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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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