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Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Nov. 01, 2014	Nov. 02, 2013	Nov. 01, 2014	Nov. 02, 2013	Feb. 01, 2014
Income Taxes [Line Items]
Effective income tax rate	38.00%	29.20%	37.80%	34.80%
Impact of prior year income tax benefit				$ 80
Company's effective income tax rate increase(decrease)		8.90%		3.30%
Net unrecognized tax benefits	29.3	23.6	29.3	23.6	26.2
Interest and penalties expensed			9.3	6.2	8.1
Possible decrease in unrecognized tax benefits that would reduce the provision for taxes on earnings, minimum	0		0
Possible decrease in unrecognized tax benefits that would reduce the provision for taxes on earnings, maximum	$ 11.7		$ 11.7

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Increase Decrease In Effective Income Tax Rate Continuing Operations Due To Foreign Operations

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense (benefit).

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Amount of (increase) decrease reasonably possible in the estimated lower bound of the unrecognized tax benefit for a tax position taken or expected to be taken.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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