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Derivatives and Fair Value Measurements - Gain (Loss) Recognized in Income from Derivatives (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 29, 2018 | Sep. 30, 2017 | Oct. 01, 2016
Derivatives designated as hedging instruments | Derivatives in Cash Flow Hedging Relationships | Interest rate swaps | Interest expense |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of Gain (Loss) Reclassified from Accumulated OCL into Income (Effective Portion) | $ 0 | $ (142) | $ (381)
Derivatives designated as hedging instruments | Derivatives in Cash Flow Hedging Relationships | Interest rate swaps | Income tax expense |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of Gain (Loss) Reclassified from Accumulated OCL into Income (Effective Portion) | 0 | (84) | 0
Derivatives designated as hedging instruments | Derivatives in Cash Flow Hedging Relationships | Forward currency forward contracts | Selling and administrative expenses |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of Gain (Loss) Reclassified from Accumulated OCL into Income (Effective Portion) | 619 | (317) | (350)
Derivatives designated as hedging instruments | Derivatives in Cash Flow Hedging Relationships | Forward currency forward contracts | Cost of sales |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of Gain (Loss) Reclassified from Accumulated OCL into Income (Effective Portion) | 5,676 | (3,041) | (3,261)
Derivatives designated as hedging instruments | Derivatives in Cash Flow Hedging Relationships | Treasury Rate Locks | Interest expense |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of Gain (Loss) Reclassified from Accumulated OCL into Income (Effective Portion) | 226 | 321 | 320
Derivatives not designated as hedging instruments | Forward currency forward contracts | Miscellaneous income |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of Gain (Loss) on Derivatives Recognized in Income | $ 263 | $ 2,153 | $ 121

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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + 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 (c) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624177-113959 + Details
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- Definition Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments. + 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 (e) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5618551-113959 + Details
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