Finance Receivables - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 27, 2020	Sep. 27, 2020	Dec. 31, 2019	Sep. 29, 2019
Retail
Accounts, Notes, Loans and Financing Receivable
Reversal of accrued interest against interest income	$ 3.1	$ 14.5
Finance receivables, gross, 90 days or more past due and accruing interest	22.9	22.9	$ 48.0	$ 35.6
Wholesale
Accounts, Notes, Loans and Financing Receivable
Reversal of accrued interest against interest income	0.4	0.4
Finance receivables, gross, 90 days or more past due and accruing interest	$ 0.3	$ 0.3	$ 2.6	$ 2.0