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Income Taxes (Schedule of Effective Income Tax Rate and Amount Reconciliation) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended			30 Months Ended
	Jun. 30, 2013	Jun. 24, 2012	Jun. 26, 2011	Jun. 24, 2012
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Federal income tax provision at statutory rate, amount	$ 37,645	$ 16,676	$ 62,378
Federal income tax provision at statutory rate, rate	35.00%	35.00%	35.00%
State tax provision, net of federal benefit, amount	1,146	68	2,665
State tax provision, net of federal benefit, rate	1.00%	0.00%	1.00%
State tax credits, amount	(1,407)	(1,028)	(496)
State tax credits, rate	(1.00%)	(2.00%)	0.00%
Tax exempt interest, amount	(853)	(1,064)	(1,646)
Tax exempt interest, rate	(1.00%)	(2.00%)	(1.00%)
48C Investment Tax Credit, amount	(5,252)	(4,105)	(4,023)	(14,800)
48C Investment Tax Credit, rate	(5.00%)	(9.00%)	(2.00%)
Decrease in tax reserve, amount	(361)	(2,677)	(2,175)
Decrease in tax reserve, rate	0.00%	(6.00%)	(1.00%)
Research and development credits, amount	(2,426)	(694)	(3,619)
Research and development credits, rate	(2.00%)	(1.00%)	(2.00%)
Increase (decrease) in valuation allowance, amount	(6)	(13)	183
Increase (decrease) in valuation allowance, rate	0.00%	0.00%	0.00%
Qualified production activities deduction, amount	(866)	(177)	(2,714)
Qualified production activities deduction, rate	(1.00%)	(1.00%)	(1.00%)
Stock-based compensation, amount	1,206	336	308
Stock-based compensation, rate	1.00%	1.00%	0.00%
Statutory rate differences, amount	(10,184)	(5,830)	(16,117)
Statutory rate differences, rate	(10.00%)	(12.00%)	(9.00%)
Effect of tax rate change, amount	0	0	(2,998)
Effect of tax rate change, rate	0.00%	0.00%	(2.00%)
Other, amount	1,990	1,743	(19)
Other, rate	2.00%	4.00%	0.00%
Income tax expense	$ 20,632	$ 3,235	$ 31,727
Income tax expense, rate	19.00%	7.00%	18.00%

X

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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