BUSINESS COMBINATIONS - Purchase Price Allocation (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Jul. 01, 2020	Dec. 31, 2019
Preliminary Allocation/Final Allocation
Goodwill		$ 1,286.4	$ 1,308.1		$ 685.7
Clariant Color Acquisition
Preliminary Allocation/Final Allocation
Cash and cash equivalents	$ 145.1		145.1
Accounts receivable	170.8		170.8
Inventories	99.2		99.0
Other current assets	63.2		56.9
Property	260.1		267.6
Goodwill	561.2		569.0
Operating lease assets	30.1		30.1
Other long-term assets	7.1		1.3
Short term debt	(0.4)		(0.4)
Accounts payable	(91.5)		(92.7)
Current operating lease obligations	(2.8)		(2.8)
Accrued expenses and other current liabilities	(85.7)		(81.2)
Long-term debt	(6.7)		(6.7)
Non-current operating lease obligations	(25.8)		(25.8)
Deferred tax liabilities	(34.8)		(60.7)
Pension and other post-retirement benefits	(53.8)		(53.8)
Other long-term liabilities	(12.1)		(5.4)
Non-controlling interests	(15.2)		(12.8)
Total purchase price consideration			1,525.3	$ 1,525.3
Measurement Period Adjustments
Inventory	0.2
Other current assets	6.3
Property	(7.5)
Goodwill	(7.8)
Other long-term assets	5.8
Accounts payable	1.2
Accrued expenses and other current liabilities	(4.5)
Deferred tax liabilities	25.9
Other long-term liabilities	(6.7)
Non-controlling Interests	(2.4)
Clariant Color Acquisition | Customer-Related Intangible Assets
Preliminary Allocation/Final Allocation
Intangible assets:	201.2		221.9
Measurement Period Adjustments
Intangibles assets	(20.7)
Clariant Color Acquisition | Trademarks and Trade Names
Preliminary Allocation/Final Allocation
Intangible assets:	34.8		32.0
Measurement Period Adjustments
Intangibles assets	2.8
Clariant Color Acquisition | Patents, Technology and Other Intangible Asset
Preliminary Allocation/Final Allocation
Intangible assets:	281.3		$ 273.9
Measurement Period Adjustments
Intangibles assets	$ 7.4