Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

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- Definition

Represents the portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing the amount excluded from the assessment of hedge effectiveness.

+ References

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- Definition

Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion

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- Definition

Represents the number of derivative agreements entered into by the entity during the reporting period.

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No definition available.

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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Estimated period for the anticipated transfer of gain (loss), net, from accumulated other comprehensive income into earnings, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80845-113994

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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.

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- Definition

The number of derivative instruments of a particular group held by the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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- Definition

Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
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-Publisher FASB
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-Paragraph 10A
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-URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580

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Derivative Financial Instruments - General Information (Details)	3 Months Ended		12 Months Ended
	Sep. 30, 2018 USD ($) instrument agreement	Dec. 29, 2013 agreement	Sep. 30, 2018 USD ($) instrument	Oct. 01, 2017 USD ($) instrument	Sep. 29, 2013 agreement	Oct. 02, 2016 instrument
Not designated as hedging instruments
Derivative financial instruments
Number of derivative instruments \| instrument	0		0	0		0
Interest rate swap agreements \| Designated as cash flow hedges \| Derivatives designated as hedging instruments
Derivative financial instruments
Number of derivative agreements \| agreement	5	2			3
Amount of effective portion of derivatives before tax effect			$ (1,300,000)	$ (50,000)
Period of reclassification from accumulated other comprehensive income to interest expense				12 months
Amount expected to be reclassified from accumulated other comprehensive income to interest expense			(1,300,000)	$ (50,000)
Interest Rate Swap, Fixed Rate of 2.79%, Expiration July 2023, One \| Designated as cash flow hedges \| Derivatives designated as hedging instruments
Derivative financial instruments
Notional Amount (in thousands)	$ 50,000,000		$ 50,000,000
Fixed Rate	2.79%		2.79%
Interest Rate Swap, Fixed Rate of 2.79%, Expiration July 2023, Two \| Designated as cash flow hedges \| Derivatives designated as hedging instruments
Derivative financial instruments
Notional Amount (in thousands)	$ 50,000,000		$ 50,000,000
Fixed Rate	2.79%		2.79%
Interest Rate Swap, Fixed Rate of 2.79%, Expiration July 2023, Three \| Designated as cash flow hedges \| Derivatives designated as hedging instruments
Derivative financial instruments
Notional Amount (in thousands)	$ 50,000,000		$ 50,000,000
Fixed Rate	2.79%		2.79%
Interest Rate Swap, Fixed Rate of 2.79%, Expiration July 2023, Four \| Designated as cash flow hedges \| Derivatives designated as hedging instruments
Derivative financial instruments
Notional Amount (in thousands)	$ 50,000,000		$ 50,000,000
Fixed Rate	2.79%		2.79%
Interest Rate Swap, Fixed Rate of 2.79%, Expiration July 2023, Five \| Designated as cash flow hedges \| Derivatives designated as hedging instruments
Derivative financial instruments
Notional Amount (in thousands)	$ 50,000,000		$ 50,000,000
Fixed Rate	2.79%		2.79%
Foreign currency forward contracts and interest rate swap agreements \| Derivatives designated as hedging instruments
Derivative financial instruments
Ineffective portion of derivative instruments			$ 0	0
Amounts excluded from effectiveness testing			$ 0	$ 0