Balance Sheet Accounts (Tables)

3 Months Ended

Sep. 30, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Cash, Cash Equivalents, Shot-Term Investments and Marketable Securities

Cash, Cash Equivalents, Short-Term Investments and Marketable Securities

Summary of Cash and Available-for-Sale Securities (in thousands)

	September 30, 2013		June 30, 2013
Cash	$	34,854	$	41,518
Cash equivalents	$	68,154	$	54,285
Short-term investments	96,427		43,034
Marketable securities	—		66,776
Total available-for-sale	$	164,581	$	164,095
Total cash and available for sale securities	$	199,435	$	205,613

Available-for-sale Securities

Available-for-Sale Securities

The following is a summary of available-for-sale securities (in thousands): 

	Amortized Cost		Fair Value		Unrealized Holding Gains		Unrealized Holding Losses
September 30, 2013
Money market funds	$	68,154	$	68,154	$	—	$	—
U.S. corporate debt securities	96,262		96,427		165		—
	$	164,416	$	164,581	$	165	$	—
Classified as:
Cash equivalents	$	68,154	$	68,154	$	—	$	—
Short-term investments	96,262		96,427		165		—
	$	164,416	$	164,581	$	165	$	—
June 30, 2013
Money market funds	$	54,285	$	54,285	$	—	$	—
U.S. corporate debt securities	110,078		109,810		126		(394		)
	$	164,363	$	164,095	$	126	$	(394	)
Classified as:
Cash equivalents	$	54,285	$	54,285	$	—	$	—
Short-term investments	42,994		43,034		44		(4		)
Marketable securities	67,084		66,776		82		(390		)
	$	164,363	$	164,095	$	126	$	(394	)

The amortized cost and estimated fair value of available-for-sale investments in debt securities at September 30, 2013, by contractual maturity, were as follows (in thousands):

	Amortized Cost		Fair Value
Due in 1 year or less	$	164,416	$	164,581
Total investments in available for sale debt securities	$	164,416	$	164,581

Schedule of Deferred Revenue, Net

Deferred revenue, net represents amounts for (i) deferred services revenue (support arrangements, professional services and training), and (ii) deferred product revenue net of the related cost of revenue when the revenue recognition criteria have not been met. The following table summarizes deferred revenue, net at September 30, 2013 and June 30, 2013, respectively (in thousands):

	September 30, 2013		June 30, 2013
Deferred services	$	37,091	$	38,003
Deferred product and other revenue	3,145		3,451
Total deferred revenue	40,236		41,454
Less: current portion	32,080		33,184
Non-current deferred revenue, net	$	8,156	$	8,270

Change in Deferred Support Revenue

The change in the Company’s deferred support revenue balance in relation to these arrangements was as follows (in thousands):

	Three Months Ended
	September 30, 2013			September 30, 2012
Balance beginning of period	$	38,003		$	37,461
New support arrangements	13,343			12,537
Recognition of support revenue	(14,255		)	(14,337		)
Balance end of period	37,091			35,661
Less: current portion	28,935			28,377
Non-current deferred revenue	$	8,156		$	7,284

Schedule of Deferred Distributors Revenue

The following table summarizes deferred distributors revenue, net of cost of sales to distributors at September 30, 2013 and June 30, 2013, respectively (in thousands):

	September 30, 2013			June 30, 2013
Deferred distributors revenue	$	23,961		$	22,411
Deferred cost of sales to distributors	(5,361		)	(5,023		)
Deferred distributors revenue, net of cost of sales to distributors	$	18,600		$	17,388

Schedule of Product Warranty Liability

The following table summarizes the activity related to the Company’s product warranty liability during the three months ended September 30, 2013 and 2012:

	Three Months Ended
	September 30, 2013			September 30, 2012
Balance beginning of period	$	3,296		$	2,871
New warranties issued	1,304			1,561
Warranty expenditures	(1,160		)	(1,461		)
Balance end of period	$	3,440		$	2,971

Schedules of Concentration of Risk, by Risk Factor

The following table sets forth major customers accounting for 10% or more of our net revenue:

	Three Months Ended
	September 30, 2013		September 30, 2012
Westcon Group Inc.	18	%	15	%
Scansource, Inc.	14	%	12	%
Tech Data	*		10	%
* Less than 10% of revenue