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ACQUISITIONS - Narrative (Details) $ in Thousands, $ in Thousands |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Aug. 31, 2023 USD ($) payment | Aug. 31, 2023 AUD ($) | Mar. 30, 2024 USD ($) | Dec. 30, 2023 USD ($) | Aug. 31, 2023 AUD ($) payment
Fair Values of Assets Acquired and Liabilities Assumed [Abstract] |  |  |  |  |
Goodwill |  |  | $ 629,888 | $ 632,964 |
Redeemable noncontrolling interests |  |  | $ 44,980 | $ 62,792 |
HR Products |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Acquisitions, net of cash acquired | $ 37,302 | $ 58,044 |  |  |
Retention fund, withheld | $ 4,626 |  |  |  | $ 7,200
Number of equal payments of retention fund | payment | 2 |  |  |  | 2
Payment due of first installment of retention fund, from the date of acquisition | 12 months | 12 months |  |  |
Payment due of second installment of retention fund, from the date of acquisition | 24 months | 24 months |  |  |
Fair Values of Assets Acquired and Liabilities Assumed [Abstract] |  |  |  |  |
Current assets | $ 24,153 |  |  |  |
Property, plant, and equipment | 1,397 |  |  |  |
Goodwill | 9,912 |  |  |  |
Customer relationships | 11,503 |  |  |  |
Other non-current assets | 3,997 |  |  |  |
Total fair value of assets acquired | 50,962 |  |  |  |
Current liabilities | 4,183 |  |  |  |
Operating lease liabilities | 2,792 |  |  |  |
Deferred income taxes | 3,450 |  |  |  |
Total fair value of liabilities assumed | 10,425 |  |  |  |
Net assets acquired | 40,537 |  |  |  |
Other non-current assets | $ 3,997 |  |  |  |
ConcealFab |  |  |  |  |
Fair Values of Assets Acquired and Liabilities Assumed [Abstract] |  |  |  |  |
Percentage acquired |  |  | 9.00% |  |
Consideration transferred |  |  | $ 7,227 |  |
Valmont Substations, LLC |  |  |  |  |
Fair Values of Assets Acquired and Liabilities Assumed [Abstract] |  |  |  |  |
Consideration transferred |  |  | $ 10,518 |  |
Customer relationships |  |  |  |  |
Fair Values of Assets Acquired and Liabilities Assumed [Abstract] |  |  |  |  |
Useful life | 13 years | 13 years |  |  |

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