Stock-Based Compensation - Weighed-Average Key Assumptions and Fair Value Results for Stock Options Granted (Detail) (USD $)	12 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2011
Weighted-average key assumptions and fair value results for stock options granted
Weighted-average fair value of options granted	$ 3.80		$ 0.00		$ 7.25
Option life	4 years 6 months	[1]	0 years		5 years	[1]
Risk-free interest rate	0.73%	[2]	0.00%	[2]	1.27%	[2]
Stock volatility	58.00%	[3]	0.00%	[3]	63.00%	[3]
Dividend rate	0.00%		0.00%		0.00%

[1] The option life was determined based upon historical option activity.

[2] The risk-free interest rate for each grant is equal to the U.S. Treasury yield curve in effect at the time of grant for instruments with a similar expected life.

[3] The stock volatility for each grant is measured using the weighted average of historical daily price changes of the Company’s common stock over the most recent period equal to the expected option life of the grant, the historical short-term trend of the option and other factors, such as expected changes in volatility arising from planned changes in the Company’s business operations.