Stockholders' Equity - Restricted Stock Units (Details) $ / shares in Units, $ in Thousands	1 Months Ended				3 Months Ended
	Mar. 31, 2015 shares	May. 31, 2014	Nov. 30, 2013 USD ($)	May. 31, 2013	Jun. 30, 2015 USD ($) quarter shares	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) $ / shares shares
Class of Stock [Line Items]
Stock-based compensation expense recognized | $					$ 6,104	$ 5,198
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Weighted average remaining contractual term for the restricted stock units outstanding, in years					1 year 3 months 10 days
Aggregate pre-tax intrinsic value of restricted stock units outstanding which includes performance based awards which are subject to milestone attainments | $							$ 27,000
Common stock, closing price per share | $ / shares							$ 6.75
Aggregate pretax intrinsic value | $							$ 4,400
Restricted Stock Units (RSUs)
Class of Stock [Line Items]
Nonvested restricted units outstanding	4,328,000				4,328,000		3,997,000
Restricted stock units awarded					708,000
Restricted stock units vested					712,000
Stock-based compensation expense recognized | $					$ 5,897	$ 4,784
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Number of Shares, Beginning balance					4,328,000
Number of Shares, Awarded					708,000
Number of Shares, Vested					(712,000)
Number of Shares, Cancelled					(327,000)
Number of Shares, Ending balance	4,328,000				3,997,000
Performance-Based MSU
Class of Stock [Line Items]
Grants in period, fair value | $			$ 4,500
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Number of Shares, Cancelled					1,300,000
Performance-Based MSU | Minimum
Class of Stock [Line Items]
Award vesting percentage			0.00%
Performance-Based MSU | Maximum
Class of Stock [Line Items]
Award vesting percentage			150.00%
Performance-Based MSU | First Vesting Period
Class of Stock [Line Items]
Award performance period				2 years
Performance-Based MSU | Second Vesting Period
Class of Stock [Line Items]
Award performance period				3 years
1992 Plan | Restricted Stock Units (RSUs)
Class of Stock [Line Items]
Vesting period, in years					4 years
Vested in first period of employment					0
Award vesting period, quarters | quarter					12
2011 Plan | Restricted Stock Units (RSUs)
Class of Stock [Line Items]
Vesting period, in years					4 years
Vested in first period of employment					0
Award vesting period, quarters | quarter					12
FY2016 Short-Term Incentive Plan | Minimum
Class of Stock [Line Items]
Award pay out percentage		50.00%
FY2016 Short-Term Incentive Plan | Maximum
Class of Stock [Line Items]
Award pay out percentage		150.00%
Incentive Compensation Program
Class of Stock [Line Items]
Vesting period, in years	1 year
Value of program | $							$ 6,600
Stock-based compensation expense recognized | $					$ 1,700