ACQUISITIONS AND DISPOSITIONS - Acquisition Summary (Details) € in Millions, $ in Millions	1 Months Ended	3 Months Ended				6 Months Ended		12 Months Ended
	Feb. 28, 2019 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2018 EUR (€)	Dec. 31, 2018 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)
Acquisitions and Dispositions
Total consideration transferred		$ 7.3			$ 2.9	$ 288.8	$ 78.1
Components of the aggregate purchase prices of the completed acquisitions
Net tangible assets (liabilities) acquired and equity method investments		5.5			5.1	(9.4)	2.4
Identifiable intangible assets
Customer relationships		1.5				71.9	40.8
Trademarks						20.4	1.1
Other technology						45.9	4.0
Total intangible assets		1.5				138.2	45.9
Goodwill		0.3			(2.2)	180.5	30.4
Total aggregate purchase price		7.3			2.9	309.3	78.7
Acquisition related liabilities and contingent consideration						(20.5)	(0.6)
Total consideration transferred		7.3			2.9	$ 288.8	$ 78.1
Weighted average useful lives of identifiable intangible assets acquired						12 years	11 years
Goodwill expected to be tax deductible		0.7				$ 0.7
Cost of sales
Acquisitions and Dispositions
Acquisition and integration activities		$ 1.3			$ (0.5)	$ 1.5	$ (0.5)
2019 Acquisitions
Acquisitions and Dispositions
Pre-acquisition annual sales								$ 63.0
Bioquell
Acquisitions and Dispositions
Portion of purchase price transferred to an escrow fund			€ 140.5	$ 179.3
Escrow released	$ 179.3
Lobster Ink
Acquisitions and Dispositions
Earn-out term						3 years