Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.20.1
Subsequent Events (Details) - Prime Turbines - USD ($)
$ in Millions
12 Months Ended
Jan. 28, 2020
Dec. 31, 2020
Minimum | Forecast    
Subsequent Event [Line Items]    
Non-cash loss on sale of business   $ (6.0)
Maximum | Forecast    
Subsequent Event [Line Items]    
Non-cash loss on sale of business   $ 7.5
Subsequent Event    
Subsequent Event [Line Items]    
Proceeds from sale of business $ 21.0