Leases (Details) - USD ($) $ in Millions	Jan. 01, 2019	Dec. 31, 2019
Lessee Disclosure [Abstract]
Lease, Practical Expedients, Package [true false]	true
Lease, Practical Expedient, Lessor Single Lease Component [true false]	true
Lease, Practical Expedient, Land Easement [true false]	true
Assets and Liabilities, Lessee [Abstract]
Operating Lease, Right-of-Use Asset		$ 71.4
Finance Lease, Right-of-Use Asset		$ 7.9
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]		Property, Plant and Equipment, Net
Operating lease liabilities - current portion		$ 14.1
Operating lease liabilities - noncurrent portion		58.0
Finance lease liabilities - current portion		$ 2.6
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]		Debt Current Excluding Operating Lease Obligations
Finance lease liabilities - noncurrent portion		$ 5.3
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]		Long-term Debt, Excluding Current Maturities