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Costs Associated with Exit and Restructuring Activities - Liabilities and Expenses Related to Exit and Restructuring Activities (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Restructuring Reserve Disclosures [Abstract]
Balance at beginning of period	$ 967	$ 1,048
Charged to earnings	1,895	0
Cash paid	(2,161)	(337)
Balance at the end of period	$ 701	$ 711

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

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