DISCONTINUED OPERATIONS (Details) $ in Millions	3 Months Ended			9 Months Ended			12 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)		Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)		Dec. 31, 2014 job_position	Dec. 31, 2017 USD ($)
Income Statement Disclosures [Abstract]
(Loss) income from discontinued operations, net of taxes	$ (0.4)	$ 0.4	[1]	$ (0.1)	$ 1.3	[1]
Operations in China
Income Statement Disclosures [Abstract]
Net sales					0.0
(Loss) income from discontinued operations, before taxes					1.6
Provision for income taxes					0.3
(Loss) income from discontinued operations, net of taxes					$ 1.3
Disposed of by sale | Operations in China
Income Statement Disclosures [Abstract]
Net sales	0.0	0.0		0.0
(Loss) income from discontinued operations, before taxes	(0.4)	0.7		(0.1)
Provision for income taxes	0.0	0.3		0.0
(Loss) income from discontinued operations, net of taxes	(0.4)	$ 0.4		(0.1)
Balance Sheet Disclosures [Abstract]
Cash and cash equivalents	1.1			1.1				$ 1.3
Trade receivables, net	0.2			0.2				0.2
Total current assets	1.3			1.3				1.5
Total assets	1.3			1.3				1.5
Accounts payable	0.5			0.5				0.5
Accrued expenses and other	3.3			3.3				3.5
Total current liabilities	3.8			3.8				4.0
Total liabilities	$ 3.8			$ 3.8				$ 4.0
December 2013 Program
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of positions eliminated | job_position							1,100

[1] Adjusted as a result of the adoption of certain accounting pronouncements during 2018. See Note 1, "Description of Business and Summary of Significant Accounting Policies - Recently Adopted Accounting Pronouncements," for details of these adjustments.