Quarterly Financial Data (Unaudited) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2011
Quarterly Financial Data (Unaudited)
Total revenue	$ 83,264	$ 79,357	$ 77,309	$ 71,457	$ 64,017	$ 61,337	$ 66,555	$ 51,225	$ 311,387		$ 243,134		$ 198,154
Gross profit	70,276	66,708	64,936	59,119	50,916	48,907	53,630	37,404	261,039		190,857		145,809
Income from operations	15,383	16,334	14,929	8,954	(3,609)	(2,814)	7,041	(15,625)	55,600		(15,007)		(54,576)
Net (loss) income	$ 20,399	$ 10,513	$ 9,937	$ 4,413	$ (5,388)	$ (520)	$ 3,836	$ (11,736)	$ 45,262	[1]	$ (13,808)	[1]	$ 10,257	[1]
Net (loss) income per common share:
Basic (in dollars per share)	$ 0.22	$ 0.11	$ 0.11	$ 0.05	$ (0.06)	$ (0.01)	$ 0.04	$ (0.12)	$ 0.48		$ (0.15)		$ 0.11
Diluted (in dollars per share)	$ 0.21	$ 0.11	$ 0.10	$ 0.05	$ (0.06)	$ (0.01)	$ 0.04	$ (0.12)	$ 0.47		$ (0.15)		$ 0.11
Weighted average shares outstanding:
Basic (in shares)	93,680	93,730	93,512	93,428	93,563	93,583	93,902	94,065	93,586		93,780		93,488
Diluted (in shares)	95,257	95,400	95,463	95,670	93,563	93,583	96,267	94,065	95,410		93,780		95,853

[1] Our provision for income taxes provided a net benefit of $54.0 million in fiscal 2011, due to the reversal of a significant portion of our U.S. valuation allowance in the fourth quarter of fiscal 2011. See Note 8 to our Consolidated Financial Statements, "Income Taxes," for further information.