Leases (Narrative) (Details) - USD ($) $ in Millions			3 Months Ended
	Sep. 28, 2022	Mar. 17, 2022	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Jun. 30, 2022
Lessee, Lease, Description [Line Items]
Operating lease fixed term		2 years
Initial lease term		2 years
Renewal term		1 year
Operating lease right-of-use assets			$ 1,369.8		$ 123.0
Operating lease liability		$ 4.5	1,266.4		$ 111.9
Operating lease, additional leases term		2 years
Property purchased			$ 23.5	$ 2.0
Bolton Properties Sale Leaseback Transaction [Member]
Lessee, Lease, Description [Line Items]
Operating leases, remaining life			28 months
Operating lease right-of-use assets		$ 16.6
Minimum
Lessee, Lease, Description [Line Items]
Operating leases, remaining life			1 month
Finance leases, remaining life			1 month
Maximum
Lessee, Lease, Description [Line Items]
Operating leases, remaining life			20 years
Finance leases, remaining life			6 years
Maltby auction site
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets						$ 9.0
Operating lease liability						$ 9.0
Property purchased	$ 13.5