REVENUES FROM CONTRACTS - Balance Sheet (Details) - USD ($) $ in Millions	Mar. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
ASSETS
Accounts receivable, net	$ 214.7	$ 231.5	$ 267.5
Contract assets	98.3	70.7	0.0
Inventories, net	109.3	102.8	143.0
Other current assets (includes income taxes receivable of $41.8 and $62.4 at March 31, 2018 and December 31, 2017, respectively)	72.5	94.1	97.7
Total current assets	598.5		632.5
Deferred income taxes	52.3	50.0	50.9
TOTAL ASSETS	2,012.1		2,040.4
Contract liabilities	88.5	86.9	0.0
LIABILITIES AND EQUITY
Contract liabilities		86.9
Accrued expenses	180.8	193.6	292.6
Total current liabilities	428.2		461.0
Other long-term liabilities	872.8	884.2	885.8
Total long-term liabilities	1,250.7		1,264.7
Retained deficit	(730.9)	(738.3)	(742.3)
Accumulated other comprehensive income	(254.5)	(249.8)	(250.1)
Total equity	333.2		314.7
TOTAL LIABILITIES AND EQUITY	2,012.1		2,040.4
Calculated under Revenue Guidance in Effect before Topic 606
ASSETS
Accounts receivable, net	258.1
Contract assets	0.0
Inventories, net	167.8
Other current assets (includes income taxes receivable of $41.8 and $62.4 at March 31, 2018 and December 31, 2017, respectively)	76.7
Total current assets	606.3
Deferred income taxes	53.7
TOTAL ASSETS	2,021.3
LIABILITIES AND EQUITY
Contract liabilities	0.0
Accrued expenses	281.9
Total current liabilities	440.8
Other long-term liabilities	874.4
Total long-term liabilities	1,252.3
Retained deficit	(736.4)
Accumulated other comprehensive income	(255.0)
Total equity	328.2
TOTAL LIABILITIES AND EQUITY	2,021.3
Accounting Standards Update 2014-09 \| Calculated under Revenue Guidance in Effect before Topic 606
ASSETS
Accounts receivable, net			267.5
Contract assets			0.0
Inventories, net			143.0
Other current assets (includes income taxes receivable of $41.8 and $62.4 at March 31, 2018 and December 31, 2017, respectively)			97.7
Deferred income taxes			50.9
LIABILITIES AND EQUITY
Contract liabilities			0.0
Accrued expenses			292.6
Other long-term liabilities			885.8
Retained deficit			(742.3)
Accumulated other comprehensive income			(250.1)
Accounting Standards Update 2014-09 \| Difference between Revenue Guidance in Effect before and after Topic 606
ASSETS
Accounts receivable, net	43.4		(36.0)
Contract assets	(98.3)		70.7
Inventories, net	58.5	$ 40.2	(40.2)
Other current assets (includes income taxes receivable of $41.8 and $62.4 at March 31, 2018 and December 31, 2017, respectively)	4.2		(3.6)
Total current assets	7.8
Deferred income taxes	1.4		(0.9)
TOTAL ASSETS	9.2
LIABILITIES AND EQUITY
Contract liabilities	(88.5)		86.9
Accrued expenses	101.1		(99.0)
Total current liabilities	12.6
Other long-term liabilities	1.6		(1.6)
Total long-term liabilities	1.6
Retained deficit	(5.5)		4.0
Accumulated other comprehensive income	(0.5)		$ 0.3
Total equity	(5.0)
TOTAL LIABILITIES AND EQUITY	$ 9.2

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).