Shipping and Handling Costs (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Shipping And Handling Costs [Abstract]
Shipping and handling costs associated with storage and handling of finished goods and shipments to customers	$ 37.9	$ 42.3	$ 119.6	$ 117.8