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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2012
Cash flows from operating activities: |  |  |
Net (loss) income | $ (57,310) | $ 9,673 | $ 15,872
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Decrease in accrued investment income | 923 | 1,600 | 2,786
Depreciation | 10,628 | 4,543 | 5,348
Amortization of intangible assets | 28,771 | 1,488 | 1,818
Provision for (recovery of) doubtful accounts and allowance for sales returns | 2,366 | (173) | 127
Deferred income taxes | (61) | (35) | 37
Loss on retirement of assets | 2,226 | 0 | 103
Stock-based compensation | 15,922 | 7,353 | 6,189
Gain on disposition of long lived assets, net | 0 | (11,285) | 0
Foreign exchange gain on dissolution of entity | 0 | 0 | (1,887)
Non-cash interest expense | 173 | 0 | 0
Unrealized gain/(loss) on foreign exchange transactions | 405 | 291 | (904)
Changes in operating assets and liabilities, net |  |  |
Accounts receivable | (56,116) | (6,304) | (7,603)
Inventories | (7,280) | 10,442 | (5,026)
Prepaid expenses and other assets | 2,288 | 1,877 | 5,289
Accounts payable | (4,234) | 7,726 | 3,918
Accrued compensation and benefits | (570) | 95 | (850)
Restructuring liabilities | (1,144) | 1,003 | (2,696)
Accrued warranty | 3,385 | 425 | 231
Deferred revenue, net | 18,689 | 2,127 | 2,355
Deferred revenue, net of cost of sales to distributors | 13,537 | 2,069 | (1,233)
Other accrued liabilities | 1,146 | (1,542) | (9,232)
Other long-term liabilities | (587) | 864 | (829)
Net cash (used in) provided by operating activities | (26,843) | 32,237 | 13,813
Cash flows (used in) provided by investing activities: |  |  |
Capital expenditures | (22,373) | (12,737) | (5,237)
Acquisition, net of cash acquired | (180,000) | 0 | 0
Purchases of investments | (9,045) | (57,712) | (75,851)
Proceeds from maturities of investments and marketable securities | 28,722 | 16,367 | 30,295
Proceeds from sales of investments and marketable securities | 56,594 | 28,528 | 40,658
Purchases of intangible assets | (87) | (625) | (275)
Proceeds from sales of facilities | 0 | 42,659 | 0
Net cash provided by (used in) investing activities | (126,189) | 16,480 | (10,410)
Cash flows provided by (used in) financing activities: |  |  |
Borrowings under Revolving Facility | 83,000 | 0 | 0
Borrowings under Term Loan | 65,000 | 0 | 0
Repayment of debt | (26,437) | 0 | 0
Proceeds from issuance of common stock | 8,017 | 7,084 | 1,392
Repurchase of common stock | 0 | (14,475) | 0
Deposit received from sale of building | 0 | 0 | 1,001
Net cash provided by (used in) financing activities | 129,580 | (7,391) | 2,393
Foreign currency effect on cash | 839 | (119) | (1,172)
Net (decrease) increase in cash and cash equivalents | (22,613) | 41,207 | 4,624
Cash and cash equivalents at beginning of period | 95,803 | 54,596 | 49,972
Cash and cash equivalents at end of period | 73,190 | 95,803 | 54,596
Supplemental disclosure of cash flow information: |  |  |
Interest paid | 1,852 | 0 | 75
Cash paid for taxes, net | 2,864 | 1,534 | 2,615
Noncash investing activities: |  |  |
Unpaid capital expenditures | $ 310 | $ 7,001 | $ 562

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