Quarterly report pursuant to Section 13 or 15(d)

Employee Defined Benefit Retirement Plans (Details)

v3.22.1
Employee Defined Benefit Retirement Plans (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Jul. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Retirement plan liability       $ 7.9
Net periodic benefit cost $ 0.1 $ 0.1    
Other Long-term Investments        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Defined benefit obligation $ 4.5   $ 4.5