INVESTMENTS IN UNCONSOLIDATED COMPANIES (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 30, 2012	Dec. 25, 2011	Dec. 26, 2010
Summary of financial information for the company's investments in unconsolidated companies
Current assets	$ 412,959	$ 480,050
Noncurrent assets	584,773	563,286
Current liabilities	304,317	359,891
Noncurrent liabilities	246,543	228,713
Equity	446,872	454,732
Income statement information
Net revenues	1,427,657	1,332,394	1,195,755
Operating income	169,236	154,257	102,863
Net income	$ 141,387	$ 171,305	$ 95,855

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