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Note 5 - Restructuring Charges and Acquisition Costs (Details) - Summaries of the Restructuring Activities and Associated Costs Incurred (USD $) | 12 Months Ended |
--- | --- | ---
Sep. 29, 2012 | Oct. 01, 2011 | Oct. 01, 2011 | Oct. 02, 2010
Restructuring Cost and Reserve [Line Items] |  |  |  |
Liability | $ 0 | $ 254,000 | $ 254,000 | $ 0
Restructuring charges |  | 9,927,000 |  |
Gain on sale of assets held for sale |  | (1,609,000) |  |
Restructuring charges | 832,000 | 8,318,000 | 8,318,000 |
Cash payments | (1,097,000) | (4,239,000) |  |
Non-cash charges | 11,000 | (3,825,000) |  |
Employee Severance [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Liability | 0 | 65,000 | 65,000 | 0
Restructuring charges |  | 2,263,000 |  |
Gain on sale of assets held for sale |  | 0 |  |
Restructuring charges | (40,000) | 2,263,000 |  |
Cash payments | (25,000) | (2,198,000) |  |
Non-cash charges | 0 | 0 |  |
Asset Impairment Charges [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Liability | 0 | 0 | 0 | 0
Restructuring charges |  | 3,825,000 |  |
Gain on sale of assets held for sale |  | 0 |  |
Restructuring charges | (11,000) | 3,825,000 |  |
Cash payments | 0 | 0 |  |
Non-cash charges | 11,000 | (3,825,000) |  |
Facility Closing [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Liability | 0 | 77,000 | 77,000 | 0
Restructuring charges |  | 2,606,000 |  |
Gain on sale of assets held for sale |  | (1,609,000) |  |
Restructuring charges | 139,000 | 997,000 |  |
Cash payments | (216,000) | (920,000) |  |
Non-cash charges | 0 | 0 |  |
Equipment Relocation Costs [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Liability | 0 | 112,000 | 112,000 | 0
Restructuring charges |  | 1,233,000 |  |
Gain on sale of assets held for sale |  | 0 |  |
Restructuring charges | 744,000 | 1,233,000 |  |
Cash payments | (856,000) | (1,121,000) |  |
Non-cash charges | $ 0 | $ 0 |  |

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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228 + Details
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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Amount of consideration other than cash used to fully or partially settle an accrued restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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