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Goodwill and Other Long-Lived Assets - Summary of Changes in Carrying Amount of Goodwill (Detail) - USD ($) | 12 Months Ended
--- | ---
May 31, 2023 | May 31, 2022
Goodwill [Line Items] |  |  |
Goodwill, Beginning Balance |  | $ 401,469,000 | $ 351,056,000
Acquisitions and purchase accounting adjustments | [1] | 15,146,000 | 60,547,000
Translation adjustments |  | (1,795,000) | (10,134,000)
Goodwill, Ending Balance |  | 414,820,000 | 401,469,000
Steel Processing |  |  |
Goodwill [Line Items] |  |  |
Goodwill, Beginning Balance |  | 80,033,000 | 20,218,000
Acquisitions and purchase accounting adjustments | [1] | (801,000) | 60,115,000
Translation adjustments |  | (590,000) | (300,000)
Goodwill, Ending Balance |  | 78,642,000 | 80,033,000
Consumer products |  |  |
Goodwill [Line Items] |  |  |
Goodwill, Beginning Balance | [2] | 241,373,000 | 240,941,000
Acquisitions and purchase accounting adjustments | [1],[2] | 15,947,000 | 432,000
Goodwill, Ending Balance | [2] | 257,320,000 | 241,373,000
Building Products |  |  |
Goodwill [Line Items] |  |  |
Goodwill, Beginning Balance | [2] | 65,408,000 | 72,273,000
Translation adjustments | [2] | (195,000) | (6,865,000)
Goodwill, Ending Balance | [2] | 65,213,000 | 65,408,000
Sustainable Energy Solutions |  |  |
Goodwill [Line Items] |  |  |
Goodwill, Beginning Balance | [2] | 14,655,000 | 17,624,000
Translation adjustments | [2] | (1,010,000) | (2,969,000)
Goodwill, Ending Balance | [2] | 13,645,000 | 14,655,000
Other |  |  |
Goodwill [Line Items] |  |  |
Goodwill, Beginning Balance |  | 0 |
Goodwill, Ending Balance |  | $ 0 | $ 0
[1] | For additional information regarding our acquisitions, refer to “Note Q - Acquisitions.”
[2] | In connection with the realignment of the our legacy Pressure Cylinders business, as discussed further in “Note P - Segment Data”, the goodwill of our legacy Pressure Cylinders business unit was allocated to the new reporting units on a relative fair value basis.

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