OTHER LIABILITIES: (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Mar. 31, 2021
Other Liabilities Disclosure [Abstract]
Uncertain tax positions	$ 24,135	$ 26,156
Long-term lease liabilities	52,997	4,158
Restructuring accruals	3,847	4,510
Other	7,106	7,565
Other liabilities	$ 88,085	$ 42,389