CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total		Common Stock, $0.001 Per Share Par Value	Capital In Excess of Par	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance at Dec. 31, 2018	$ 489.6		$ 0.1	$ 512.3	$ 26.4	$ (49.2)	$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss)/income	16.9
Stock compensation plans	1.2			1.2
Net hedging losses, net of income tax	(0.1)					(0.1)
Foreign currency translation adjustments	1.0	[1]				1.0
Ending balance at Mar. 31, 2019	508.6		0.1	513.5	43.3	(48.3)	0.0
Beginning balance at Dec. 31, 2019	544.0		0.1	516.4	76.6	(48.3)	(0.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss)/income	(1.9)
Stock compensation plans	1.2			1.2
Net hedging losses, net of income tax	0.0
Shares withheld for taxes - common stock issuances	(0.7)			(0.7)
Foreign currency translation adjustments	(1.8)	[1]				(1.8)
Ending balance at Mar. 31, 2020	$ 540.8		$ 0.1	$ 516.9	$ 74.7	$ (50.1)	$ (0.8)

[1] Income taxes are not provided on the equity in undistributed earnings of our foreign subsidiaries since it is our intention that such earnings will remain invested in those subsidiaries indefinitely.