Discontinued Operations and Divestitures - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Mar. 29, 2014	Sep. 26, 2015
Business Acquisition [Line Items]
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	$ (5.6)
Cash sales price of business		$ 59.0
Discontinued Operation, Tax Effect of Income (Loss) from Disposal of Discontinued Operation	$ 2.4

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No definition available.

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Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Amount of tax expense (benefit) on gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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