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GOODWILL AND INTANGIBLE ASSETS (Tables) | 3 Months Ended
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Dec. 31, 2022
GOODWILL AND INTANGIBLE ASSETS |
Schedule of changes in goodwill | The following is a rollforward of the Company’s goodwill: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2022 |  | ​ | Impairment | ​ | December 31, 2022
DSA | ​ | $ | 91,458 | ​ | $ | — | ​ | $ | 91,458
RMS | ​ |  | 302,372 | ​ |  | — | ​ |  | 302,372
Gross Carrying Amount | ​ | ​ | 393,830 | ​ | ​ | — | ​ | ​ | 393,830
Accumulated impairment loss - RMS | ​ | ​ | (236,005) | ​ |  | (66,367) | ​ |  | (302,372)
Goodwill | ​ | $ | 157,825 | ​ | $ | (66,367) | ​ | $ | 91,458
​
Schedule of intangible assets | The following table displays intangible assets, net by major class:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ | ​ | Carrying | ​ | Accumulated | ​ | Carrying
​ |  | Amount, Gross |  | Amortization |  | Amount, Net
Customer relationships | ​ | $ | 320,203 | ​ | $ | (34,069) | ​ | $ | 286,134
Intellectual property | ​ |  | 57,159 | ​ |  | (7,445) | ​ |  | 49,714
Non-compete agreements | ​ | ​ | 2,410 | ​ | ​ | (986) | ​ | ​ | 1,424
Other | ​ | ​ | 2,396 | ​ | ​ | (1,212) | ​ | ​ | 1,184
​ | ​ | $ | 382,168 | ​ | $ | (43,712) | ​ | $ | 338,456
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2022
​ | ​ | Carrying | ​ | Accumulated | ​ | Carrying
​ |  | Amount, Gross |  | Amortization |  | Amount, Net
Customer relationships | ​ | $ | 318,896 | ​ | $ | (26,990) | ​ | $ | 291,906
Intellectual property | ​ |  | 56,997 | ​ |  | (5,767) | ​ |  | 51,230
Non-compete agreements | ​ | ​ | 2,410 | ​ | ​ | (872) | ​ | ​ | 1,538
Other | ​ | ​ | 2,396 | ​ | ​ | (1,184) | ​ | ​ | 1,212
​ | ​ | $ | 380,699 | ​ | $ | (34,813) | ​ | $ | 345,886
​

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