Revenue Recognition - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2022
Loss Contingencies [Line Items]
Increase (decrease) adjustment to revenue		$ 3.0			$ (30.1)	$ (24.2)
Deferred costs to fulfill contracts		0.4		$ 0.4			$ 0.3
Amortization of deferred costs		0.4	$ 0.5	1.5	$ 1.5
Certain Payor Matters
Loss Contingencies [Line Items]
Total settlement amount	$ 42.0
Settlement period (in years)	4 years
Settlement amount, first installment payment	$ 15.0
Settlement amount, next installment payment	$ 5.0
Liability reserve, potential recoupments, current		$ 32.2		$ 32.2
Liability reserve, potential recoupments, noncurrent							$ 39.0