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CASH FLOW SUPPLEMENTARY INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 month	Dec. 25, 2010	Dec. 26, 2009
CASH FLOW SUPPLEMENTARY INFORMATION
Maximum maturity period of liquid investments considered as cash equivalents (in months)	3
Interest	$ 34,176	$ 26,268	$ 16,661
Income taxes	$ 66,898	$ 38,106	$ 77,084

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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