Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details)

v3.10.0.1
Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Valuation Allowance [Line Items]      
Continuing operations tax at statutory rate $ (5.3) $ (6.7) $ (7.3)
Permanent book/tax differences 1.7 0.6 3.6
Tax on foreign and foreign-source income 1.1 (1.4) (1.5)
State income tax expense (benefit), net of federal benefit (0.6) (0.8) (0.6)
Research and development credits (0.6) (0.7) (0.8)
Domestic production activities 0.0 0.0 (0.4)
Other 0.1 0.1 (0.1)
Total income tax expense (benefit) (6.0) (2.0) (4.7)
State      
Valuation Allowance [Line Items]      
(Decrease)/increase in valuation allowances on deferred foreign income tax assets 0.7 5.2 0.0
Law changes 0.0 (1.1) 0.0
Federal      
Valuation Allowance [Line Items]      
(Decrease)/increase in valuation allowances on deferred foreign income tax assets 0.2 0.0 0.0
Law changes 0.1 0.8 0.0
Foreign      
Valuation Allowance [Line Items]      
(Decrease)/increase in valuation allowances on deferred foreign income tax assets $ (3.4) $ 2.0 $ 2.4