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Restructuring and Other Charges (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2017 | Mar. 31, 2017 | Sep. 30, 2016 | Jul. 01, 2016 | Apr. 01, 2016 | Jan. 01, 2016 | Oct. 02, 2015 | Jun. 26, 2015 | Mar. 27, 2015 | Sep. 26, 2014 | Jun. 27, 2014 | Sep. 29, 2017 | Sep. 30, 2016 | Oct. 02, 2015 | Sep. 26, 2014
Restructuring And Related Activities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Charges |  |  | $ 36,000 | $ 25,800 | $ 25,700 | $ 48,100 | $ 68,200 | $ 30,100 | $ 9,600 | $ 30,400 | $ 47,000 | $ 98,688 | $ 187,907 | $ 157,192 | $ 93,300
Restructuring pre-tax net charges |  | $ 22,600 |  |  |  |  |  |  |  |  |  |  |  |  |
Net realizable value write-offs on contract accounts receivables |  | 16,500 |  |  |  |  |  |  |  |  |  |  |  |  |
Statutory redundancy and severance costs |  | 1,400 |  |  |  |  |  |  |  |  |  |  |  |  |
Other liabilities |  | $ 4,700 |  |  |  |  |  |  |  |  |  |  |  |  |
Additional charges recorded under business exit | $ 1,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, 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 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 2: 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 3: 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 4: 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=98514028&loc=d3e3602-108585 + Details
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