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Acquisitions (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Nov. 01, 2018 | Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Sep. 30, 2019
Business Acquisition [Line Items] |  |  |  |  |  |
Payment to acquire business, net of cash acquired |  |  |  | $ 0 | $ 11,525 |
Percentage of ownership sold |  |  |  |  |  | 51.00%
Proceeds from sale of ownership interest |  |  |  | 42,210 | 8,254 |
(Gain) loss on sale of ownership interests in a subsidiary |  | $ (11,208) | $ 0 | $ (11,208) | $ 4,465 |
Frost Converting Systems |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Percentage of ownership acquired | 80.00% |  |  |  |  |
Payment to acquire business, net of cash acquired | $ 7,162 |  |  |  |  |
Memorialization Business |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Payment to acquire business, net of cash acquired |  |  |  |  |  | $ 3,094

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