Accumulated Other Comprehensive (Loss) Income - Changes in OCI (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jul. 01, 2016	Jun. 30, 2017	Jul. 01, 2016
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss		$ 1,816.4
Accumulated other comprehensive loss		1,856.9
Gain (loss) on translation adjustments on noncontrolling interests (less than $0.1 million for the six months ended June 30, 2017)	$ 0.3	0.0	$ 0.3
Changes in fair value of effective cash flow hedges
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss		5.4	11.9
Other comprehensive (loss) income, before reclassifications		(4.5)	(6.8)
Amounts reclassified from accumulated other comprehensive income (loss)		(1.9)	(2.8)
Net current period other comprehensive income (loss)		(6.4)	(9.6)
Accumulated other comprehensive loss	2.3	(1.0)	2.3
Foreign currency translation adjustment
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss		(25.4)	(14.8)
Other comprehensive (loss) income, before reclassifications		11.1	0.7
Amounts reclassified from accumulated other comprehensive income (loss)		0.0	0.0
Net current period other comprehensive income (loss)		11.1	0.7
Accumulated other comprehensive loss	(14.1)	(14.3)	(14.1)
Foreign currency transaction and translation gain (loss)	5.5	4.0
Retirement benefit adjustment
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss		(24.2)	(20.1)
Other comprehensive (loss) income, before reclassifications		(0.3)	(0.3)
Amounts reclassified from accumulated other comprehensive income (loss)		0.6	0.6
Net current period other comprehensive income (loss)		0.3	0.3
Accumulated other comprehensive loss	(19.8)	(23.9)	(19.8)
Total
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss		(44.2)	(23.0)
Other comprehensive (loss) income, before reclassifications		6.3	(6.4)
Amounts reclassified from accumulated other comprehensive income (loss)		(1.3)	(2.2)
Net current period other comprehensive income (loss)		5.0	(8.6)
Accumulated other comprehensive loss	$ (31.6)	$ (39.2)	$ (31.6)