REVENUE (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Short-term contract assets	$ 51,800,000		$ 51,800,000		$ 46,600,000
Long-term contract assets	40,700,000		40,700,000		40,500,000
Current portion of deferred revenues	1,617,254,000		1,617,254,000		1,708,058,000
Long-term portion of deferred revenues	311,584,000		311,584,000		329,535,000
Deferred revenue recognized	605,300,000		1,070,000,000.00
Impairment charges related to contract assets	0	$ 0	0	$ 0
Short-term contract acquisition costs	85,400,000		85,400,000		82,400,000
Long-term contract acquisition costs	145,800,000		145,800,000		$ 144,200,000
Impairment of capitalized costs	0	0	0	0
Sales, Marketing and Services Expense
Disaggregation of Revenue [Line Items]
Amortization of capitalized contract acquisition costs	$ 22,000,000	$ 18,900,000	$ 43,700,000	$ 37,200,000
Minimum
Disaggregation of Revenue [Line Items]
Intangible asset life			2 years
Minimum | Customer Relationships
Disaggregation of Revenue [Line Items]
Intangible asset life			3 years
Maximum
Disaggregation of Revenue [Line Items]
Intangible asset life			7 years
Maximum | Customer Relationships
Disaggregation of Revenue [Line Items]
Intangible asset life			5 years