Leases Cash paid for amounts included in the measurement of lease liabilities (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Lessee, Lease Terms and Discount Rates [Abstract]
Operating Lease, Payments	$ 66.9
Finance Lease, Principal Payments	0.3
Lease, Payments	11.3
Lease, Payments	$ 78.5