XML 24 R6.htm IDEA: XBRL DOCUMENT v3.20.4
Consolidated Statements of Comprehensive Loss (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Statement of Comprehensive Income [Abstract]      
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax $ 0.1 $ 0.0 $ 0.0
Net change in pension liability, tax 0.5 0.7 1.0
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Plan Amendments, Tax Effect   7.2  
Unrealized foreign currency translation gains (losses), tax 0.2 (0.3) 0.0
Tax benefit, net $ (1.0) $ (2.0) $ 1.8