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Cash Payments or Cash Refunds Received for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 25, 2011
Income Taxes Paid Net [Line Items]
Cash tax payments, net	$ 9,274	$ 9,580

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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