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DEBT - Narrative (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 02, 2023 | Jun. 30, 2024 | Jun. 25, 2023 | Jun. 30, 2024 | Jun. 25, 2023 | Dec. 31, 2023 | Dec. 06, 2019 | Aug. 01, 2014
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Amortization of debt issuance costs |  | $ 0 | $ 0 | $ 100,000 | $ 300,000 |  |  |
Amortization of debt discount |  | 200,000 | 200,000 | 300,000 | 300,000 |  |  |
Interest cost |  | $ 6,603,000 | $ 6,523,000 | $ 13,133,000 | $ 13,966,000 |  |  |
Line of Credit |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Commitment fee percentage |  |  |  | 0.20% | 0.25% |  |  |
Letter of credit fee percentage |  | 2.50% | 2.75% | 2.50% | 2.75% |  |  |
Fronting fee, percentage |  |  | 0.125% |  | 0.125% |  |  |
Effective interest rate |  | 8.31% | 8.16% | 8.31% | 8.16% |  |  |
2023 revolver facility |  | $ 307,600,000 |  | $ 307,600,000 |  | $ 309,400,000 |  |
Debt issuance costs | $ 3,600,000 |  |  |  |  |  |  |
Line of Credit | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Adjusted leverage ratio | 0.00% |  |  |  |  |  |  |
Line of Credit | One-Month Secured Overnight Financing Rate |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Adjusted leverage ratio | 0.10% |  |  |  |  |  |  |
Line of Credit | Three-Month Secured Overnight Financing Rate |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Adjusted leverage ratio | 0.15% |  |  |  |  |  |  |
Line of Credit | 2014 Term B-3 Loans |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  |  |  | $ 332,400,000 | $ 335,000,000
Payments of debt | $ 321,800,000 |  |  |  |  |  |  |
Line of Credit | 2014 Revolving Facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit maximum borrowing capacity |  |  |  |  |  |  | $ 50,000,000 |
Line of Credit | 2023 Term Loan | Term Loans |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Aggregate principal amount | 300,000,000 |  |  |  |  |  |  |
Interest rate at period end |  | 7.98% | 8.00% | 7.98% | 8.00% |  |  |
Annual amount for first year |  | $ 7,500,000 |  | $ 7,500,000 |  |  |  |
Annual amount for second year |  | 7,500,000 |  | 7,500,000 |  |  |  |
Annual amount for third year |  | 15,000,000 |  | 15,000,000 |  |  |  |
Annual amount for fourth year |  | 15,000,000 |  | 15,000,000 |  |  |  |
Annual amount for fifth year |  | 30,000,000 |  | 30,000,000 |  |  |  |
2023 revolver facility |  | 290,600,000 |  | 290,600,000 |  | 294,400,000 |  |
Line of Credit | 2023 Term Loan | 2023 Revolver Facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
2023 revolver facility |  | $ 17,000,000 |  | $ 17,000,000 |  | 15,000,000 |  |
Line of Credit | Revolving Credit Facility | 2023 Revolver Facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit maximum borrowing capacity | 100,000,000 |  |  |  |  |  |  |
Line of Credit | Revolving Credit Facility | New Revolver Facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate at period end |  | 7.94% |  | 7.94% |  |  |  |
Remaining borrowing capacity |  | $ 78,800,000 |  | $ 78,800,000 |  | 80,700,000 |  |
Line of Credit | Revolving Credit Facility | 2014 Revolving Facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit maximum borrowing capacity | $ 50,000,000 |  |  |  |  |  |  | 30,000,000
Line of Credit | Letter of Credit |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit maximum borrowing capacity |  |  |  |  |  |  |  | $ 7,500,000
Line of Credit | Letter of Credit | New Revolver Facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Letters of credit |  | $ 4,200,000 |  | $ 4,200,000 |  | $ 4,300,000 |  |

X
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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(8)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-3 + Details
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