Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) Condensed Consolidated Statements of Operations and Comprehensive Income (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Condensed Consolidated Statements of Operations and Comprehensive Income (Parenthetical) [Abstract]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax	$ (0.2)	$ 0.4	$ (0.1)	$ 0.5