Warranty Reserves (Detail) (Warranty Reserves, USD $) In Millions, unless otherwise specified	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Warranty Reserves
Deferred Revenue and Warranty Reserve [Line Items]
Current liabilities	$ 6.9	$ 5.9
Non-current liabilities (see Note 17)	11.6	9.2
Total warranty reserve	$ 18.5	$ 15.1	$ 13.0	$ 12.3

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer) for estimated claims under standard and extended warranty protection rights granted to customers.

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