Long-term Debt (Details) (USD $)	3 Months Ended
	Sep. 28, 2012	Jun. 30, 2012
Debt Instrument [Line Items]
Subtotal	$ 38,994,000	$ 32,145,000
Less: current maturities and short-term borrowings	(3,656,000)	(3,744,000)
Total long-term debt	35,338,000	28,401,000
Number of recent quarters considered for minimum EBITDA	4
US Treasury Yield Curve Rate (in hundredths)	0.31%	0.41%
Add-on to reference rate to calculate discount rate (in hundredths)	1.50%	1.50%
Revolving Loan [Member]
Debt Instrument [Line Items]
Subtotal	24,450,000	17,550,000
10-year Unsecured Senior Notes [Member]
Debt Instrument [Line Items]
Subtotal	14,286,000	14,286,000
Maturity period of unsecured senior notes	10 years
Fair value of long term debt	15,658,000	15,768,000
Maturity date of note agreement	Apr. 10, 2016
Other [Member]
Debt Instrument [Line Items]
Subtotal	$ 258,000	$ 309,000