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Basis of Presentation and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jun. 30, 2013
Accounting Policies [Abstract] |
Available-for-sale Securities | Summary of Cash and Available-for-Sale Securities (in thousands)
| June 30
| 2013 |  | 2012
Cash | $ | 41,518 |  |  | $ | 18,455 |
Cash equivalents | $ | 54,285 |  |  | $ | 36,141 |
Short-term investments | 43,034 |  |  | 23,358 |
Marketable securities | 66,776 |  |  | 75,561 |
Total available-for-sale | $ | 164,095 |  |  | $ | 135,060 |
Total cash and available for sale securities | $ | 205,613 |  |  | $ | 153,515 |
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
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 | )
June 30, 2012 |  |  |  |  |  |  |
Money market funds | $ | 36,141 |  |  | $ | 36,141 |  |  | $ | — |  |  | $ | — |
U.S. corporate debt securities | 84,882 |  |  | 84,949 |  |  | 148 |  |  | (81 | )
U.S. government agency securities | 11,241 |  |  | 11,234 |  |  | 3 |  |  | (10 | )
U.S. municipal bonds | 2,738 |  |  | 2,736 |  |  | — |  |  | (2 | )
| $ | 135,002 |  |  | $ | 135,060 |  |  | $ | 151 |  |  | $ | (93 | )
Classified as: |  |  |  |  |  |  |
Cash equivalents | $ | 36,141 |  |  | $ | 36,141 |  |  | $ | — |  |  | $ | — |
Short-term investments | 23,311 |  |  | 23,358 |  |  | 48 |  |  | (1 | )
Marketable securities | 75,550 |  |  | 75,561 |  |  | 103 |  |  | (92 | )
| $ | 135,002 |  |  | $ | 135,060 |  |  | $ | 151 |  |  | $ | (93 | )
The amortized cost and estimated fair value of available-for-sale investments in debt securities at June 30, 2013, by contractual maturity, were as follows (in thousands):
| Amortized Cost |  | Fair Value
Due in 1 year or less | $ | 42,994 |  |  | $ | 43,034 |
Due in 1-2 years | 33,516 |  |  | 33,540 |
Due in 2-5 years | 33,568 |  |  | 33,236 |
Total investments in available for sale debt securities | $ | 110,078 |  |  | $ | 109,810 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | The following table presents the Company’s investments’ gross unrealized losses and fair values, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position.
| Less than 12 months |  | 12 months or more |  | Total
| Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
June 30, 2013 |  |  |  |  |  |  |  |  |  |  |
U.S. corporate debt securities | $ | 60,782 |  |  | $ | (390 | ) |  | $ | 1,048 |  |  | $ | (4 | ) |  | $ | 61,830 |  |  | $ | (394 | )
| $ | 60,782 |  |  | $ | (390 | ) |  | $ | 1,048 |  |  | $ | (4 | ) |  | $ | 61,830 |  |  | $ | (394 | )
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis | Fair value is measured based on a fair value hierarchy following three levels of inputs, of which the first two are considered observable and the last unobservable:
• Level 1 |  |  | Quoted prices in active markets for identical assets or liabilities;
• Level 2 |  |  | Inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and
• Level 3 |  |  | Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.
The following table presents the Company’s fair value hierarchy for its financial assets measured at fair value on a recurring basis:
June 30, 2013 | Level 1 |  | Level 2 |  | Level 3 |  | Total
| (In thousands)
Assets |  |  |  |  |  |  |
Investments: |  |  |  |  |  |  |
Money market funds | $ | 54,285 |  |  | $ | — |  |  | $ | — |  |  | $ | 54,285 |
Corporate notes/bonds | — |  |  | 109,810 |  |  | — |  |  | 109,810 |
Foreign currency forward contracts | — |  |  | 21 |  |  | — |  |  | 21 |
Total | $ | 54,285 |  |  | $ | 109,831 |  |  | $ | — |  |  | $ | 164,116 |
June 30, 2012 | Level 1 |  | Level 2 |  | Level 3 |  | Total
| (In thousands)
Assets |  |  |  |  |  |  |
Investments: |  |  |  |  |  |  |
Municipal bonds | $ | — |  |  | $ | 2,736 |  |  | $ | — |  |  | $ | 2,736 |
Federal agency notes | — |  |  | 11,234 |  |  | — |  |  | 11,234 |
Money market funds | 36,141 |  |  | — |  |  | — |  |  | 36,141 |
Corporate notes/bonds | — |  |  | 84,949 |  |  | — |  |  | 84,949 |
Foreign currency forward contracts | — |  |  | 179 |  |  | — |  |  | 179 |
Total | $ | 36,141 |  |  | $ | 99,098 |  |  | $ | — |  |  | $ | 135,239 |
Schedules of Concentration of Risk, by Risk Factor | The following table sets forth major customers accounting for 10% or more of our net revenue:
|  | Fiscal Year Ended
|  | June 30, 2013 |  | June 30, 2012 |  | July 3, 2011
Westcon Group Inc. |  | 16 | % |  | 19 | % |  | 16 | %
Scansource, Inc. |  | 12 | % |  | 13 | % |  | 14 | %
Tech Data Corporation |  | 10 | % |  | * |  |  | 11 | %
Ericsson AB |  | * |  |  | 12 | % |  | 11 | %
* Less than 10% of revenue |  |  |  |  |  |
The following table sets forth major customers accounting for 10% or more of our accounts receivable balance.
