OTHER CURRENT AND NONCURRENT ASSETS: Schedule of Other Current and Noncurrent Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Mar. 31, 2022
Other current assets
Prepaid expenses and other	$ 12,308	$ 13,947
Certificates of deposit	7,500	7,500
Assets of non-qualified retirement plan	11,704	15,528
Other current assets	31,512	36,975
Other noncurrent assets
Long-term prepaid revenue share	9,679	13,468
Right-of-use assets (see Note 4)	40,359	59,459
Deferred tax asset	1,062	1,224
Deposits	3,856	4,486
Strategic investments	5,500	5,700
Other miscellaneous noncurrent assets	781	877
Other assets, net	$ 61,237	$ 85,214