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SIGNIFICANT ACCOUNTING POLICIES (Details - Fair Value Measurements) - USD ($) $ in Thousands	Jun. 30, 2022	Jan. 20, 2022	Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
First Lien Term Loans and SunTrust Term Loan	$ 761,250		$ 767,875
Quantib B.V
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Additional number of shares issued (in shares)		113,303
Estimate of Fair Value Measurement
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
First Lien Term Loans and SunTrust Term Loan	721,774		766,973
Estimate of Fair Value Measurement | Aidence Holding B.V.
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Milestone contingent consideration	6,686
Estimate of Fair Value Measurement | Quantib B.V
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Milestone contingent consideration	1,751
Estimate of Fair Value Measurement | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
First Lien Term Loans and SunTrust Term Loan	0		0
Estimate of Fair Value Measurement | Level 1 | Aidence Holding B.V.
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Milestone contingent consideration	0
Estimate of Fair Value Measurement | Level 1 | Quantib B.V
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Milestone contingent consideration	0
Estimate of Fair Value Measurement | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
First Lien Term Loans and SunTrust Term Loan	721,774		766,973
Estimate of Fair Value Measurement | Level 2 | Aidence Holding B.V.
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Milestone contingent consideration	0
Estimate of Fair Value Measurement | Level 2 | Quantib B.V
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Milestone contingent consideration	0
Estimate of Fair Value Measurement | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
First Lien Term Loans and SunTrust Term Loan	0		0
Estimate of Fair Value Measurement | Level 3 | Aidence Holding B.V.
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Milestone contingent consideration	6,686
Estimate of Fair Value Measurement | Level 3 | Quantib B.V
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Milestone contingent consideration	1,751
2019 Swaps - Interest Rate Contracts | Estimate of Fair Value Measurement
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
2019 Swaps - Interest Rate Contracts	10,806		16,319
2019 Swaps - Interest Rate Contracts | Estimate of Fair Value Measurement | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
2019 Swaps - Interest Rate Contracts	0		0
2019 Swaps - Interest Rate Contracts | Estimate of Fair Value Measurement | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
2019 Swaps - Interest Rate Contracts	10,806		16,319
2019 Swaps - Interest Rate Contracts | Estimate of Fair Value Measurement | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
2019 Swaps - Interest Rate Contracts	$ 0		$ 0

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