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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 |  |

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- Definition 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
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