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Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Mar. 31, 2024
Accumulated Other Comprehensive Loss |
Schedule of Accumulated Other Comprehensive Loss | The components of accumulated other comprehensive loss are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | September 30,
​ |  | 2024 |  | 2023
​ | ​ | (Amounts in thousands)
Cumulative effect of foreign currency translation, net | ​ | $ | (4,589) | ​ | $ | (4,829)
Cumulative unrealized loss on pension liability | ​ |  | (1,265) | ​ |  | (1,265)
Accumulated other comprehensive loss, net | ​ | $ | (5,854) | ​ | $ | (6,094)

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