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Acquisitions (Narrative) (Details) - USD ($) $ in Thousands | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Aug. 31, 2022 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022
Business Acquisition [Line Items] |  |  |  |
Goodwill |  | $ 799,147 |  | $ 772,559
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2023 |  | 19,075 |  |
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2024 |  | 33,282 |  |
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2025 |  | 28,132 |  |
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2026 |  | 28,073 |  |
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2027 |  | 28,020 |  |
P M Controls [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total cash consideration | $ 22,890 |  |  |
Measurement period adjustment reduced intangible assets |  | (1,042) |  |
Working capital adjustment resulting in reduction of goodwill |  | $ (863) |  |
Goodwill | 8,705 |  |  |
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2023 |  |  | $ 1,191 |
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2024 |  |  | 865 |
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2025 |  |  | 757 |
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2026 |  |  | 757 |
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2027 |  |  | $ 757 |
P M Agreements [Member] | P M Controls [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total cash consideration | $ 21,421 |  |  |

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