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Income Taxes (Schedule of Effective Income Tax Rate and Amount Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended			66 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 30, 2013	Jun. 28, 2015
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Federal income tax provision at statutory rate, amount	$ (29,016)	$ 51,645	$ 37,645
Federal income tax provision at statutory rate, rate	35.00%	35.00%	35.00%
State tax provision, net of federal benefit, amount	$ (797)	$ 2,550	$ 1,146
State tax provision, net of federal benefit, rate	1.00%	2.00%	1.00%
State tax credits, amount	$ (585)	$ (1,004)	$ (1,407)
State tax credits, rate	1.00%	(1.00%)	(1.00%)
Tax exempt interest, amount	$ (2,413)	$ (815)	$ (853)
Tax exempt interest, rate	3.00%	0.00%	(1.00%)
48C Investment Tax Credit, amount	$ (6,826)	$ (11,310)	$ (5,252)	$ (32,900)
48C Investment Tax Credit, rate	8.00%	(8.00%)	(5.00%)
(Decrease) increase in tax reserve	$ (225)	$ 15,411	$ (361)
Increase (decrease) in tax reserve, rate	0.00%	10.00%	0.00%
Change in tax depreciation methodology, amount	$ 0	$ (18,475)	$ 0
Change in tax depreciation methodology, rate	0.00%	(12.00%)	0.00%
Research and development credits, amount	$ (2,081)	$ (1,574)	$ (2,426)
Research and development credits, rate	3.00%	(1.00%)	(2.00%)
Decrease in valuation allowance, amount	$ 0	$ (20)	$ (6)
Decrease in valuation allowance, rate	0.00%	0.00%	0.00%
Qualified production activities deduction, amount	$ (520)	$ (2,362)	$ (866)
Qualified production activities deduction, rate	1.00%	(1.00%)	(1.00%)
Stock-based compensation, amount	$ 2,988	$ 2,024	$ 1,206
Stock-based compensation, rate	(4.00%)	1.00%	1.00%
Statutory rate differences, amount	$ 18,732	$ (14,285)	$ (10,184)
Statutory rate differences, rate	(23.00%)	(10.00%)	(10.00%)
Foreign earnings taxed in U.S.	$ 2,697	$ 0	$ 0
Foreign Earnings taxed in U.S., rate	(3.00%)	0.00%	0.00%
Other, amount	$ (805)	$ 1,594	$ 1,990
Other, rate	1.00%	1.00%	2.00%
Income tax (benefit) expense	$ (18,851)	$ 23,379	$ 20,632
Income tax expense, rate	23.00%	16.00%	19.00%

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to subpart F income.

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