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CASH FLOW SUPPLEMENTARY INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012 month	Mar. 26, 2011
CASH FLOW SUPPLEMENTARY INFORMATION
Maximum maturity period of liquid investments considered as cash equivalents (in months)	3
Interest	$ 367	$ 366
Income taxes	$ 21,246	$ 5,296

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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