Debt Disclosure [Line Items]

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Amount of the required periodic payments applied to principal.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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-Publisher FASB
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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
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Long-Term Debt (Detail) - USD ($)	9 Months Ended
Long-Term Debt (Detail) - USD ($)	Apr. 01, 2017	Dec. 28, 2016	Jul. 02, 2016	Aug. 06, 2015	Sep. 03, 2014
Debt Disclosure [Line Items]
Line of Credit Facility, Amount Outstanding	$ 18,200,000		$ 18,100,000
Letters of Credit Outstanding, Amount	400,000		400,000
Additional availability of line of credit	26,400,000		26,500,000
Debt Instrument, Periodic Payment, Principal	1,250,000
Debt Instrument, Unused Borrowing Capacity, Amount	2,100,000
2017 (1)	1,468,000
2018	5,871,000
2019	5,871,000
2020	30,354,000
2021	871,000
Total debt	44,435,000
Unamortized debt issuance costs	(128,000)
Long-term debt, net of debt issuance costs	$ 44,307,000				$ 35,000,000
Line of Credit \| One-Month London Interbank Offered Rate
Debt Disclosure [Line Items]
Variable rate on line of credit facility (percent)	1.50%
Line of Credit \| Federal Funds Rate
Debt Disclosure [Line Items]
Variable rate on line of credit facility (percent)	1.50%
Term Loan
Debt Disclosure [Line Items]
Long-term debt, net of debt issuance costs	$ 22,500,000		$ 26,300,000
Equipment Term Loan
Debt Disclosure [Line Items]
Debt Instrument, Periodic Payment, Principal	200,000
Long-term debt, net of debt issuance costs	$ 3,700,000	$ 3,900,000
Wells Fargo Bank
Debt Disclosure [Line Items]
Increase in revolving line of credit				$ 45,000,000.0
Debt Instrument, Basis Spread on Variable Rate, 1.75% \| Line of Credit \| Fixed Rate
Debt Disclosure [Line Items]
Variable rate on line of credit facility (percent)	1.75%
Debt Instrument, Basis Spread on Variable Rate, 2.00% \| Line of Credit \| Fixed Rate
Debt Disclosure [Line Items]
Variable rate on line of credit facility (percent)	2.00%
Debt Instrument, Basis Spread on Variable Rate, 2.25% \| Line of Credit \| Fixed Rate
Debt Disclosure [Line Items]
Variable rate on line of credit facility (percent)	2.25%
Minimum
Debt Disclosure [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	2.7844%		2.45%
Maximum
Debt Disclosure [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	4.00%		3.50%