LEASES (Details) ft² in Thousands, $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($) facility	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jun. 30, 2019 USD ($) ft²	Jan. 01, 2019 USD ($)
Property, Plant and Equipment [Line Items]
Lease payments due		$ 89.8	$ 89.8
Operating lease liability		68.6	68.6
Operating lease right-of-use assets		$ 59.3	59.3
Number of facilities | facility		4
Special (gains) charges, net			(0.8)	$ 0.8	$ 0.3
Operating lease cost			12.0
Operating lease cost				11.4	11.2
Related party rent expense			1.0	$ 1.0	$ 0.9
Sublease income			1.9
Future minimum sublease rental income, current		$ 1.7	1.7
Future minimum sublease rental income, noncurrent		1.9	1.9
Four Leased Facilities [Member]
Property, Plant and Equipment [Line Items]
Lease payments due		2.0	2.0
Operating lease liability		1.8	1.8
Operating lease right-of-use assets		$ 1.8	$ 1.8
Distribution Facility
Property, Plant and Equipment [Line Items]
Leased facility size (square feet) | ft²						490
Lease term (months)						125 months
Lease payments due						$ 19.8
Operating lease liability						14.7
Operating lease right-of-use assets						$ 14.7
Accounting Standards Update 2016-02
Property, Plant and Equipment [Line Items]
Operating lease liability							$ 64.0
Operating lease right-of-use assets							$ 54.0
Continuing Operations | Germany
Property, Plant and Equipment [Line Items]
Special (gains) charges, net	$ (0.8)