Accounting Pronouncements (Details) - USD ($) $ in Millions	Jun. 30, 2019		Jan. 01, 2019
Accounting Pronouncements [Abstract]
Operating Lease, Right-of-Use Asset	$ 43.1	[1]	$ 34.5
Operating Lease, Liability	$ 47.8	[2]	$ 39.1

[1] Included in Property, Plant and Equipment in the 2019 Condensed Consolidated Balance Sheet.

[2] Included in Other Deferred Credits and Other Liabilities in the 2019 Condensed Consolidated Balance Sheet.