INCOME TAX:	6 Months Ended
Sep. 30, 2015
INCOME TAX:
INCOME TAX:	13.INCOME TAX: In determining the quarterly provision for income taxes, the Company makes its best estimate of the effective 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 state income taxes, 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. In addition, the Company qualifies for research tax credits in certain states. The Company does not record a tax benefit for certain foreign losses due to uncertainty of future benefit. During the quarter ended September 30, 2015, the Company recorded a $1.0 million income tax benefit in connection with the completion of a U.S. income tax examination covering the fiscal years ended March 31, 2013 and 2012.

INCOME TAX:

6 Months Ended

Sep. 30, 2015

13.INCOME TAX:

In determining the quarterly provision for income taxes, the Company makes its best estimate of the effective 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 state income taxes, 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. In addition, the Company qualifies for research tax credits in certain states. The Company does not record a tax benefit for certain foreign losses due to uncertainty of future benefit. During the quarter ended September 30, 2015, the Company recorded a $1.0 million income tax benefit in connection with the completion of a U.S. income tax examination covering the fiscal years ended March 31, 2013 and 2012.