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REVENUE FROM CONTRACTS WITH CUSTOMERS - Narrative (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jul. 01, 2023 | Jun. 25, 2022 | Dec. 31, 2022
Disaggregation of Revenue [Line Items] |  |  |
Percentage of unbilled revenue billed during period | 85.00% | 75.00% |
Amount of unbilled revenue billed during period | $ 204.0 | $ 161.0 |
Percentage of contract liabilities recognized as revenue during period | 75.00% | 75.00% |
Contract with customer, liability, revenue recognized, including opening balance | $ 290.0 |  |
Amount of contract liabilities recognized as revenue |  | $ 240.0 |
Unpaid advanced client billings | 42.0 |  | $ 54.0
Accounts receivable, credit loss expense (reversal) | 9.1 | $ 0.4 |
Performance obligations expected to be satisfied | $ 1,029.1 |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-02 |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue, remaining performance obligation, percentage | 50.00% |  |
Performance obligations expected to be satisfied, expected timing | 12 months |  |

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- Definition Contract With Customer, Asset, Percentage Of Amount Reclassified To Receivable + References No definition available. + Details
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- Definition Contract with Customer, Liability, Revenue Recognized, Including Opening Balance + References No definition available. + Details
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- Definition Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time from transfer to receivable due to right to consideration becoming unconditional. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-10 + Details
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-8 + Details
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