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Shipping and Handling Fees and Costs (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 28, 2015
Jun. 29, 2014
Jun. 28, 2015
Jun. 29, 2014
Shipping And Handling Fees And Costs [Abstract]        
Shipping, Handling and Transportation Costs $ 2.4 $ 2.2 $ 5.6 $ 5.0