OTHER CURRENT AND NONCURRENT ASSETS: (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Mar. 31, 2014
Other current assets
Prepaid expenses	$ 43,405	$ 40,339
Assets of non-qualified retirement plan	13,646	13,900
Other miscellaneous assets	322	245
Total other current assets	57,373	54,484
Other noncurrent assets
Acquired intangible assets, net	25,431	281
Deferred data acquisitions costs	3,634	4,502
Deferred costs	12,247	16,143
Other miscellaneous noncurrent assets	3,903	3,551
Noncurrent assets	45,215	24,477
LiveRamp Inc | Other intangible assets
Other noncurrent assets
Acquired intangible assets, net	$ 25,300