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Investment in Unconsolidated Affiliate (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Mar. 23, 2018	Nov. 21, 2017	Oct. 15, 2016	Jun. 30, 2016	Aug. 05, 2015
Schedule of Equity Method Investments [Line Items]
Proceeds from sale of unconsolidated affiliates	$ 5.0	$ 9.9	$ 0.0
Gain from unconsolidated affiliates	3.8	(3.7)	0.0
Gain on sale of unconsolidated affiliates	1.2	0.2	0.0
FHC Investment value	0.0	25.4
FHC Impairment charge	37.0	0.0	207.3
Pacific New Investment Limited [Member]
Schedule of Equity Method Investments [Line Items]
Investment in Unconsolidated Affiliates						$ 4.8	$ 4.8
Proceeds from sale of unconsolidated affiliates		9.9
Hi-Speed [Member]
Schedule of Equity Method Investments [Line Items]
Percent Ownership								6.00%
Fluid Holding Corp
Schedule of Equity Method Investments [Line Items]
Investment in Unconsolidated Affiliates		$ 25.4
Percent Ownership					10.00%
FHC Investment value			$ 25.4
FHC Impairment charge	25.4
Biosyn Holdings, LLC
Schedule of Equity Method Investments [Line Items]
Investment in Unconsolidated Affiliates				$ 4.0
Proceeds from sale of unconsolidated affiliates	$ 5.0