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Discontinued Operations, Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022
Identifiable intangible assets with finite useful lives |  |
Intangible Assets, Net | $ 31,290 | $ 35,552
Minimum |  |
Identifiable intangible assets with finite useful lives |  |
Amortization Period | 1 year |
Maximum |  |
Identifiable intangible assets with finite useful lives |  |
Amortization Period | 11 years |
Customer relationships |  |
Identifiable intangible assets with finite useful lives |  |
Gross Amount | $ 663,400 | 663,000
Accumulated Amortization | (632,100) | (627,400)
Intangible Assets, Net | $ 31,300 | $ 35,600

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