Long-term Debt (Details) (USD $)	9 Months Ended	12 Months Ended
	Mar. 28, 2014 Quarter	Jun. 30, 2013
Debt Instrument [Line Items]
Subtotal	$ 25,047,000	$ 27,153,000
Less: current maturities and short-term borrowings	(3,625,000)	(3,681,000)
Total long-term debt	21,422,000	23,472,000
Number of recent quarters considered for minimum EBITDA	4
US treasury yield curve rate (in hundredths)	0.93%	0.66%
Add-on-to reference rate to calculate discount rate (in hundredths)	1.65%	1.65%
Total rate of interest (in hundredths)	2.58%	2.31%
Revolving Loan [Member]
Debt Instrument [Line Items]
Subtotal	14,250,000	16,300,000
10-year Unsecured Senior Notes [Member]
Debt Instrument [Line Items]
Subtotal	10,714,000	10,714,000
Maturity period of unsecured senior notes	10 years
Maturity date of note agreement	Apr. 10, 2016
Fair value of long term debt	11,214,000	11,536,000
Other [Member]
Debt Instrument [Line Items]
Subtotal	$ 83,000	$ 139,000