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

No definition available.

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- Definition

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

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- Definition

Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Accumulated Other Comprehensive Income (Loss) - Changes in AOCI (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 583.7	$ 495.3	$ 572.7	$ 510.4
Total other comprehensive income (loss)	(3.5)	9.0	4.2	(2.6)
Ending balance	593.0	554.3	593.0	554.3
Pension and Other Post-Employment Benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			(18.7)
Other comprehensive income (loss) before reclassification			0.0
Amounts reclassified from accumulated other comprehensive loss			0.9
Total other comprehensive income (loss)			0.9
Ending balance	(17.8)		(17.8)
Unrealized Gains (Loss) on Hedging Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			2.7
Other comprehensive income (loss) before reclassification			(2.5)
Amounts reclassified from accumulated other comprehensive loss			0.0
Total other comprehensive income (loss)			(2.5)
Ending balance	0.2		0.2
Foreign Currency Items
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			(106.4)
Other comprehensive income (loss) before reclassification			5.8
Amounts reclassified from accumulated other comprehensive loss			0.0
Total other comprehensive income (loss)			5.8
Ending balance	(100.6)		(100.6)
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(114.7)	(110.2)	(122.4)	(98.6)
Other comprehensive income (loss) before reclassification			3.3
Amounts reclassified from accumulated other comprehensive loss			0.9
Total other comprehensive income (loss)			4.2
Ending balance	$ (118.2)	$ (101.2)	$ (118.2)	$ (101.2)