Product Warranties (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Product Liability Contingency [Line Items]
Product Warranty Accrual	$ 63.0	$ 65.2
Product Warranties Issued	16.1
Product Warranty Accrual, Preexisting, Increase (Decrease)	0.4
Product Warranties Payments	(18.3)
Standard and Extended Product Warranty Accrual, Foreign Currency Translation Gain (Loss)	$ (0.4)
Standard warranty [Member]
Product Liability Contingency [Line Items]
Standard Product Warranty Description	twelve months or 1,000 to 2,000 hours
Certain Truck Series Standard Warranty [Member]
Product Liability Contingency [Line Items]
Standard Product Warranty Description	one to two years or 2,000 or 4,000 hours
Additional Component Standard Warranty [Member]
Product Liability Contingency [Line Items]
Standard Product Warranty Description	two to three years or 4,000 to 6,000 hours
Extended warranty [Member]
Product Liability Contingency [Line Items]
Extended Product Warranty Description	two to five years or up to 2,400 to 10,000 hours