Accumulated Other Comprehensive Income (Loss) (Change in Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 01, 2016	Jul. 03, 2015
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	$ (340.2)
Balance	(306.3)
AOCI Including Portion Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	(340.2)	$ (263.4)
Other comprehensive income (loss) before reclassifications	13.0	(65.2)
Amounts reclassified from accumulated other comprehensive income	20.9	16.2
Net current - period other comprehensive income (loss)	33.9	(49.0)
Balance	(306.3)	(312.4)
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	(275.6)	(185.1)
Other comprehensive income (loss) before reclassifications	13.0	(65.2)
Amounts reclassified from accumulated other comprehensive income	18.3	11.4
Net current - period other comprehensive income (loss)	31.3	(53.8)
Balance	(244.3)	(238.9)
Change of Fair Value of Pension Benefit Obligation [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	(64.6)	(78.3)
Other comprehensive income (loss) before reclassifications	0.0	0.0
Amounts reclassified from accumulated other comprehensive income	2.6	4.8
Net current - period other comprehensive income (loss)	2.6	4.8
Balance	$ (62.0)	$ (73.5)