 months and 13 months, respectively).			These contracts have been designated as cash flow hedges and will be settled over the next 9 months (February 2, 2013 and April 28, 2012: 11 months and 13 months, respectively).
Contracts maturity period				14 months											14 months	13 months	12 months	9 months	13 months	11 months
Total notional amount												69.2	187.6	193.9
Amount of gain (loss) recognized in OCI on derivatives (Effective portion)	(17.5)	(12.9)																(18.0)
Amount of gain (loss) recognized in OCI on derivatives (Effective portion), terminated contracts																		(19.6)
Accumulated other comprehensive income loss related to commodity derivative contracts																		(19.3)
Accumulated other comprehensive income loss related to commodity derivative contracts, terminated contracts																		$ (22.0)