| Description of Business (Details) - 6 months ended Sep. 30, 2016 | Segment | business | segment_call | 
|---|---|---|---|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |||
| Number of reportable segments | 2 | 2 | |
| Number of businesses the Advertising segment is comprised of | 2 | 
| X | ||||||||||
| 
- Definition Number Of Businesses No definition available. 
 | 
| X | ||||||||||
| 
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. No definition available. 
 | 
| X | ||||||||||
| 
- References No definition available. 
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