Accrued Liabilities and Other Non-Current Liabilities - Accrued Liabilities and Other Non-Current Liabilities, Net (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Compensation and other employee-related benefits	$ 147.2	$ 120.5
Asbestos-related liability	77.1	76.8
Customer-related liabilities	45.5	39.9
Accrued income taxes and other tax-related liabilities	36.1	31.0
Environmental and other legal matters	22.8	25.1
Accrued warranty costs	17.0	17.4
Other accrued liabilities	38.7	39.5
Accrued and other current liabilities	384.4	350.2
Environmental liabilities	63.6	63.2
Compensation and other employee-related benefits	36.4	33.0
Deferred income taxes and other tax-related liabilities	19.3	24.9
Other	56.3	59.9
Other non-current liabilities	$ 175.6	$ 181.0