Acquisitions Acquired Finite-Life Intangibles (Details) - AMQ Acquisition Q4 2018 [Member] $ in Millions	12 Months Ended
	Feb. 23, 2018 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 30.1
Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	1.3
Dealer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	25.5
Other Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 3.3