OTHER CURRENT AND NON-CURRENT ASSETS - Components of Other Current and Non-Current Assets (Detail) - USD ($) $ in Millions	Mar. 31, 2018	Jan. 01, 2018	Dec. 31, 2017	Mar. 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Asbestos-related assets	$ 64.7		$ 64.7	$ 66.0
Advance payments and other prepaid expenses	56.7		50.9
Short-term contract asset (see Note 2)	25.8	$ 43.2	0.0
Prepaid income taxes	24.4		30.3
Other	1.4		1.5
Other current assets	173.0		147.4
Other employee benefit-related assets	112.3		111.3
Capitalized software costs	39.4		41.9
Environmental-related assets	24.5		24.5
Equity method investments	7.4		6.7
Other	19.2		18.5
Other non-current assets	$ 202.8		$ 202.9