Share-based Compensation (Details 3) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2013
Stock option activity
Outstanding at the end of the period (in shares)	3,000
Stock options
Weighted average assumptions used to estimate fair values of the stock options granted and the estimated annual forfeiture rates used to recognize the associated compensation expense
Risk-free interest rate (as a percent)	2.10%
Expected volatility (as a percent)	62.90%
Expected dividend yield (as a percent)	0.00%
Forfeiture rate (as a percent)	7.50%
Expected term	5 years 10 months 24 days
Weighted average fair value (in dollars per share)	$ 8.09
Stock option activity
Outstanding at the beginning of the period (in shares)	2,319
Granted (in shares)	767
Exercised (in shares)	(127)
Forfeited, expired or repurchased (in shares)	(4)
Outstanding at the end of the period (in shares)	2,955
Vested and expected to vest, Awards (in shares)	2,791
Exercisable at end of year (in shares)	1,414
Stock options, Weighted-Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 5.71
Granted (in dollars per share)	$ 13.89
Exercised (in dollars per share)	$ 6.38
Forfeited, expired or repurchased (in dollars per share)	$ 7.57
Outstanding at the end of the period (in dollars per share)	$ 7.80
Vested and expected to vest, Weighted-Average Exercise Price (in dollars per share)	$ 7.65
Exercisable at the end of the period (in dollars per share)	$ 6.53
Aggregate Intrinsic Value
Exercised (in dollars)	$ 1,449
Outstanding at the end of the period (in dollars)	41,428
Vested and expected to vest, Aggregate Intrinsic Value	39,565
Exercisable at the end of the period (in dollars)	$ 21,620
Weighted Average Remaining Contractual Life (yrs.)
Outstanding at the end of the period (in years)	7 years 3 months 18 days
Vested and expected to vest, Weighted Average Remaining Contractual Life	7 years 1 month 6 days
Exercisable at the end of the period (in years)	5 years