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Acquisitions - Tiffin Group Narrative (Details) - USD ($) $ in Thousands |  | 9 Months Ended
--- | --- | ---
Dec. 18, 2020 | Apr. 30, 2022 | Apr. 30, 2021
Business Acquisition [Line Items] |  |  |
Total cash consideration for acquisition, less cash acquired |  | $ 781,967 | $ 310,938
Tiffin Group |  |  |
Business Acquisition [Line Items] |  |  |
Total cash consideration for acquisition, less cash acquired | $ 288,238 |  |
Acquired finite-lived intangible assets, weighted average useful life | 18 years 9 months 18 days |  |
Tiffin Group | Asset-based credit facility |  |  |
Business Acquisition [Line Items] |  |  |
Amount of cash borrowed from long term line of credit to fund business acquisition | $ 165,000 |  |
Tiffin Group | Trademarks |  |  |
Business Acquisition [Line Items] |  |  |
Remaining amortization period | 20 years |  |
Tiffin Group | Minimum | Dealer network |  |  |
Business Acquisition [Line Items] |  |  |
Remaining amortization period | 18 years |  |
Tiffin Group | Minimum | Backlog |  |  |
Business Acquisition [Line Items] |  |  |
Remaining amortization period | 5 months |  |
Tiffin Group | Maximum | Dealer network |  |  |
Business Acquisition [Line Items] |  |  |
Remaining amortization period | 20 years |  |
Tiffin Group | Maximum | Backlog |  |  |
Business Acquisition [Line Items] |  |  |
Remaining amortization period | 7 months |  |

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