Derivative Instruments and Risk Management (Tables)

12 Months Ended

Dec. 31, 2017

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts

The notional amount of a derivative instrument is the nominal or face amount used to calculate payments made on that instrument.  Notional amounts are presented in the following table:

	Notional		Notional
	Amount		Amount
	December 31, 2017		December 31, 2016
Derivatives designated as hedging instruments
Foreign exchange contracts	$	91.6	$	94.1
Interest rate swap	$	300.0	$	300.0
Diesel fuel contracts	3.0 gallons		2.0 gallons
Commodities contracts	28.3 pounds		0.0 pounds
Derivatives not designated as hedging instruments
Foreign exchange contracts		0.0	$	1.8
Equity derivatives	$	22.2	$	34.4