Other Accrued Liabilities - Summary of Other Accrued Liabilities (Detail) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Other Liabilities Disclosure [Abstract]
Self insurance	$ 4.1	$ 3.7	$ 3.9
Sales incentive programs	3.8	7.4	4.1
Short-term environmental	1.1	1.1	1.1
Other accruals	6.3	3.6	4.0
Other accrued liabilities	$ 15.3	$ 15.8	$ 13.1