Commitments and Contingencies - Additional Information (Details) CAD in Millions, $ in Millions			12 Months Ended
	Jun. 03, 2016 CAD	Jun. 03, 2016 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Commitments Disclosure [Line Items]
Amount outstanding performance and financial standby letters of credit			$ 21.3
Reserves related to environmental remediation			$ 0.5	$ 0.6
Minimum
Commitments Disclosure [Line Items]
Warranty maturity periods			1 year
Maximum
Commitments Disclosure [Line Items]
Warranty maturity periods			5 years
Environmental Solutions
Commitments Disclosure [Line Items]
Product liability contingency, best estimate of probable liability			$ 1.0
Property Lease Guarantee [Member]
Commitments Disclosure [Line Items]
Single year maximum equipment repurchase exposure			4.5
Maximum equipment repurchase exposure			$ 4.5
Joe Johnson Equipment
Commitments Disclosure [Line Items]
Acquisition deferred payment	CAD 8.0	$ 6.4