DISCONTINUED OPERATIONS (Details) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2014 job_position	Dec. 31, 2018 USD ($)
Income Statement Disclosures [Abstract]
Income (loss) from discontinued operations, net of taxes	$ 1.6	$ (1.1)	$ 2.3	$ 0.3
Discontinued Operations | Operations in China
Income Statement Disclosures [Abstract]
Net sales	0.0	0.0	0.0	0.0
Income (loss) from discontinued operations, before taxes	1.6	(1.1)	2.3	0.3
Provision for income taxes	0.0	0.0	0.0	0.0
Income (loss) from discontinued operations, net of taxes	1.6	$ (1.1)	2.3	$ 0.3
Balance Sheet Disclosures [Abstract]
Cash and cash equivalents	1.1		1.1			$ 1.1
Trade receivables, net	0.0		0.0			0.2
Total current assets	1.1		1.1			1.3
Total assets	1.1		1.1			1.3
Accounts payable	0.1		0.1			0.5
Accrued expenses and other	1.2		1.2			3.3
Total current liabilities	1.3		1.3			3.8
Total liabilities	$ 1.3		$ 1.3			$ 3.8
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