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Goodwill and Intangible Assets (Schedule of Goodwill) (Details) $ in Thousands | 6 Months Ended
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Mar. 30, 2019 USD ($)
Goodwill [Line Items] |
Balance, October 1, 2018 | $ 1,182,457
Frustum acquisition | 53,673
Foreign currency translation adjustment | (6,589)
Balance, March 30, 2019 | 1,229,541
Software Products |
Goodwill [Line Items] |
Balance, October 1, 2018 | 1,152,720
Frustum acquisition | 53,673
Foreign currency translation adjustment | (6,423)
Balance, March 30, 2019 | 1,199,970
Professional Services |
Goodwill [Line Items] |
Balance, October 1, 2018 | 29,737
Frustum acquisition | 0
Foreign currency translation adjustment | (166)
Balance, March 30, 2019 | $ 29,571

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
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