Promotional Costs (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Promotional Costs [Abstract]
Promotional and other sales force compensation expenses	$ 97.8	$ 111.4	$ 199.8	$ 225.2