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Income Taxes (Schedule of Effective Income Tax Rate and Amount Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 25, 2017	Jun. 26, 2016	Jun. 28, 2015
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Federal income tax provision at statutory rate, amount	$ (1,632)	$ (8,227)	$ (29,379)
Federal income tax provision at statutory rate, rate	35.00%	35.00%	35.00%
State tax provision, net of federal benefit, amount	$ (727)	$ (748)	$ (817)
State tax provision, net of federal benefit, rate	16.00%	3.00%	1.00%
State tax credits, amount	$ (69)	$ (269)	$ (585)
State tax credits, rate	(1.00%)	1.00%	(1.00%)
Tax exempt interest, amount	$ (1,243)	$ (2,019)	$ (2,413)
Tax exempt interest, rate	27.00%	9.00%	3.00%
48C Investment Tax Credit, amount	$ (4,383)	$ (4,334)	$ (6,826)
48C Investment Tax Credit, rate	94.00%	18.00%	8.00%
(Decrease) increase in tax reserve	$ (3,587)	$ (80)	$ (225)
Increase (decrease) in tax reserve, rate	77.00%	(0.00%)	(0.00%)
Research and development credits, amount	$ (1,728)	$ (2,138)	$ (2,081)
Research and development credits, rate	37.00%	9.00%	2.00%
Foreign tax credit, amount	$ (1,114)	$ (954)	$ (389)
Foreign tax credit, rate	24.00%	4.00%	0.00%
Increase in valuation allowance, amount	$ 108,077	$ 9,286	$ 0
Increase in valuation allowance, rate	(2318.00%)	(39.00%)	0.00%
Qualified production activities deduction, amount	$ 0	$ 0	$ (520)
Qualified production activities deduction, rate	0.00%	0.00%	1.00%
Stock-based compensation, amount	$ 1,389	$ 1,346	$ 2,988
Stock-based compensation, rate	(30.00%)	(6.00%)	(4.00%)
Statutory rate differences, amount	$ (5,162)	$ 2,748	$ 18,738
Statutory rate differences, rate	111.00%	(12.00%)	(22.00%)
Foreign earnings taxed in U.S.	$ 1,313	$ 1,165	$ 1,793
Foreign Earnings taxed in U.S., rate	28.00%	(5.00%)	2.00%
Foreign currency fluctuations	$ 841	$ 748	$ (818)
Foreign currency fluctuations, rate	18.00%	(3.00%)	(1.00%)
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	$ 715	$ 13	$ (83)
Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent	15.00%	(0.00%)	(0.00%)
Net operating loss carryback	$ 494	$ 238	$ 0
Effective Income Tax Rate Reconciliation, Tax Settlement, Other, Percent	11.00%	(1.00%)	(0.00%)
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount	$ 165	$ (10)	$ 391
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent	(4.00%)	0.00%	0.00%
Other, amount	$ 105	$ 1,265	$ 979
Other, rate	2.00%	(5.00%)	1.00%
Income tax expense (benefit)	$ 93,454	$ (1,970)	$ (19,247)
Income tax expense, rate	(2004.00%)	8.00%	23.00%

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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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