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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The adjustment out of other comprehensive income (loss) for gains (losses) recognized as a component of other comprehensive income during the period, before tax.

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The amount of reclassification adjustment from Accumulated Other Comprehensive Income, before tax.

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Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount before 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.

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Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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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.

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Amount of tax expense (benefit), after 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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SHAREHOLDERS' EQUITY (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended				6 Months Ended		38 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Apr. 26, 2018
Equity, Class of Treasury Stock [Line Items]
Stock options exercised, Shares					2,400	100
Stock options exercised, Value					$ 50.2	$ 0.5
Foreign Currency Translation Adjustment (net of taxes)
Beginning balance		$ 19.4		$ (8.4)	19.4	(8.4)
Unrealized (losses) gains	$ 2.4	(11.4)	$ 8.2	(9.0)
Reclassification adjustments of losses (gains) into income	0.0	0.0	0.0	0.0
Tax benefit (provision)	0.0	0.0	0.0	0.0
Net change					(9.0)	(0.8)
Ending Balance	10.4		(9.2)		10.4	(9.2)	$ 10.4
Unrealized (Losses) Gains on Derivative Contracts (net of taxes)
Beginning balance		21.4		(13.6)	21.4	(13.6)
Unrealized (losses) gains	41.8	122.0	29.9	(35.1)
Reclassification adjustments of losses (gains) into income	(20.4)	(112.8)	9.3	11.6
Tax benefit (provision)	(5.1)	(2.2)	(9.2)	5.6
Net change	16.3		30.0		23.3	12.1
Ending balance	44.7		(1.5)		44.7	(1.5)	44.7
Pension and Other Postretirement Benefits (net of taxes)
Beginning balance		(730.7)		(781.4)	(730.7)	(781.4)
Unrealized (losses) gains	0.0	0.0	0.0	0.0
Reclassification adjustments of losses (gains) into income	13.7	13.7	11.6	11.9
Tax benefit (provision)	(3.0)	(3.1)	(2.6)	(2.7)
Net change					21.3	18.2
Ending balance	(709.4)		(763.2)		(709.4)	(763.2)	(709.4)
Accumulated Other Comprehensive Loss
Beginning balance		(689.9)		(803.4)	(689.9)	(803.4)
Unrealized (losses) gains	44.2	110.6	38.1	(44.1)
Reclassification adjustments of losses (gains) into income	(6.7)	(99.1)	20.9	23.5
Tax benefit (provision)	(8.1)	$ (5.3)	(11.8)	$ 2.9
Net change					35.6	29.5
Ending balance	(654.3)		$ (773.9)		(654.3)	$ (773.9)	(654.3)
Common Stock \| 2018 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized share repurchase program (in dollars)								$ 500.0
Cost of common stock repurchased and retired (in dollars)							195.9
Remaining authorized repurchase amount (in dollars)	$ 304.1				$ 304.1		$ 304.1
Stock Repurchased and Retired During Period, Shares	0		0		0	0	10,100