| **Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) (USD $)In Thousands, unless otherwise specified** | Mar. 31, 2014 | Mar. 31, 2013 |
|------------------------------------------------------------------------------------------------------------------------------|---------------|---------------|
| **Amortized intangible assets:**                                                                                             |          |          |
| Indefinite-Lived Intangible Assets, Accumulated Impairment                                                                   | $ (900)       | $ (900)       |
| Indefinite-Lived Intangible Assets (Excluding Goodwill)                                                                      | 9,200         | 9,200         |
| Intangible Assets, Gross (Excluding Goodwill)                                                                                | 33,415        | 32,810        |
| Finite Lived Software Development Costs Accumulated Impairment                                                               | 9,493         | 9,493         |
| Gross carrying amount                                                                                                        | 24,215        | 23,610        |
| Finite Lived Software Development Costs Accumulated Amortization                                                             | 270           | 0             |
| Finite Lived Software Development Costs Net                                                                                  | 17,221        | 5,579         |
| Finite Lived Software Development Costs Gross                                                                                | 17,491        | 5,579         |
| Accumulated amortization                                                                                                     | (22,789)      | (21,527)      |
| Net carrying amount                                                                                                          | 1,426         | 2,083         |
| Total intangible assets, net carrying amount                                                                                 | 10,626        | 11,283        |
| Trade Names [Member]                                                                                                         |          |          |
| **Amortized intangible assets:**                                                                                             |          |          |
| Indefinite-Lived Intangible Assets (Excluding Goodwill), Excluding Accumulated Impairment                                    | 10,100        | 10,100        |
| Customer relationships [Member]                                                                                              |          |          |
| **Amortized intangible assets:**                                                                                             |          |          |
| Gross carrying amount, excluding accumulated impairment                                                                      | 10,775        | 10,775        |
| Accumulated amortization, excluding accumulated impairment                                                                   | (10,080)      | (9,179)       |
| Net carrying amount, excluding accumulated impairment                                                                        | 695           | 1,596         |
| Non-competition agreements [Member]                                                                                          |          |          |
| **Amortized intangible assets:**                                                                                             |          |          |
| Gross carrying amount, excluding accumulated impairment                                                                      | 2,700         | 2,700         |
| Accumulated amortization, excluding accumulated impairment                                                                   | (2,473)       | (2,213)       |
| Net carrying amount, excluding accumulated impairment                                                                        | 227           | 487           |
| Developed technology [Member]                                                                                                |          |          |
| **Amortized intangible assets:**                                                                                             |          |          |
| Gross carrying amount, excluding accumulated impairment                                                                      | 10,660        | 10,055        |
| Accumulated amortization, excluding accumulated impairment                                                                   | (10,156)      | (10,055)      |
| Net carrying amount, excluding accumulated impairment                                                                        | 504           | 0             |
| Patented Technology [Member]                                                                                                 |          |          |
| **Amortized intangible assets:**                                                                                             |          |          |
| Gross carrying amount, excluding accumulated impairment                                                                      | 80            | 80            |
| Accumulated amortization, excluding accumulated impairment                                                                   | (80)          | (80)          |
| Net carrying amount, excluding accumulated impairment                                                                        | 0             | 0             |
| Software Development Costs [Member]                                                                                          |          |          |
| **Amortized intangible assets:**                                                                                             |          |          |
| Finite Lived Software Development Costs Accumulated Amortization Excluding Accumulated Impairment                            | 270           | 0             |
| Finite Lived Software Development Costs, Net Excluding, Accumulated Impairment                                               | 14,317        | 9,493         |
| Finite Lived Software Development Costs Gross Excluding Accumulated Impairment                                               | 14,587        | 9,493         |
| Project Expenditures Not Yet In Use [Member]                                                                                 |          |          |
| **Amortized intangible assets:**                                                                                             |          |          |
| Finite Lived Software Development Costs Accumulated Amortization Excluding Accumulated Impairment                            | 0             | 0             |
| Finite Lived Software Development Costs, Net Excluding, Accumulated Impairment                                               | 12,397        | 5,579         |
| Finite Lived Software Development Costs Gross Excluding Accumulated Impairment                                               | $ 12,397      | $ 5,579       |

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