|  | June 30, 2013 |  | June 30, 2012
Ericsson AB |  | * |  | 21 | %
Westcon Group Inc. |  | 25 | % |  | 16 | %
* Less than 10% of accounts receivable |  |  |  |
Property, Plant and Equipment | Property and equipment consist of the following (in thousands):
| June 30, 2013 |  | June 30, 2012
Computer equipment | $ | 29,400 |  |  | $ | 42,771 |
Land | — |  |  | 10,300 |
Buildings and improvements | — |  |  | 9,581 |
Purchased software | 3,699 |  |  | 11,961 |
Office equipment, furniture and fixtures | 1,506 |  |  | 3,201 |
Leasehold improvements | 11,344 |  |  | 5,467 |
| 45,949 |  |  | 83,281 |
Less: accumulated depreciation and amortization | (22,305 | ) |  | (58,101 | )
Property and equipment, net | $ | 23,644 |  |  | $ | 25,180 |
Schedule of Intangible Assets | The following tables summarize the components of gross and net intangible asset balances (in thousands):
| Weighted Average Remaining Amortization Period |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
June 30, 2013 |  |  |  |  |  |  |
Patents | 6.7 years |  | $ | 1,800 |  |  | $ | 846 |  |  | $ | 954 |
License Agreements | 10.3 years |  | 10,447 |  |  | 7,407 |  |  | 3,040 |
Other Intangibles | 2.3 years |  | 659 |  |  | 410 |  |  | 249 |
|  |  | $ | 12,906 |  |  | $ | 8,663 |  |  | $ | 4,243 |
| Weighted Average Remaining Amortization Period |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
June 30, 2012 |  |  |  |  |  |  |
Patents | 7.4 years |  | $ | 1,800 |  |  | $ | 669 |  |  | $ | 1,131 |
License Agreements | 9.3 years |  | 10,158 |  |  | 6,231 |  |  | 3,927 |
Other Intangibles | 0.3 years |  | 324 |  |  | 276 |  |  | 48 |
|  |  | $ | 12,282 |  |  | $ | 7,176 |  |  | $ | 5,106 |
Schedule of Expected Amortization Expense | Amortization expense expected to be recorded for each of the next five years is as follows (in thousands):
For the fiscal year ending: |
2014 | $ | 988 |
2015 | 622 |
2016 | 447 |
2017 | 368 |
2018 | 282 |
Thereafter | 1,536 |
Total | $ | 4,243 |
Deferred Revenue Roll Forward | The change in the Company’s deferred revenue balance in relation to these arrangements was as follows (in thousands):
| Year Ended
| June 30, 2013 |  | June 30, 2012
Deferred product and other revenue, net | $ | 3,451 |  |  | $ | 1,867 |
Deferred services revenue, net |  |  |
Balance beginning of period | 37,461 |  |  | 35,802 |
New support arrangements | 57,342 |  |  | 59,313 |
Recognition of support revenue | (56,800 | ) |  | (57,654 | )
Balance end of period | 38,003 |  |  | 37,461 |
Total deferred revenue, net | 41,454 |  |  | 39,328 |
Less: current portion | 33,184 |  |  | 31,769 |
Non-current deferred revenue | $ | 8,270 |  |  | $ | 7,559 |
Schedule of Deferred Distributors Revenue | The following table summarizes deferred distributors revenue, net of cost of sales to distributors at the end of fiscal 2013 and 2012, respectively (in thousands):
| Year Ended
| June 30, 2013 |  | June 30, 2012
Deferred revenue | $ | 22,411 |  |  | $ | 20,361 |
Deferred cost of Sales | (5,023 | ) |  | (5,042 | )
Total deferred distributors revenue, net of cost of sales to distributors | $ | 17,388 |  |  | $ | 15,319 |
Schedule of Product Warranty Liability | The following table summarizes the activity related to the Company’s product warranty liability during fiscal 2013 and fiscal 2012:
| Year ended
| June 30, 2013 |  | June 30, 2012
Balance beginning of period | $ | 2,871 |  |  | $ | 2,640 |
New warranties issued | 4,299 |  |  | 3,117 |
Warranty expenditures | (3,874 | ) |  | (2,886 | )
Balance end of period | $ | 3,296 |  |  | $ | 2,871 |
Schedule of Other Accrued Liabilities | The following are the components of other accrued liabilities (in thousands):
| June 30, 2013 |  | June 30, 2012
Accrued general and administrative costs | $ | 2,959 |  |  | $ | 1,599 |
Other accrued liabilities | 13,543 |  |  | 11,881 |
Total | $ | 16,502 |  |  | $ | 13,480 |

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