Schedule of Notional Amounts (Details) lb in Millions, gal in Millions, $ in Millions	Dec. 31, 2018 USD ($) gal lb	Dec. 31, 2017 USD ($) gal lb
Designated as Hedging Instrument | Foreign Exchange Contract
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 146.6	$ 91.6
Designated as Hedging Instrument | Interest Rate Swap Lock Agreement
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	300.0	300.0
Designated as Hedging Instrument | Interest Rate Swap Lock
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 250.0	$ 0.0
Designated as Hedging Instrument | Diesel fuel contracts
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivatives, Notional Amount, Volume | gal	8.2	3.0
Designated as Hedging Instrument | Commodities Contracts
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivatives, Notional Amount, Volume | lb	94.7	28.3
Not Designated as Hedging Instrument | Equity derivatives
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 21.0	$ 22.2