Financial Instruments, Short-term Investments (Details) (USD $)			3 Months Ended	12 Months Ended
	Sep. 28, 2013	Jun. 29, 2013	Sep. 28, 2013 Short-Term Investment [Member]	Jun. 30, 2012 Short-Term Investment [Member]	Sep. 28, 2013 Government agency securities [Member]	Jun. 29, 2013 Government agency securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities			$ 0	$ 0
Available-for-sale Securities [Abstract]
Amortized Cost	25,011,000	25,024,000			25,011,000	25,024,000
Gross Unrealized Gains	25,000	36,000			25,000	36,000
Gross Unrealized Loss	0	0			0	0
Estimated Fair Value	$ 25,036,000	$ 25,060,000			$ 25,036,000	$ 25,060,000