Restructuring and Impairment Activities (Details) - USD ($) $ in Millions		3 Months Ended		12 Months Ended
	Dec. 18, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense		$ 0.1	$ 0.0
Restructuring Reserve [Roll Forward]
Balance at beginning of year		0.5	1.4	$ 1.4
Accruals for announced programs		0.1		3.7
Cash payments		(0.3)		(4.2)
Other		0.0		(0.4)
Balance at end of period		0.3		$ 0.5
EP
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense		0.1	$ 0.0
EP | FRANCE | Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment expense		$ 0.1
EP | Philippines
Restructuring Reserve [Roll Forward]
Total consideration on disposal	$ 13.3
Net gain on disposal	$ 0.3