REDEEMABLE NONCONTROLLING INTERESTS - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Apr. 21, 2016
Noncontrolling Interest [Line Items]
Decrease in noncontrolling Interest	$ (28.1)	$ 0.0
Adjustment to noncontrolling interest redemption value	$ 28.6	$ 0.0
Viom Transaction
Noncontrolling Interest [Line Items]
Percentage of interests acquired	63.00%		51.00%
Adjustments to additional paid in capital, Increase in carrying amount of redeemable preferred stock	$ 28.1
Noncontrolling interest, ownership percentage by noncontrolling owners	37.00%		49.00%
Decrease in noncontrolling Interest	$ 28.1
Adjustments to additional paid in capital, reclassified from other comprehensive loss	78.8
Adjustment to noncontrolling interest redemption value	$ 28.6

Amount of decrease (increase) in additional paid in capital (APIC) for the increase in carrying amount of redeemable preferred stock.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.

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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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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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