OTHER CURRENT AND NON-CURRENT ASSETS - Components of Other Current and Non-Current Assets (Detail) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Asbestos-related assets	$ 67.1	$ 67.1	$ 64.7
Advance payments and other prepaid expenses	37.9	44.5
Current contract assets	28.3	21.8
Prepaid income taxes	13.5	19.6
Other	2.3	10.4
Other current assets	149.1	163.4
Other employee benefit-related assets	109.8	104.7
Operating lease right-of-use assets (see Note 2)	93.6	0.0
Capitalized software costs	32.3	35.3
Environmental-related assets	23.6	23.4	$ 23.3
Equity method investments	8.8	7.7
Other	27.3	25.7
Other non-current assets	$ 295.4	$ 196.8