Leases Notes (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Total lease expense	$ 32.1	$ 94.8
Operating lease not yet commenced	$ 119.7	$ 119.7
Minimum [Member]
Lessee, Lease, Description [Line Items]
Operating lease term	10 years	10 years
Operating lease not yet commenced term	10 years	10 years
Maximum [Member]
Lessee, Lease, Description [Line Items]
Operating lease term	15 years	15 years
Operating lease not yet commenced term	15 years	15 years