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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Mar. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | Schedule II - Valuation and Qualifying Accounts Years ended March 31, 2017, 2016 and 2015
| Balance at | Charged to |  | Balance at
| beginning of | costs and |  | end of
(In thousands) | year | expenses | Deductions | year
2017 |  |  |  |
Deferred tax valuation allowance | $ | 77,846 |  | $ | 2,167 |  | $ | — |  | $ | 80,013 |
Allowance for doubtful accounts | $ | 617 |  | $ | 648 |  | $ | (756 | ) | $ | 509 |
2016 |  |  |  |
Deferred tax valuation allowance | $ | 76,420 |  | $ | 1,426 |  | $ | — |  | $ | 77,846 |
Allowance for doubtful accounts | $ | 888 |  | $ | 942 |  | $ | (1,213 | ) | $ | 617 |
2015 |  |  |  |
Deferred tax valuation allowance | $ | 73,014 |  | $ | 3,406 |  | $ | — |  | $ | 76,420 |
Allowance for doubtful accounts | $ | 1,101 |  | $ | 1,219 |  | $ | (1,432 | ) | $ | 888 |

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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- References No definition available. + Details
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