OTHER CURRENT AND NON-CURRENT ASSETS - Components of Other Current and Non-Current Assets - USD ($) $ in Millions	Sep. 30, 2020		Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Asbestos-related assets(a)	$ 91.0	[1]	$ 67.2
Advance payments and other prepaid expenses	31.3		45.4
Current contract assets, net	17.4		18.0
Prepaid income taxes	30.6		20.6
Other	1.5		2.2
Other current assets	171.8		153.4
Other employee benefit-related assets	137.6		133.6
Operating lease right-of-use assets	87.9		91.7
Capitalized software costs	25.2		30.1
Environmental-related assets	19.6		22.2
Equity method investments	10.0		9.8
Other	25.8		29.1
Other non-current assets	$ 306.1		$ 316.5

[1] The increase in asbestos-related assets as of September 30, 2020 primarily relates to a June 2020 settlement agreement with an insurer accelerating payments previously included in a buyout agreement. Refer to Note 19, Commitments and Contingencies, for further information.