Other Operating Expenses and (Income), Net - Additional Information (Detail) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Other Income And Expenses [Abstract]
Increase in credit loss expenses	$ 2.5
Increase in asset reclamation costs	$ 2.8
Reversal of accruals for unclaimed property contingencies		$ 4.2