Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allowance for doubtful accounts receivable
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 37.1	$ 51.1	$ 66.6
Charged to Costs and Expenses	51.7	62.4	78.3
Charged to Revenue	0.0	0.0	0.0
Deductions	(53.6)	(76.4)	(93.8)
Balance at End of Period	35.2	37.1	51.1
Refund liability
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	4.3
Charged to Costs and Expenses	0.0
Charged to Revenue	52.8
Deductions	(54.1)
Balance at End of Period	3.0	4.3
Refund liability
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	4.3	9.1	10.7
Charged to Costs and Expenses		0.0	0.0
Charged to Revenue		75.9	101.4
Deductions		(80.7)	(103.0)
Balance at End of Period		4.3	9.1
Allowance for inventory obsolescence
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	54.8	70.4	82.0
Charged to Costs and Expenses	22.6	26.8	37.9
Charged to Revenue	0.0	0.0	0.0
Deductions	(31.3)	(42.4)	(49.5)
Balance at End of Period	46.1	54.8	70.4
Deferred tax asset valuation allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	815.4	2,327.6	2,960.0
Charged to Costs and Expenses	126.0	125.7	(632.4)
Charged to Revenue	0.0	0.0	0.0
Deductions	0.0	(1,637.9)	0.0
Balance at End of Period	$ 941.4	$ 815.4	$ 2,327.6