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Business Segments and Geographic Information (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Apr. 01, 2012
Apr. 03, 2011
Pre-Tax Income Reconciliation of Segments    
Total operating income from segments $ 69,999 $ 73,678
Unallocated Amount:    
General and Administrative Expenses (27,441) (32,788)
Net interest expense (19,000) (15,392)
Income before income taxes and equity in earnings of affiliates $ 23,558 $ 25,498