Accumulated Other Comprehensive Loss (Components of AOC) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019		Dec. 31, 2018		Dec. 31, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amounts reclassified from accumulated other comprehensive loss	$ (1.4)		$ (0.1)
Total other comprehensive income (loss)	(1.9)		(1.5)		$ 1.1
Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amounts reclassified from accumulated other comprehensive loss	0.0		0.0
Total other comprehensive income (loss)	0.2		0.0
Foreign Currency Translation Adjustment
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amounts reclassified from accumulated other comprehensive loss	(1.2)		0.0
Total other comprehensive income (loss)	1.2		0.0
Defined Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amounts reclassified from accumulated other comprehensive loss	(0.2)		(0.1)
Total other comprehensive income (loss)	(3.3)		(1.5)
Reclassification out of Accumulated Other Comprehensive Income | Defined Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Total other comprehensive income (loss)	(1.4)		(0.1)
Pension Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Amortization of actual gains	$ (0.2)	[1]	$ (0.1)	[1]	$ (0.9)

[1] This accumulated other comprehensive loss component is included in the computation of net periodic pension cost. Please read Note 15 - “Employee Benefit Plans” for additional information.