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Interest and Other Expense (Income), Net (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 29, 2013
Sep. 30, 2012
Sep. 29, 2013
Sep. 30, 2012
Other Income and Expenses [Abstract]        
Interest income $ (119) $ (74) $ (288) $ (434)
Interest expense 11,704 11,360 35,310 34,136
Other expense, net 755 586 2,223 2,358
Total interest and other expense, net $ 12,340 $ 11,872 $ 37,245 $ 36,060