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Income Taxes (Schedule Of Income Tax Expense And Related Effective Rate) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended9 Months Ended
Oct. 01, 2011
Oct. 02, 2010
Oct. 01, 2011
Oct. 02, 2010
Income Taxes [Abstract]    
Income tax expense$ 39,307$ 40,353$ 98,156$ 64,361
Income tax rate35.20%36.30%34.70%28.00%