Share-Based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2016 USD ($) Vesting_Installlment $ / shares shares	Jun. 30, 2015 USD ($) shares	Jun. 30, 2014 USD ($) shares	Jun. 30, 2013 shares	Nov. 19, 2010 shares	Nov. 21, 2006 shares
Stock-Based Compensation
Stock based compensation | $	$ 1,966	$ 1,737	$ 2,606
Stock-based compensation awards classified as a liability settled in cash | $	700	100	300
Employee related stock-based compensation expense | $	$ 1,700	$ 2,600	$ 2,200
Options, Granted (shares)	0	0	0
Restricted Stock
Stock-Based Compensation
Number of shares granted	60,000	189,000	32,000
Number of shares outstanding	231,000	250,000	246,000	391,000
Performance Stock Units
Stock-Based Compensation
Distribution period following performance period		30 days
Number of shares granted	848,000	229,000	0
Number of shares outstanding	463,000	115,000	0
2007 Long-Term Incentive Plan
Equity Incentive Plans
Maximum common stock issued under Long-Term Incentive Plan						1,428,571
Contractual term of stock options granted	10 years
2010 Long-Term Incentive Plan
Equity Incentive Plans
Maximum common stock issued under Long-Term Incentive Plan					1,500,000
Contractual term of stock options granted	10 years
Company's common stock purchased in aggregate (shares)	100,000
2010 Long-Term Incentive Plan | Restricted Stock
Stock-Based Compensation
Unrecognized compensation cost | $	$ 5,600
Period for recognition of unrecognized compensation cost	2 years 4 months 2 days
2014 Performance Incentive Plan
Equity Incentive Plans
Vesting period of Long-Term Incentive Plan	3 years
Number of vesting installments | Vesting_Installlment	3
Minimum | Performance Stock Units
Stock-Based Compensation
Distribution percentage of target number of Performance Stock Units		0.00%
Minimum | 2007 Long-Term Incentive Plan
Equity Incentive Plans
Right to purchase common stock, minimum price | $ / shares	$ 1.47
Vesting period of Long-Term Incentive Plan	1 year
Minimum | 2010 Long-Term Incentive Plan
Equity Incentive Plans
Right to purchase common stock, minimum price | $ / shares	$ 4.41
Vesting period of Long-Term Incentive Plan	1 year
Maximum | Performance Stock Units
Stock-Based Compensation
Distribution percentage of target number of Performance Stock Units		200.00%
Maximum | 2007 Long-Term Incentive Plan
Equity Incentive Plans
Right to purchase common stock, minimum price | $ / shares	$ 10.50
Vesting period of Long-Term Incentive Plan	3 years
Company's common stock purchased in aggregate (shares)	300,000
Maximum | 2010 Long-Term Incentive Plan
Equity Incentive Plans
Right to purchase common stock, minimum price | $ / shares	$ 24.71
Vesting period of Long-Term Incentive Plan	4 years
Company's TSR Compared to a Matrix | Performance Stock Units
Stock-Based Compensation
Vesting right percentage		50.00%
Company's TSR Compared to Vanguard Russell 2000 Exchange Trade Fund | Performance Stock Units
Stock-Based Compensation
Vesting right percentage		50.00%