Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2016	Mar. 28, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (529.2)	$ (22.2)
Other comprehensive income (loss):
Foreign currency translation adjustments	151.4	(27.9)
Change in fair value of derivative financial instruments, net of tax	(5.7)	0.8
Change in fair value of investment securities, net of tax	6.2	1.2
Change in post-retirement and pension liability adjustments, net of tax	0.8	(0.4)
Other comprehensive income (loss), net of tax	152.7	(26.3)
Comprehensive loss	$ (376.5)	$ (48.5)