SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES - Additional Information (Details)	3 Months Ended	6 Months Ended	9 Months Ended
	Mar. 31, 2020	Sep. 30, 2020 employee Location country	Sep. 30, 2020 employee segment Location country customer
Accounting Policies [Abstract]
Number of operating segments | segment			3
Number of locations in which company operates (more than) | Location		200	200
Number of countries in which the company operates | country		20	20
Number of employees | employee		5,500	5,500
Significant Accounting Policies [Line Items]
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201602Member		us-gaap:AccountingStandardsUpdate201613Member
Sales Revenue, Net | Customer Concentration Risk
Significant Accounting Policies [Line Items]
Number of customers accounted for more than specified percentage of consolidated revenues | customer			0
Executive Officer | Minimum
Significant Accounting Policies [Line Items]
Temporary salary reduction (percent)		0.15
Executive Officer | Maximum
Significant Accounting Policies [Line Items]
Temporary salary reduction (percent)		0.20
Board Of Directors
Significant Accounting Policies [Line Items]
Related party, decrease in cash compensation		0.20