Accumulated Other Comprehensive (Loss) Income - Changes in OCI (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 29, 2019	Mar. 30, 2018
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	$ 1,717.8
Balance, value	1,749.9
Tax effect of effective cash flow hedges	1.2
Changes in fair Value of Effective cash Flow hedges
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	(5.8)	$ (1.4)
Other comprehensive (loss) income, before reclassifications	(3.6)	(2.4)
Amounts reclassified from accumulated other comprehensive (loss) income	(0.5)	0.6
Net current period other comprehensive income (loss)	(4.1)	(1.8)
Balance, value	(9.9)	(3.2)
Foreign Currency Translation Adjustment
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	(14.9)	(6.7)
Other comprehensive (loss) income, before reclassifications	(0.8)	4.3
Amounts reclassified from accumulated other comprehensive (loss) income	0.0	0.0
Net current period other comprehensive income (loss)	(0.8)	4.3
Balance, value	(15.7)	(2.4)
Foreign currency transaction and translation gain (loss)	1.5	1.0
Retirement Benefit Adjustment
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	(20.9)	(22.5)
Other comprehensive (loss) income, before reclassifications	(0.2)	(0.1)
Amounts reclassified from accumulated other comprehensive (loss) income	0.1	0.2
Net current period other comprehensive income (loss)	(0.1)	0.1
Balance, value	(21.0)	(22.4)
Total
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	(41.6)	(30.6)
Other comprehensive (loss) income, before reclassifications	(4.6)	1.8
Amounts reclassified from accumulated other comprehensive (loss) income	(0.4)	0.8
Net current period other comprehensive income (loss)	(5.0)	2.6
Balance, value	$ (46.6)	$ (28.0)

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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