Leases - Additional Information (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Lessor, Lease, Description [Line Items]
Lease expense	$ 6.9	$ 20.5
Amounts included in measurement of lease liabilities	6.7	21.1
Amount to obtain ROU assets	18.1	$ 31.3
Term of options to extend leases		12 months
Term for option to terminate leases		1 year
Interest income for sales-type and direct finance leases	$ 3.1	$ 7.4
Minimum
Lessor, Lease, Description [Line Items]
Term of contract on operating lease	1 year	1 year
Renewal term of operating lease	1 year	1 year
Remaining lease terms on sales type and direct finance leases		3 years
Maximum
Lessor, Lease, Description [Line Items]
Term of contract on operating lease	44 years	44 years
Renewal term of operating lease	5 years	5 years
Remaining lease terms on sales type and direct finance leases		20 years