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Acquisitions - Narrative (Details) $ in Millions, $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2019 CAD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Dec. 31, 2016 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |
Net sales | $ 308.8 | $ 269.4 |  | $ 906.9 |  | $ 810.1 |
Operating income | 38.6 | $ 30.4 |  | 110.7 |  | 88.1 |
Other payments to acquire businesses, operating activity |  |  |  | 3.1 |  | 0.0 |
Other payments to acquire businesses, financing activity |  |  |  | 10.3 |  | $ 0.0 |
MRL |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payments to acquire businesses | 49.8 |  |  | 49.8 | [1] |  |
Contingent consideration maximum | 15.5 |  |  | 15.5 |  |  |
Net sales | 22.6 |  |  |  |  |  |
Operating income | $ 2.3 |  |  |  |  |  |
Joe Johnson Equipment |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payments to acquire businesses |  |  |  | 13.4 |  |  | $ 96.6
Acquisition deferred payment |  |  | $ 7.6 | 5.8 |  |  |
Acquisition contingent earn-out |  |  | $ 10.0 | $ 7.6 |  |  |
[1] | The initial purchase price was funded with borrowings under the Company’s revolving credit facility.

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