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Restructuring (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 01, 2016 USD ($) | Mar. 27, 2015 USD ($) | Apr. 01, 2016 USD ($) employee | Mar. 27, 2015 USD ($)
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring charges | $ 1,255 | $ 0 | $ 1,255 | $ (39)
Document Period End Date |  |  | Apr. 01, 2016 |
Restructuring Charges [Member] |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Restructuring charges |  |  | $ 1,300 |
Restructuring and Related Cost, Number of Positions Eliminated | employee |  |  | 30 |

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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=56944662&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 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 4: 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 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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