v3.5.0.1

Summary of Significant Accounting Policies (Concentrations) (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2015 USD ($) | Sep. 30, 2014 USD ($) | Jun. 30, 2014 USD ($) | Mar. 31, 2016 USD ($) wholesalers | Mar. 31, 2015 USD ($) | Mar. 31, 2014 USD ($)
Concentration Risk |  |  |  |  |  |
Provision for doubtful accounts | $ 2,600 | $ 1,000 | $ 3,900 | $ 0 | $ 8,721 | $ 5,307
Allowance for Doubtful Accounts Receivable, Current | 3,281 |  |  | $ 2,319 | $ 3,281 |
Customer Concentration Risk |  |  |  |  |  |
Concentration Risk |  |  |  |  |  |
Number of major wholesalers | wholesalers |  |  |  | 2 |  |
Customer Concentration Risk | Sales Revenue, Net | News Group |  |  |  |  |  |
Concentration Risk |  |  |  |  |  |
Concentration risk, percentage |  |  |  | 48.00% | 36.00% | 29.00%
Customer Concentration Risk | Sales Revenue, Net | The Hudson Group |  |  |  |  |  |
Concentration Risk |  |  |  |  |  |
Concentration risk, percentage |  |  |  | 11.00% | 9.00% | 8.00%
Customer Concentration Risk | Allowance for Doubtful Accounts | Source Interlink |  |  |  |  |  |
Concentration Risk |  |  |  |  |  |
Allowance for Doubtful Accounts Receivable, Current | $ 6,900 |  |  |  | $ 6,900 |
Allowance for Doubtful Accounts Receivable, Write-offs |  |  |  | $ 6,600 |  |
Customer Concentration Risk | Allowance for Doubtful Accounts | Source Interlink | Minimum |  |  |  |  |  |
Concentration Risk |  |  |  |  |  |
Provision for doubtful accounts |  |  |  |  | 5,000 |
Customer Concentration Risk | Allowance for Doubtful Accounts | Source Interlink | Maximum |  |  |  |  |  |
Concentration Risk |  |  |  |  |  |
Provision for doubtful accounts |  |  |  |  | $ 7,000 |

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