BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Balance Sheet) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Apr. 01, 2019	Mar. 31, 2019
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Prepaid expenses and other	$ 228,567	$ 185,896	$ 186,688
Right-of-use assets	153,053	118,799	0
Accrued expenses and other current liabilities	1,147,918	1,032,719	1,035,695
Lease liabilities	24,108	18,937	0
Non-current lease liabilities	151,400	122,041	0
Other long-term liabilities	$ 196,905	$ 209,638	229,633
Previously Reported
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Prepaid expenses and other			186,688
Right-of-use assets			0
Accrued expenses and other current liabilities			1,035,695
Lease liabilities			0
Non-current lease liabilities			0
Other long-term liabilities			229,633
Adjustments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Prepaid expenses and other			(792)
Right-of-use assets			118,799
Accrued expenses and other current liabilities			(2,976)
Lease liabilities			18,937
Non-current lease liabilities			122,041
Other long-term liabilities			$ (19,995)