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Goodwill and Intangible Assets - Schedule of Carrying Value of Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
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Oct. 01, 2017 | Oct. 02, 2016
Goodwill [Roll Forward] |  |
Balance at beginning of the period | $ 717,988 | $ 601,379
Goodwill additions | 7,055 | 107,618
Goodwill adjustments | 705 | 1,687
Foreign exchange translation | 15,138 | 7,304
Balance at end of the period | 740,886 | 717,988
WEI |  |
Goodwill [Roll Forward] |  |
Balance at beginning of the period | 221,953 | 210,748
Goodwill additions | 0 | 9,080
Goodwill adjustments | 13,509 | 0
Foreign exchange translation | 6,273 | 2,125
Balance at end of the period | 241,735 | 221,953
RME |  |
Goodwill [Roll Forward] |  |
Balance at beginning of the period | 496,035 | 390,631
Goodwill additions | 7,055 | 98,538
Goodwill adjustments | (12,804) | 1,687
Foreign exchange translation | 8,865 | 5,179
Balance at end of the period | $ 499,151 | $ 496,035

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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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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + 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 (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits 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 (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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