Other Accrued Liabilities - Additional Information (Detail) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Other Liabilities Disclosure [Abstract]
Other accrued liabilities	$ 18.0	$ 16.6
Liabilities for self-insurance accruals	3.5	4.1
Amounts due for sales incentive programs	6.7	5.5
Short term environmental accruals	1.1	1.1
Deferred rent	0.5	0.5
Other accruals	$ 6.2	$ 5.4