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Income Taxes (Schedule Of Income Tax Expense And Related Effective Rate) (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jul. 02, 2011
Jun. 30, 2012
Jul. 02, 2011
Income Taxes [Line Items]        
Income tax expense $ 27,705 $ 27,657 $ 51,229 $ 58,850
Income tax rate 31.40% 33.90% 29.70% 34.40%