v2.4.0.6

Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 29, 2012 | Dec. 31, 2011 | Jan. 01, 2011
Cash flows from operating activities: |  |  |
Net income | $ 4,465 | $ 28,685 | $ 55,948
Reconciliation of net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 8,137 | 4,983 | 4,395
Asset impairment | 0 | 0 | 463
Stock-based compensation | 5,890 | 4,473 | 2,950
Excess tax benefit from equity awards | (910) | (3,915) | (801)
Loss on disposal of fixed assets | 303 | 113 | (140)
Inventory write down | 3,519 | 3,421 | 2,920
Deferred income taxes | 2,752 | 3,770 | (17,233)
Other, net | 0 | 0 | (523)
Changes in fair value of contingent payments to Zygo Corporation | 129 | 413 | 467
Changes in assets and liabilities: |  |  |
Accounts receivable | 7,733 | 16,172 | (20,996)
Inventories | 1,383 | (12,169) | (14,495)
Inventories-delivered systems | (758) | 446 | 244
Prepaid expenses and other | 1,114 | (4,747) | (398)
Accounts payable, accrued and other liabilities | (12,567) | 4,241 | 11,533
Deferred revenue | 2,472 | 3,088 | 1,414
Income taxes payable | 346 | 5,054 | 1,879
Net cash provided by operating activities | 24,008 | 54,028 | 27,627
Cash flows from investing activities: |  |  |
Escrow payment received related to Nanda acquisition | 508 | 0 | 0
Purchase of Nanda's net assets, net of cash received | 0 | (23,912) | 0
Sales of marketable securities | 3,000 | 0 | 0
Maturities of marketable securities | 8,336 | 0 | 0
Purchases of marketable securities | (58,647) | 0 | 0
Purchases of property, plant and equipment | (4,990) | (2,755) | (3,096)
Proceeds from sale of property, plant and equipment | 0 | 0 | 492
Net cash used in investing activities | (51,793) | (26,667) | (2,604)
Cash flows from financing activities: |  |  |
Payments to Zygo Corporation related to acquisition | (300) | (432) | (3,503)
Repayments of debt obligations | (2,210) | (2,571) | (2,999)
Proceeds from sale of shares under employee stock option plans and purchase plan | 3,913 | 7,186 | 5,784
Stock offering cost | 0 | 0 | (28)
Excess tax benefit from equity awards | 910 | 3,915 | 801
Taxes paid on net issuance of stock awards | (618) | (126) | (299)
Repurchases of common stock | (8,504) | (4,257) | (2,097)
Net cash provided by (used in) financing activities | (6,809) | 3,715 | (2,341)
Effect of exchange rate changes on cash and cash equivalents | (190) | 163 | 252
Net increase (decrease) in cash and cash equivalents | (34,784) | 31,239 | 22,934
Cash and cash equivalents, beginning of period | 97,699 | 66,460 | 43,526
Cash and cash equivalents, end of period | 62,915 | 97,699 | 66,460
Supplemental disclosure of cash flow information: |  |  |
Cash paid for interest | 522 | 757 | 965
Cash paid for income taxes | $ 5,113 | $ 11,149 | $ 1,572

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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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