XML 11 R81.htm IDEA: XBRL DOCUMENT v3.19.3
Pension Plans and Other Post Retirement Benefits - Components of Net Pension Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Jun. 30, 2019
Assumptions:      
Net pension expense $ 1,436 $ 1,145  
Pension Plan      
Assumptions:      
Service cost 520 462 $ 1,887
Interest cost 283 359 1,431
Amortization of actuarial (gains) and losses 224 69  
Net pension expense 1,027 890  
Pension Plan | CDT defined benefit plan      
Assumptions:      
Service cost 142 141 550
Interest cost 114 165 642
Amortization of actuarial (gains) and losses 234 176  
Net pension expense 490 482  
Pension Plan | GXS GER defined benefit plan      
Assumptions:      
Service cost 79 145 566
Interest cost 84 126 489
Amortization of actuarial (gains) and losses 61 33  
Net pension expense 224 304  
Pension Plan | GXS PHP defined benefit plan      
Assumptions:      
Service cost 299 176 771
Interest cost 85 68 $ 300
Amortization of actuarial (gains) and losses (71) (140)  
Net pension expense $ 313 $ 104