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Debt - Textual (Details)	1 Months Ended	12 Months Ended
	Jul. 31, 2018	Sep. 29, 2018 USD ($)	Sep. 30, 2017 USD ($)	Oct. 31, 2015 USD ($)
Debt Instrument [Line Items]
Long-term Debt		$ 39,764,000	$ 39,600,000
J.P. Morgan Chase Bank, N.A. | Line of credit | Term Loan under Credit Facility
Debt Instrument [Line Items]
Fixed charge ratio, covenant one		1.0	1.0
Fixed charge ratio, covenant two		1.15	1.15
J.P. Morgan Chase Bank, N.A. | Line of credit | Term Loan under Credit Facility | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt, basis spread on variable rate		2.25%
Gordon Brothers Finance Company | Line of credit | Term loan under Amended Term Loan | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt, basis spread on variable rate	9.50%
Credit facility | J.P. Morgan Chase Bank, N.A. | Line of credit
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 80,000,000
Unused capacity, commitment fee percentage		0.20%
Fixed charge ratio, covenant one		1.0	1.0
Fixed charge ratio, covenant two		1.15	1.15
Credit facility | J.P. Morgan Chase Bank, N.A. | Line of credit | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt, basis spread on variable rate		2.50%
Letter of credit | J.P. Morgan Chase Bank, N.A. | Line of credit
Debt Instrument [Line Items]
Maximum borrowing capacity				10,000,000
Borrowing capacity		$ 4,500,000	$ 4,400,000
Swing loan | J.P. Morgan Chase Bank, N.A. | Line of credit
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 8,000,000

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Debt Instrument, Fixed Charge Ratio, Covenant One

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Debt Instrument, Fixed Charge Ratio, Covenant Two

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
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