SEGMENT REPORTING - Reconciliation of Company's Primary Measure of Segment Profitability Adjusted Income from Operations to Income (loss) from Operations (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting [Abstract]
Total Reportable Segment Adjusted Income from Operations	$ 85.3	$ 105.6	$ 179.1	$ 210.6
Business Transformation	(9.2)	(14.0)	(27.2)	(34.5)
Intangible Amortization	(31.2)	(36.9)	(63.1)	(74.7)
Acquisition and Integration				(1.9)
Operational Optimization		(3.6)		(7.2)
Divestitures (including Divestiture (losses) gains, net)	(6.2)	(4.9)	(67.5)	(2.1)
Litigation, Settlements and Regulatory Compliance	(4.2)	(9.1)	(8.6)	(18.9)
Goodwill Impairment				(20.9)
Asset Impairments	(8.3)	(2.1)	(12.3)	(3.7)
Other	(1.3)	(9.7)	(5.9)	(25.6)
Income (loss) from operations	$ 24.9	$ 25.3	$ (5.5)	$ 21.1

Adjusted operating income loss.

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- Definition

Asset impairment other than goodwill impairment charges.

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No definition available.

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- Definition

Business combination acquisition and integration related costs.

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No definition available.

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Expense income related to divestitures and divestiture losses, net of gains.

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No definition available.

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- Definition

Litigation settlement and regulatory compliance.

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Amount of expenses associated with operational optimization.

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No definition available.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The net result for the period of deducting operating expenses from operating revenues.

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No definition available.

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Amount of expense classified as other.

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