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Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Oct. 05, 2013	Oct. 05, 2013	Oct. 06, 2012
Income Taxes [Line Items]
Effective tax rate		28.10%	36.20%
Income tax provision percentage		6.50%
Net tax benefit recognized	$ 1.4

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Income Tax Provision Percentage Bargain Gain

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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 other income tax expense (benefit).

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