Shipping and Handling Fees and Costs (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014
Shipping And Handling Fees And Costs [Abstract]
Shipping, Handling and Transportation Costs	$ 2.3	$ 2.7	$ 7.9	$ 7.7