REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Client Receivables, Contract Assets and Contract Liabilities (Details) - USD ($) $ in Thousands	Apr. 01, 2023	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Client receivables	$ 587,706	$ 559,410
Unbilled revenue	217,297	204,258
Total	805,003	763,668
Less: Allowance for credit losses	(16,694)	(11,278)
Trade receivables and contract assets, net	788,309	752,390
Current deferred revenue	262,226	264,259
Long-term deferred revenue (included in Other long-term liabilities)	29,286	25,795
Customer contract deposits (included in Other current-liabilities)	$ 93,362	$ 91,640

Contract With Customer Liability, Customer Deposits

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Contract With Customer Liability, Deferred Revenue, Current

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Contract With Customer Liability, Deferred Revenue, Noncurrent

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Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for billed goods or services.

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Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount of allowance for credit loss on accounts receivable, classified as current.

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Amount, before allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

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