XML 89 R76.htm IDEA: XBRL DOCUMENT v3.23.3
Employee Benefit Plans (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2023
Jun. 30, 2023
Other Postretirement Benefits Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Benefit based on highest average salary for number of consecutive years   5 years  
Number of years for consecutive years calculation   10 years  
Percent of annual salary to calculate benefit   2.00%  
Pension Plan      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Remaining benefit obligation     $ 7.7
Settlement charge $ 2.4    
Postretirement Health Coverage      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Percentage of costs paid for retirees before 1993   100.00%