Derivative Instruments and Risk Management - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Foreign Exchange Contract
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Face value of unexpired foreign currency contracts	$ 216.0
Designated as Hedging Instrument
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative hedging agreements covering diesel fuel requirements	79.00%
Derivative hedging agreements covering diesel fuel requirements, year 2020	70.00%
Derivative hedging agreements covering exposure	60.00%
Derivative hedging agreements covering exposure, year 2020	45.00%
Designated as Hedging Instrument | Foreign Exchange Contract
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 216.0	$ 146.6
Designated as Hedging Instrument | Interest Rate Swap Lock
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 300.0	$ 250.0