Financial Instruments (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 25, 2011	Dec. 26, 2010	Dec. 25, 2011	Dec. 26, 2010
Financial Instruments [Abstract]
Gains realized from sales of investments	$ 400,000	$ 200,000	$ 200,000	$ 200,000
Losses realized from sales of investments	200,000	200,000	200,000	200,000
Deferred net gains/losses associated with ineffectiveness	0	0	0	0
Other comprehensive income expected to be reclassified	5,700,000		5,700,000
Other than temporary impairment of strategic private equity investment			$ 1,724,000