Income Taxes	6 Months Ended
Sep. 30, 2016
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The provision for income taxes for the three months ended September 30, 2016 was $1,925 and the provision for income taxes for the three months ended September 30, 2015 was $4,168. The effective tax rates were 32.6% and 33.4% for the three months ended September 30, 2016 and 2015, respectively. The effective rate for the three months ended September 30, 2016 decreased compared to the prior year period primarily due to lower qualifying production activity deductions and other discrete adjustments, offset by the impact of the federal and state research and development credit in the current period. The provision for income taxes for the six months ended September 30, 2016 was $1,608 and the provision for income taxes for the six months ended September 30, 2015 was $7,092. The effective tax rates were 32.5% and 32.6% for the six months ended September 30, 2016 and 2015, respectively. The effective rate for the six months ended September 30, 2016 remained consistent with the prior year period because the impact of the federal and state research and development credit was substantially offset by lower qualifying production activity deductions and other discrete adjustments. The deferred tax assets and liabilities have been shown net in the accompanying consolidated balance sheets as noncurrent. We expect to receive the full benefit of the deferred tax assets recorded with the exception of certain state credits and state net operating loss carryforwards for which we have recorded a valuation allowance. Uncertain tax positions We had a liability of $3,955 and $3,955 for unrecognized tax benefits related to various federal, state and local income tax matters as of September 30, 2016 and March 31, 2016, respectively. If recognized, this amount would reduce our effective tax rate. We are no longer subject to U.S. federal income tax examinations for tax years before 2013. With few exceptions, we are no longer subject to state income tax examinations for tax years before 2011. We do not anticipate that total unrecognized tax benefits will significantly change due to the settlement of audits or the expiration of statute of limitations within the next twelve months.

Income Taxes

6 Months Ended

Sep. 30, 2016

The provision for income taxes for the three months ended September 30, 2016 was $1,925 and the provision for income taxes for the three months ended September 30, 2015 was $4,168. The effective tax rates were 32.6% and 33.4% for the three months ended September 30, 2016 and 2015, respectively. The effective rate for the three months ended September 30, 2016 decreased compared to the prior year period primarily due to lower qualifying production activity deductions and other discrete adjustments, offset by the impact of the federal and state research and development credit in the current period.

The provision for income taxes for the six months ended September 30, 2016 was $1,608 and the provision for income taxes for the six months ended September 30, 2015 was $7,092. The effective tax rates were 32.5% and 32.6% for the six months ended September 30, 2016 and 2015, respectively. The effective rate for the six months ended September 30, 2016 remained consistent with the prior year period because the impact of the federal and state research and development credit was substantially offset by lower qualifying production activity deductions and other discrete adjustments.

The deferred tax assets and liabilities have been shown net in the accompanying consolidated balance sheets as noncurrent. We expect to receive the full benefit of the deferred tax assets recorded with the exception of certain state credits and state net operating loss carryforwards for which we have recorded a valuation allowance.

Uncertain tax positions

We had a liability of $3,955 and $3,955 for unrecognized tax benefits related to various federal, state and local income tax matters as of September 30, 2016 and March 31, 2016, respectively. If recognized, this amount would reduce our effective tax rate.

We are no longer subject to U.S. federal income tax examinations for tax years before 2013. With few exceptions, we are no longer subject to state income tax examinations for tax years before 2011. We do not anticipate that total unrecognized tax benefits will significantly change due to the settlement of audits or the expiration of statute of limitations within the next twelve months.