Represents the amount of annual management fee with respect to management services agreement.

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Represents the amount of bonus per fiscal year based on the achievement of certain performance thresholds with respect to management services agreement.

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No definition available.

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Represents the amount of consulting expense benefit with respect to management services agreement.

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No definition available.

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Represents the measurement period of certain performance metrics, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Represents the percentage of grants tied to certain performance measures as defined in the relevant grant agreement.

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No definition available.

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Fair value of share-based compensation granted to nonemployees as payment for services rendered or acknowledged claims.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Subparagraph (c)(2)(i)-(ii)
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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Description of pertinent provisions of equity-based compensation awards that have actual or potential impact upon the company's financial statements.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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MANAGEMENT AGREEMENT (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
MANAGEMENT AGREEMENT (Details) - USD ($) $ in Thousands	Mar. 31, 2014	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Mar. 31, 2016
Restricted stock units
Management Agreement
Stock-based compensation expense for non-employee awards		$ 6,907	$ 4,935	$ 10,796	$ 12,258
2014 Management Agreement \| Restricted stock units \| Maximum
Management Agreement
Vesting requirement for market-based restricted stock				75th	75th
2014 Management Agreement \| Restricted stock awards
Management Agreement
Vested (in shares)				(591,912)
Forfeited (in shares)				(27,578)
Zelnick Media Corporation ("ZelnickMedia")
Management Agreement
Consulting expense benefit		$ 1,336	$ 2,524	$ 2,673	$ 3,861
Zelnick Media Corporation ("ZelnickMedia") \| 2014 Management Agreement
Management Agreement
Annual management fee	$ 2,970
Zelnick Media Corporation ("ZelnickMedia") \| 2014 Management Agreement \| Maximum
Management Agreement
Bonus per fiscal year based on the achievement of certain performance thresholds	$ 4,752
Zelnick Media Corporation ("ZelnickMedia") \| 2014 Management Agreement \| Time-based restricted units
Management Agreement
Granted (in shares)				107,551	151,575
Zelnick Media Corporation ("ZelnickMedia") \| 2014 Management Agreement \| Market-based restricted stock
Management Agreement
Measurement period				2 years	2 years
Percentage of grants earned (as a percent)				50.00%	50.00%
Vesting requirement for market-based restricted stock				50th	50th
Zelnick Media Corporation ("ZelnickMedia") \| 2014 Management Agreement \| Market-based restricted units
Management Agreement
Granted (in shares)				199,038	280,512
Zelnick Media Corporation ("ZelnickMedia") \| 2014 Management Agreement \| Performance-based restricted units
Management Agreement
Granted (in shares)				66,346	93,504
Measurement period				2 years	2 years
Percentage of grants earned (as a percent)				50.00%	50.00%
Zelnick Media Corporation ("ZelnickMedia") \| 2014 Management Agreement \| New IP
Management Agreement
Granted (in shares)				33,174	46,752
Percentage of grants earned (as a percent)				50.00%	50.00%
Zelnick Media Corporation ("ZelnickMedia") \| 2014 Management Agreement \| Major IP
Management Agreement
Granted (in shares)				33,172	46,752
Percentage of grants earned (as a percent)				50.00%	50.00%
Zelnick Media Corporation ("ZelnickMedia") \| 2014 Management Agreement \| Restricted stock units
Management Agreement
Granted (in shares)				372,935	525,591
Unvested portion of the shares of restricted stock granted		898,526		898,526		1,145,081