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Supplemental Cash Flow Information (Schedule Of Supplemental Cash Flow Information) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Jan. 01, 2011
Jan. 02, 2010
Supplemental Cash Flow Information [Abstract]      
Interest $ 3,323 $ 1,026 $ 443
Income taxes 135,133 107,787 62,957
Additions to property, plant and equipment included in accounts payable 23,766 8,034 4,349
Retirement of treasury stock $ 482 $ 725 $ 212