Debt and Short-Term Borrowings - Summary of Interest Rate Swap Transaction (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)
2015 Interest Rate Swap Agreement
Derivative [Line Items]
Notional Amount	$ 200
2015 Interest Rate Swap Agreement | 1-month LIBOR
Derivative [Line Items]
Fixed Rate	1.9225%
2018 Interest Rate Swap Agreement
Derivative [Line Items]
Notional Amount	$ 250
2018 Interest Rate Swap Agreement | 1-month LIBOR
Derivative [Line Items]
Fixed Rate	2.89%