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ACQUISITIONS AND DISCONTINUED OPERATIONS - Narrative (Details) R in Millions |  |  | 1 Months Ended | 3 Months Ended | 8 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 02, 2023 USD ($) | Feb. 22, 2021 USD ($) dispute | Feb. 22, 2021 ZAR (R) dispute | Jun. 30, 2023 USD ($) | May 31, 2023 USD ($) | Sep. 30, 2023 USD ($) | Jul. 01, 2023 USD ($) | Apr. 01, 2023 USD ($) | Apr. 01, 2023 ZAR (R) | Oct. 01, 2022 USD ($) project | Apr. 02, 2022 USD ($) | Sep. 05, 2023 project | Sep. 30, 2023 USD ($) project | Oct. 01, 2022 USD ($) project | Sep. 04, 2023 USD ($) | Sep. 04, 2023 ZAR (R)
Assets acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  |  | $ (20,400,000) |  |  |  | $ 3,100,000 |  |  | $ 58,400,000 | $ 27,500,000 |  |
Intangible amortization |  |  |  |  |  | 14,600,000 |  |  |  | 6,700,000 |  |  | 32,400,000 | 23,100,000 |  |
Acquisition-related and other costs |  |  |  |  |  | 2,900,000 |  |  |  |  |  |  | $ 5,000,000.0 |  |  |
Number of large power projects | project |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |
Gain (loss) on disposition of discontinued operations, net of tax |  |  |  |  |  | (56,100,000) |  |  |  | $ (9,400,000) |  |  | $ (54,700,000) | $ (17,100,000) |  |
SOUTH AFRICA | Large Power Projects |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain contingency |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 52,100,000 | R 1,000.0
Number of disputes | dispute |  | 2 | 2 |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement |  | $ 8,600,000 | R 126.6 |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) related to litigation settlement |  |  |  |  |  |  |  | $ 6,800,000 | R 126.6 |  |  |  |  |  |  |
SOUTH AFRICA | Large Power Projects | MHI Additional Claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimate of possible legal claim deemed unlikely |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 146,500,000 | R 2,815.2
DBT Technologies | SOUTH AFRICA | Large Power Projects | Non-U.S |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Taxes paid |  |  |  |  |  | 3,800,000 |  |  |  |  |  |  |  |  |  |
Discontinued Operations | Transformer Solutions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment to purchaser |  |  |  |  |  |  |  |  |  |  | $ 13,900,000 |  |  |  |  |
Gain on disposal |  |  |  |  |  |  |  |  |  |  | $ 200,000 |  |  |  |  |
Discontinued Operations | DBT Technologies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on disposition of discontinued operations, net of tax |  |  |  | $ 1,300,000 | $ 5,500,000 |  | $ 6,800,000 |  |  |  |  |  |  |  |  |
Discontinued Operations | DBT Technologies | MHI Additional Claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for legal settlements |  |  |  |  |  |  |  |  |  |  |  |  | 25,300,000 |  |  |
Litigation expense |  |  |  |  |  | 14,500,000 |  |  |  |  |  |  |  |  |  |
Discontinued Operations, Disposed of by Sale | DBT Technologies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of large power projects | project |  |  |  |  |  |  |  |  |  | 2 |  | 2 |  | 2 |  |
Discontinued operation of incurred charges |  |  |  |  |  | 54,200,000 |  |  |  |  |  |  |  |  |  |
Accounts receivable and other assets, write off |  |  |  |  |  | 15,200,000 |  |  |  |  |  |  | 15,200,000 |  |  |
ASPEQ Parent Holdings, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration | $ 421,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash acquired | 900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets | 246,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross amount of receivables acquired | 18,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired receivable, fair Value | 17,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, expected tax deductible amount | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 26,000,000.0 |  |  |  |  |  |  | 34,600,000 |  |  |
Net loss |  |  |  |  |  | 800,000 |  |  |  |  |  |  | 1,300,000 |  |  |
Intangible amortization |  |  |  |  |  | 6,700,000 |  |  |  |  |  |  | 9,400,000 |  |  |
Inventory Write-down |  |  |  |  |  | $ 2,500,000 |  |  |  |  |  |  | 3,600,000 |  |  |
Acquisition-related and other costs |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,100,000 |  |  |
ASPEQ Parent Holdings, Inc. | Customer relationships |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets | $ 142,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization period | 12 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ASPEQ Parent Holdings, Inc. | Trademarks |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets | $ 51,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ASPEQ Parent Holdings, Inc. | Technology |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets | $ 47,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization period | 16 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ASPEQ Parent Holdings, Inc. | Customer Backlog |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets | $ 4,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization period | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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