REVENUES FROM CONTRACTS - Balance Sheet (Details) - USD ($) $ in Millions	Jun. 30, 2018	Jan. 01, 2018	Dec. 31, 2017
ASSETS
Accounts receivable, net	$ 247.1	$ 231.5	$ 267.5
Contract assets	92.4	70.7	0.0
Inventories, net	141.9	102.8	143.0
Other current assets (includes income taxes receivable of $49.0 and $62.4 at June 30, 2018 and December 31, 2017, respectively)	74.3	94.1	97.7
Total current assets	622.4		632.5
Deferred income taxes	29.5	50.0	50.9
TOTAL ASSETS	2,123.8		2,040.4
Contract liabilities	78.3	86.9	0.0
LIABILITIES AND EQUITY
Contract liabilities		86.9
Accrued expenses	179.8	193.6	292.6
Total current liabilities	543.9		461.0
Other long-term liabilities	849.1	884.2	885.8
Total long-term liabilities	1,221.3		1,264.7
Retained deficit	(707.9)	(738.3)	(742.3)
Accumulated other comprehensive income	251.5	249.8	250.1
Total equity	358.6		314.7
TOTAL LIABILITIES AND EQUITY	2,123.8		2,040.4
Calculated under Revenue Guidance in Effect before Topic 606
ASSETS
Accounts receivable, net	287.3
Contract assets	0.0
Inventories, net	198.4
Other current assets (includes income taxes receivable of $49.0 and $62.4 at June 30, 2018 and December 31, 2017, respectively)	78.4
Total current assets	630.8
Deferred income taxes	31.0
TOTAL ASSETS	2,133.7
LIABILITIES AND EQUITY
Contract liabilities	0.0
Accrued expenses	271.7
Total current liabilities	557.5
Other long-term liabilities	850.6
Total long-term liabilities	1,222.8
Retained deficit	(713.8)
Accumulated other comprehensive income	252.2
Total equity	353.4
TOTAL LIABILITIES AND EQUITY	2,133.7
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 $49.0 and $62.4 at June 30, 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	40.2		(36.0)
Contract assets	(92.4)		70.7
Inventories, net	56.5	$ 40.2	(40.2)
Other current assets (includes income taxes receivable of $49.0 and $62.4 at June 30, 2018 and December 31, 2017, respectively)	4.1		(3.6)
Total current assets	8.4
Deferred income taxes	1.5		(0.9)
TOTAL ASSETS	9.9
LIABILITIES AND EQUITY
Contract liabilities	(78.3)		86.9
Accrued expenses	91.9		(99.0)
Total current liabilities	13.6
Other long-term liabilities	1.5		(1.6)
Total long-term liabilities	1.5
Retained deficit	(5.9)		4.0
Accumulated other comprehensive income	0.7		$ (0.3)
Total equity	(5.2)
TOTAL LIABILITIES AND EQUITY	$ 9.9

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.

Name:	us-gaap_AccountsReceivableNetCurrent
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).