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Derivative Financial Instruments (Narrative) (Details) - USD ($) $ in Thousands | 6 Months Ended
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Mar. 31, 2018 | Apr. 01, 2017
Designated as Hedging Instrument |  |
Derivative |  |
Cash Flow Hedge Ineffectiveness is Immaterial | not material | not material
Designated as Hedging Instrument | Interest Rate Swaps |  |
Derivative |  |
Notional Amount, Derivative | $ 150,000 |
Conversion Rate Of Interest Rate Swaps From Variable to Fixed | 2.62% |
Basis Spread on Variable Rate Derivative | 1.38% |
Designated as Hedging Instrument | Foreign Currency Contracts |  |
Derivative |  |
Notional Amount, Derivative | $ 49,153 |
Designated as Hedging Instrument | Net Investment Hedge |  |
Derivative |  |
Notional Amount, Derivative | 28,722 |
Not Designated as Hedging Instrument | Foreign Currency Contracts |  |
Derivative |  |
Notional Amount, Derivative | $ 78,648 |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Conversion rate of interest rate swaps. + References No definition available. + Details
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Period Type: | instant

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- Definition A disclosure of an assertion that the amount of cash flow hedge ineffectiveness is immaterial. + 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 (d)(1) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 + Details
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- Definition The percentage points added to the reference rate to compute the variable rate on the interest rate derivative. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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