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Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Oct. 30, 2011 | Oct. 31, 2010 | Nov. 01, 2009
Consolidated Statements of Operations [Abstract] |  |  |
Net sales | $ 512,020 | $ 425,554 | $ 361,353
Cost and expenses: |  |  |
Cost of sales | (375,806) | (333,739) | (304,282)
Selling, general and administrative | (45,240) | (42,387) | (41,162)
Research and development | (15,507) | (14,932) | (15,423)
Consolidation, restructuring and related credits (charges) | 0 | 4,979 | (13,557)
Impairment of long-lived assets | 0 | 0 | (1,458)
Gain on sale of facility | 0 | 0 | 2,034
Operating income (loss) | 75,467 | 39,475 | (12,495)
Other income (expense): |  |  |
Debt extinguishment loss | (35,259) | 0 | 0
Interest expense | (7,258) | (9,475) | (22,401)
Investment and other income (expense), net | 2,949 | 2,553 | (2,208)
Income (loss) before income tax provision | 35,899 | 32,553 | (37,104)
Income tax provision | (15,691) | (7,471) | (4,323)
Net income (loss) | 20,208 | 25,082 | (41,427)
Net income attributable to noncontrolling interests | (3,979) | (1,160) | (483)
Net income (loss) attributable to Photronics, Inc. | $ 16,229 | $ 23,922 | $ (41,910)
Earnings (loss) per share: |  |  |
Basic (in dollars per share) | $ 0.28 | $ 0.45 | $ (0.97)
Diluted (in dollars per share) | $ 0.28 | $ 0.43 | $ (0.97)
Weighted-average number of common shares outstanding: |  |  |
Basic (in shares) | 57,030 | 53,433 | 43,210
Diluted (in shares) | 58,458 | 65,803 | 43,210

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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph g -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 2 -Paragraph 12, 13 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 86 -Paragraph 11, 12 -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. + Details
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