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Restructuring Charges - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring charges, pre-tax	$ 1,081	$ 713	$ 7,074	$ 10,867
Restructuring charges, after tax	660	430	4,315	6,629
Expected restructuring charges and related cost during remainder of current fiscal year	3,000		3,000
Cost of Revenues
Restructuring Cost and Reserve [Line Items]
Restructuring charges, pre-tax			1,652	4,483
Restructuring reversal, pre-tax	(46)	(203)
Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges, pre-tax	$ 1,127	$ 916	$ 5,422	$ 6,384

X

- Definition

Amount expected to be recognized in earnings for the specified restructuring cost.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount of (expense) reversal of expense related to a previously accrued restructuring cost liability. Excludes adjustments for costs incurred, costs settled, and foreign currency translation adjustments.

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Restructuring Charges After Tax

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