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Derivatives and Fair Value Measurements - Schedule of the Effect of Derivative Instruments on the Statements of Operations (Details) - Derivatives designated as hedging instruments - Derivatives in Cash Flow Hedging Relationships - USD ($) $ in Thousands | 12 Months Ended
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Sep. 29, 2018 | Sep. 30, 2017 | Oct. 01, 2016
Interest rate swaps |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of Gain (Loss) Recognized in OCL on Derivatives (Effective Portion) | $ 0 | $ (10) | $ (16)
Forward currency forward contracts |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of Gain (Loss) Recognized in OCL on Derivatives (Effective Portion) | $ 2,579 | $ (848) | $ 5,311

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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 + Details
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