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ACQUISITIONS - Narrative (Details) - USD ($) | Aug. 10, 2022 | Jun. 01, 2022 | May 10, 2022 | May 12, 2021 | Apr. 20, 2021 | Sep. 24, 2022 | Dec. 25, 2021
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Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill |  |  |  |  |  | $ 728,587,000 | $ 708,566,000
ConcealFab |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Percentage acquired |  | 51.00% |  |  |  |  |
Cash paid in acquisition |  | $ 39,287,000 |  |  |  |  |
Contingent consideration liability, current |  | 1,850,000 |  |  |  |  |
Goodwill |  | 42,465,000 |  |  |  |  |
ConcealFab | Customer Relationships |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Intangible assets |  | 26,200,000 |  |  |  |  |
ConcealFab | Trade Names |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Intangible assets |  | $ 5,000,000 |  |  |  |  |
Prospera |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash paid in acquisition |  |  |  | $ 300,000,000 |  |  |
Goodwill expected to be tax deductible |  |  |  | 0 |  |  |
Goodwill |  |  |  | $ 273,453,000 |  |  |
Prospera | Developed Technology |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Useful life |  |  |  | 5 years |  |  |
Intangible assets |  |  |  | $ 32,900,000 |  |  |
Prospera | Trade Names |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Useful life |  |  |  | 7 years |  |  |
Intangible assets |  |  |  | $ 2,850,000 |  |  |
PivoTrac |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Cash paid in acquisition |  |  |  |  | $ 12,500,000 |  |
Contingent consideration liability, current |  |  |  |  | 1,500,000 |  |
Goodwill expected to be tax deductible |  |  |  |  | 0 |  |
Consideration transferred |  |  |  |  | 14,000,000 |  |
Goodwill |  |  |  |  | $ 10,800,000 |  |
PivoTrac | Customer Relationships |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Useful life |  |  |  |  | 8 years |  |
Intangible assets |  |  |  |  | $ 2,627,000 |  |
Convert Italy S.p.A |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Percentage acquired | 9.00% |  |  |  |  |  |
Consideration transferred | $ 3,046,000 |  |  |  |  |  |
Valmont West Coast Engineering |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Percentage acquired |  |  | 20.00% |  |  |  |
Consideration transferred |  |  | $ 4,292,000 |  |  |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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