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Income Taxes (Schedule of Effective Income Tax Rate and Amount Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended			78 Months Ended
	Jun. 26, 2016	Jun. 28, 2015	Jun. 29, 2014	Jun. 26, 2016
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Federal income tax provision at statutory rate, amount	$ (8,227)	$ (29,379)	$ 51,286
Federal income tax provision at statutory rate, rate	35.00%	35.00%	35.00%
State tax provision, net of federal benefit, amount	$ (748)	$ (817)	$ 2,530
State tax provision, net of federal benefit, rate	3.00%	1.00%	2.00%
State tax credits, amount	$ (269)	$ (585)	$ (1,004)
State tax credits, rate	1.00%	1.00%	(1.00%)
Tax exempt interest, amount	$ (2,019)	$ (2,413)	$ (815)
Tax exempt interest, rate	9.00%	3.00%	(1.00%)
48C Investment Tax Credit, amount	$ (4,334)	$ (6,826)	$ (11,310)	$ (37,200)
48C Investment Tax Credit, rate	18.00%	8.00%	(8.00%)
(Decrease) increase in tax reserve	$ (80)	$ (225)	$ 15,411
Increase (decrease) in tax reserve, rate	0.00%	0.00%	11.00%
Change in tax depreciation methodology, amount	$ 0	$ 0	$ (18,475)
Change in tax depreciation methodology, rate	(0.00%)	0.00%	(12.00%)
Research and development credits, amount	$ (2,138)	$ (2,081)	$ (1,574)
Research and development credits, rate	9.00%	2.00%	(1.00%)
Foreign tax credit, amount	$ (954)	$ (389)	$ (490)
Foreign tax credit, rate	4.00%	(0.00%)	(0.00%)
Decrease in valuation allowance, amount	$ 9,286	$ 0	$ (20)
Decrease in valuation allowance, rate	(39.00%)	0.00%	0.00%
Qualified production activities deduction, amount	$ 0	$ (520)	$ (2,362)
Qualified production activities deduction, rate	(0.00%)	1.00%	(1.00%)
Stock-based compensation, amount	$ 1,346	$ 2,988	$ 2,024
Stock-based compensation, rate	(6.00%)	(4.00%)	1.00%
Statutory rate differences, amount	$ 2,748	$ 18,738	$ (14,285)
Statutory rate differences, rate	(12.00%)	(22.00%)	(10.00%)
Foreign earnings taxed in U.S.	$ 1,165	$ 1,793	$ 0
Foreign Earnings taxed in U.S., rate	(5.00%)	(2.00%)	0.00%
Foreign currency fluctuations	$ 748	$ (818)	$ (20)
Foreign currency fluctuations, rate	(3.00%)	1.00%	0.00%
Other, amount	$ 1,506	$ 1,287	$ 2,145
Other, rate	(6.00%)	(1.00%)	1.00%
Income tax (benefit) expense	$ (1,970)	$ (19,247)	$ 23,041
Income tax expense, rate	8.00%	23.00%	16.00%

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