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Commitments and Contingencies - Additional Information (Details) $ in Millions, $ in Millions			12 Months Ended
	Jun. 03, 2016 CAD ($)	Jun. 03, 2016 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Commitments Disclosure [Line Items]
Amount outstanding performance and financial standby letters of credit			$ 18.2
Reserves related to environmental remediation			$ 0.4	$ 0.5
Minimum
Commitments Disclosure [Line Items]
Warranty maturity periods			1 year
Maximum
Commitments Disclosure [Line Items]
Warranty maturity periods			5 years
Property Lease Guarantee
Commitments Disclosure [Line Items]
Single year maximum equipment repurchase exposure			$ 3.5
Maximum equipment repurchase exposure			$ 4.3
Joe Johnson Equipment
Commitments Disclosure [Line Items]
Acquisition deferred payment	$ 8.0	$ 5.9

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- Definition

Acquisition Deferred Payment

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Guarantor Obligations, Maximum Exposure, Undiscounted, Annual Amount

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Warranty maturity periods.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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The amount of environmental remediation liabilities included in liabilities subject to compromise.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
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