Recent Accounting Pronouncements Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease, liability	$ 603.1
Operating lease, right-of-use asset	$ 491.6
2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease, liability		$ 530.0
Operating lease, right-of-use asset		$ 480.0