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Fair Value Measurements - Additional Information (Details) - 3 months ended Mar. 31, 2019 $ in Millions, $ in Millions | CAD ($) | USD ($)
--- | --- | ---
Joe Johnson Equipment |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Contingent earn-out payment | $ 10.0 | $ 7.5

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