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v3.10.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 29, 2018 | Dec. 30, 2017 | Dec. 31, 2016
Cash flows from operating activities: |  |  |
Net income | $ 57,648 | $ 30,202 | $ 44,035
Reconciliation of net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 6,846 | 6,920 | 8,295
Stock-based compensation | 11,382 | 8,819 | 7,666
Excess tax benefit from equity awards | 1 |  | 1,036
(Gain) loss on disposal of fixed assets | (759) | 631 | 478
Inventory write-down | 3,012 | 2,020 | 2,110
Deferred income taxes | 3,732 | 6,858 | (16,783)
Changes in fair value of contingent payments to Zygo Corporation |  |  | (1,175)
Changes in assets and liabilities: |  |  |
Accounts receivable | 15,156 | (19,523) | (2,707)
Inventories | (8,962) | (18,037) | 4,526
Inventories-delivered systems | 1,354 | 923 | 399
Prepaid expenses and other | (407) | (230) | 905
Accounts payable, accrued and other liabilities | 11,438 | 1,049 | 2,462
Deferred revenue | 2,399 | (915) | (3,634)
Income taxes payable | 496 | 1,886 | (1,928)
Net cash provided by operating activities | 103,336 | 20,603 | 45,685
Cash flows from investing activities: |  |  |
Payment for acquisition of certain assets | (2,000) | (2,000) |
Payments to acquire 4D Technology, net of cash acquired | (37,163) |  |
Sales of marketable securities | 56,279 | 53,030 | 5,955
Maturities of marketable securities | 38,700 | 77,250 | 38,775
Purchases of marketable securities | (53,523) | (129,766) | (82,864)
Purchases of property, plant and equipment | (7,486) | (5,204) | (3,999)
Proceeds from sale of property, plant and equipment | 942 |  |
Net cash used in investing activities | (4,251) | (6,690) | (42,133)
Cash flows from financing activities: |  |  |
Payments to Zygo Corporation related to acquisition |  |  | (315)
Proceeds from sale of shares under employee stock option plans and purchase plan | 3,826 | 5,576 | 8,447
Excess tax benefit from equity awards |  |  | (1,036)
Taxes paid on net issuance of stock awards | (3,609) | (4,135) | (1,822)
Repurchases of common stock under share repurchase plans | (22,987) | (26,999) |
Net cash provided by (used in) financing activities | (22,770) | (25,558) | 5,274
Effect of exchange rate changes on cash and cash equivalents | (263) | (518) | 82
Net increase (decrease) in cash and cash equivalents | 76,052 | (12,163) | 8,908
Cash and cash equivalents, beginning of period | 34,899 | 47,062 | 38,154
Cash and cash equivalents, end of period | 110,951 | 34,899 | 47,062
Supplemental disclosure of cash flow information: |  |  |
Cash paid for income taxes, net | 5,561 | 3,040 | 3,767
Supplemental disclosure of non-cash investing activities: |  |  |
Transfers between inventory and property, plant and equipment, net | 1,147 | 2,451 | 2,345
Unpaid property, plant and equipment at year end | $ 531 | $ 957 | $ 683

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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition Amount of cash inflow from issuance of shares under share-based compensation arrangement. Issuance includes, but is not limited to, exercise of stock options and similar instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109197908&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3151-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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