v2.4.0.6

Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	Oct. 26, 2012
Income Tax Contingency [Line Items]
Unrecognized tax benefits	$ 165.3
Unrecognized tax benefits included in other long-term liabilities	109.7
Unrecognized tax benefits that would affect provision for income taxes	$ 98.3

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The noncurrent portion of the amount recognized for uncertain tax positions as of the balance sheet date.

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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

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