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

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Fixed interest rate related to the interest rate derivative.

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Amount of increase in the fair value of derivatives recognized in the income statement.

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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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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.

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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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Financing (Long-Term Debt Narratives) (Details) - USD ($)					3 Months Ended
	Aug. 14, 2017	Jul. 06, 2017	Jun. 28, 2017	Jul. 01, 2015	Sep. 30, 2017	Sep. 30, 2016	Jun. 30, 2017
Line of Credit Facility [Line Items]
Long-term Debt					$ 108,207,000		$ 53,403,000
Debt Issuance Costs, Net							$ 671,000
Principal payments on long-term borrowings	$ 50,000,000				50,000,000	$ 15,000,000
Write off of Deferred Debt Issuance Cost					815,000
Derivative, term of contract				5 years
Fixed quarterly interest rate				1.52%
Derivative notional amount				$ 39,250,000
Outstanding balance, percent				50.00%
Derivative, gain on derivative					$ 31,000	$ 245,000
Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 35,000
Term Loan
Line of Credit Facility [Line Items]
Long-term Debt			160,000,000
Long-term Debt
Line of Credit Facility [Line Items]
Long-term debt, weighted average interest rate					3.70%
June 2017 Term Loan [Member] \| Credit Agreement [Member]
Line of Credit Facility [Line Items]
Long-term Debt			55,000,000
June 2017 Term Loan [Member] \| Credit Agreement [Member] \| Debt Instrument, Redemption, Period One \| Long-term Debt
Line of Credit Facility [Line Items]
Debt instrument, periodic payment			700,000
June 2017 Term Loan [Member] \| Credit Agreement [Member] \| Debt Instrument, Redemption, Period Two \| Long-term Debt
Line of Credit Facility [Line Items]
Debt instrument, periodic payment			1,000,000
June 2017 Term Loan [Member] \| Credit Agreement [Member] \| Debt Instrument, Redemption, Period Three \| Long-term Debt
Line of Credit Facility [Line Items]
Debt instrument, periodic payment			1,400,000
July 2017 Term Loan [Member] \| Credit Agreement [Member]
Line of Credit Facility [Line Items]
Long-term Debt		$ 105,000,000
July 2017 Term Loan [Member] \| Credit Agreement [Member] \| Debt Instrument, Redemption, Period One \| Long-term Debt
Line of Credit Facility [Line Items]
Debt instrument, periodic payment		1,300,000
July 2017 Term Loan [Member] \| Credit Agreement [Member] \| Debt Instrument, Redemption, Period Two \| Long-term Debt
Line of Credit Facility [Line Items]
Debt instrument, periodic payment		2,000,000
July 2017 Term Loan [Member] \| Credit Agreement [Member] \| Debt Instrument, Redemption, Period Three \| Long-term Debt
Line of Credit Facility [Line Items]
Debt instrument, periodic payment		$ 2,600,000
Term Loan [Member] \| Credit Agreement [Member]
Line of Credit Facility [Line Items]
Incremental Term Loan Maximum Borrowing Capacity			50,000,000
Deferred finance costs					$ 2,074,000
Credit Facility, Maximum Amount, Purchase Of Stock Or Stock Options			2,000,000
Credit Facility, Maximum Amount, Share Repurchase			20,000,000
Credit Facility, Maximum Amount, Dividend And Distributions			$ 6,000,000
Term Loan [Member] \| Credit Agreement [Member] \| Federal Funds Effective Swap Rate [Member] \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			0.50%
Term Loan [Member] \| Credit Agreement [Member] \| Base Rate \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			1.00%
Term Loan [Member] \| Credit Agreement [Member] \| Minimum \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Line of credit facility, unused capacity, commitment fee percentage			0.25%
Term Loan [Member] \| Credit Agreement [Member] \| Minimum \| London Interbank Offered Rate (LIBOR) \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			1.75%
Term Loan [Member] \| Credit Agreement [Member] \| Minimum \| Base Rate \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			0.75%
Term Loan [Member] \| Credit Agreement [Member] \| Maximum \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Line of credit facility, unused capacity, commitment fee percentage			0.50%
Term Loan [Member] \| Credit Agreement [Member] \| Maximum \| London Interbank Offered Rate (LIBOR) \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			3.00%
Term Loan [Member] \| Credit Agreement [Member] \| Maximum \| Base Rate \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			2.00%