Credit Quality Indicator and Age Analysis of Past Due US Customer In-House Finance Receivables (Detail) (USD $) In Millions, unless otherwise specified	Nov. 02, 2013	Feb. 02, 2013	Oct. 27, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross, Value	$ 1,201.4	$ 1,280.6	$ 1,067.8
Valuation Allowance, Value	(89.6)	(87.7)	(80.2)
Gross, Percentage	100.00%	100.00%	100.00%
Valuation Allowance, Percentage	7.50%	6.80%	7.50%
Performing Financing Receivable
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross, Percentage	95.60%	96.40%	95.50%
Valuation Allowance, Percentage	3.20%	3.30%	3.20%
Performing Financing Receivable | Current | Aged 0-30 Days
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross, Value	946.9	1,030.3	841.8
Valuation Allowance, Value	(29.0)	(33.8)	(25.8)
Performing Financing Receivable | Past Due | Aged 31 - 90 Days
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross, Value	201.1	203.9	178.1
Valuation Allowance, Value	(7.2)	(7.5)	(6.5)
Nonperforming Financing Receivable
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross, Percentage	4.40%	3.60%	4.50%
Valuation Allowance, Percentage	100.00%	100.00%	100.00%
Nonperforming Financing Receivable | Past Due | Aged More Than 90 Days
Financing Receivable, Allowance for Credit Losses [Line Items]
Gross, Value	53.4	46.4	47.9
Valuation Allowance, Value	$ (53.4)	$ (46.4)	$ (47.9)