Leases (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Operating lease, not yet commenced, liability	$ 0.6
Rent expense, excluding variable and short-term expenses	26.8	$ 23.0
Total rent expense including variable rent and short-term expenses	$ 28.7	$ 25.5
Minimum
Lessee, Lease, Description [Line Items]
Operating leases, not yet commenced, lease term	3 years 2 months 12 days
Maximum
Lessee, Lease, Description [Line Items]
Operating lease, termination period	1 year
Operating leases, not yet commenced, lease term	7 years 8 months 12 days