Accumulated Other Comprehensive (Loss) Income - Changes in OCI (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 28, 2018	Sep. 29, 2017
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss, beginning period	$ 1,791.2
Accumulated other comprehensive loss, ending period	1,769.0
Gain (loss) on translation adjustments on noncontrolling interests	0.1	$ (0.1)
Changes in fair value of effective cash flow hedges
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss, beginning period	(1.4)	5.4
Other comprehensive (loss) income, before reclassifications	7.7	(6.2)
Amounts reclassified from accumulated other comprehensive (loss) income	(1.3)	(0.5)
Net current period other comprehensive income (loss)	6.4	(6.7)
Accumulated other comprehensive loss, ending period	5.0	(1.3)
Foreign currency translation adjustment
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss, beginning period	(6.7)	(25.4)
Other comprehensive (loss) income, before reclassifications	(5.5)	15.1
Amounts reclassified from accumulated other comprehensive (loss) income	0.0	0.0
Net current period other comprehensive income (loss)	(5.5)	15.1
Accumulated other comprehensive loss, ending period	(12.2)	(10.3)
Foreign currency transaction and translation gain (loss)	1.2	5.3
Retirement benefit adjustment
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss, beginning period	(22.5)	(24.2)
Other comprehensive (loss) income, before reclassifications	0.4	(0.5)
Amounts reclassified from accumulated other comprehensive (loss) income	0.6	0.9
Net current period other comprehensive income (loss)	1.0	0.4
Accumulated other comprehensive loss, ending period	(21.5)	(23.8)
Total
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss, beginning period	(30.6)	(44.2)
Other comprehensive (loss) income, before reclassifications	2.6	8.4
Amounts reclassified from accumulated other comprehensive (loss) income	(0.7)	0.4
Net current period other comprehensive income (loss)	1.9	8.8
Accumulated other comprehensive loss, ending period	$ (28.7)	$ (35.4)

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to noncontrolling interests.

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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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