Adoption of ASC 842 (Details) $ in Millions	Dec. 31, 2019 USD ($)	Jan. 01, 2019 USD ($)	Dec. 31, 2018 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total lease liabilities	$ 72.0
Operating lease right-of-use assets	70.1		$ 0.0
Finance Lease	$ 0.0
Lease, operating lease, terminate term	1
Maximum [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating leases, option to extend	5 years
Operating lease, term of contract	12 months
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total lease liabilities		$ 73.1
Operating lease right-of-use assets		$ 71.0