INCOME TAXES:	6 Months Ended
Sep. 30, 2016
INCOME TAXES:
INCOME TAXES:	12.INCOME TAX: In determining the quarterly provision for income taxes, the Company makes its best estimate of the effective income tax rate expected to be applicable for the full fiscal year. The estimated annual effective income tax rate for the current fiscal year is impacted by the sale of the Impact email business, state income taxes, research tax credits, losses in foreign jurisdictions, and nondeductible share-based compensation. State income taxes are influenced by the geographic and legal entity mix of the Company’s U.S. income as well as the diversity of rules among the states. The Company does not record a tax benefit for certain foreign losses due to uncertainty of future benefit.

INCOME TAXES:

6 Months Ended

Sep. 30, 2016

12.INCOME TAX:

In determining the quarterly provision for income taxes, the Company makes its best estimate of the effective income tax rate expected to be applicable for the full fiscal year. The estimated annual effective income tax rate for the current fiscal year is impacted by the sale of the Impact email business, state income taxes, research tax credits, losses in foreign jurisdictions, and nondeductible share-based compensation. State income taxes are influenced by the geographic and legal entity mix of the Company’s U.S. income as well as the diversity of rules among the states. The Company does not record a tax benefit for certain foreign losses due to uncertainty of future benefit.