| **Intangible Assets (Tables)**                           | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
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| **Goodwill and Intangible Assets Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| Schedule of intangible assets                            | The following table summarizes our intangible assets and software development costs: June 30, 2014 March 31, 2014 Gross Net Gross Net carryingAccumulatedcarrying carryingAccumulatedcarrying(In thousands)amountamortizationamount amountamortizationamountAmortized intangible assets:       Customer relationships$10,775$(10,305)$470 $10,775$(10,080)$695Non-competition agreements2,700(2,539)161 2,700(2,473)227Developed technology10,660(10,185)475 10,660(10,156)504Patented technology80(80)— 80(80)— 24,215(23,109)1,106 24,215(22,789)1,426Unamortized intangible assets:       Trade names10,100 N/A10,100 10,100 N/A10,100Accumulated impairment(900) N/A(900) (900) N/A(900) 9,200 N/A9,200 9,200 N/A9,200Total intangible assets$33,415$(23,109)$10,306 $33,415$(22,789)$10,626        Software development costs$15,211$(529)$14,682 $14,587$(270)$14,317Project expenditures not yet in use15,598—15,598 12,397—12,397Accumulated impairment(9,493)N/A(9,493) (9,493)N/A(9,493)Total software development costs$21,316$(529)$20,787 $17,491$(270)$17,221 |
| Schedule of remaining estimated amortization expense     | The following table summarizes our remaining estimated amortization expense relating to in service intangible assets and software development costs.   Estimated Amortization(In thousands)ExpenseFiscal year ending March 31, 2015$1,58020161,26520171,26520181,2652019889202031Total$6,295                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |

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| - Definition
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Table Text Block]
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No definition available.
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| - Definition
Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275
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