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Statement Of Cash Flow Data (Schedule Of Supplemental Disclosure Of Cash Flow Information) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 30, 2011	Dec. 31, 2010	Jan. 01, 2010
Statement Of Cash Flow Data [Abstract]
Interest paid	$ 8,641	$ 1,752	$ 1,812
Income taxes paid	$ 13,867	$ 63,937	$ 26,703

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.