MANAGEMENT AGREEMENT (Details) (Zelnick Media Corporation ("ZelnickMedia"), USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended		1 Months Ended										3 Months Ended		6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Mar. 31, 2007 Management Agreement	Mar. 31, 2007 Management Agreement Maximum	Aug. 31, 2007 Management Agreement Stock options	Jun. 30, 2008 Management Agreement Restricted stock	Jun. 30, 2012 Management Agreement Market-based restricted stock	Jun. 30, 2008 Management Agreement Market-based restricted stock	May 31, 2011 New Management Agreement	May 31, 2011 New Management Agreement Maximum	May 31, 2011 New Management Agreement Restricted stock	May 31, 2011 New Management Agreement Market-based restricted stock	Sep. 30, 2013 New Management Agreement Market-based restricted stock	Sep. 30, 2012 New Management Agreement Market-based restricted stock	Sep. 30, 2013 New Management Agreement Market-based restricted stock	Sep. 30, 2012 New Management Agreement Market-based restricted stock	Mar. 31, 2013 New Management Agreement Market-based restricted stock
Management Agreement
Annual management fee					$ 2,500						$ 2,500
Annual management fee, annual increase (as a percent)											3.00%
Annual bonus, annual increase (as a percent)											3.00%
Bonus per fiscal year based on the achievement of certain performance thresholds						2,500						3,500
Consulting expense benefit	2,056	1,095	3,183	2,189
Stock options issued during the period to acquire shares of common stock							2,009,075
Exercise price of stock options at date of grant (in dollars per share)							$ 14.74
Vesting period							36 months	3 years		4 years
Expiration term							10 years
Stock-based compensation award, number of shares granted								600,000		900,000			1,100,000	1,650,000
Unvested portion of the shares of restricted stock granted															1,894,750		1,894,750		2,169,750
Vesting requirement for market-based restricted stock										Total Shareholder Return (as defined in the relevant grant agreements) was at or higher than the 75th percentile of the N A S D A Q Industrial Index measured annually on a cumulative basis.				Total Shareholder Return (as defined in the relevant grant agreements) relative to the Total Shareholder Return of the companies that constitute the N A S D A Q Composite Index measured annually on a cumulative basis.
Market-based restricted stock, number of shares forfeited									900,000
Stock-based compensation expense (benefit)															$ 5,633	$ 1,524	$ 6,120	$ 741