Asset Impairment, Restructuring and Other Charges (Recoveries) (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 29, 2013	Dec. 23, 2012	Dec. 29, 2013	Dec. 23, 2012
Reported in asset impairment, restructuring and other charges [Abstract]
Asset Impairment Charges	$ 0	$ 1,906,000	$ 0	$ 1,906,000
Severance and workforce reduction costs (recoveries)	(9,000)	2,276,000	119,000	11,242,000
Decommissioning costs	93,000	55,000	177,000	55,000
Relocation and re-qualification costs	931,000	704,000	2,121,000	704,000
Total asset impairment, restructuring and other charges (recoveries)	1,015,000	4,941,000	2,417,000	13,907,000
Reported in cost of sales [Abstract]
Other Charges Related to the Restructuring Initiatives	700,000	400,000	1,100,000	1,300,000
Changes in restructuring related accruals [Roll Forward]
Balance at beginning of period			197,000
Accrued (recovered) during the period and charged to asset impairment, restructuring and other charges			119,000
Costs paid during the period			(172,000)
Balance at end of period	144,000		144,000
Fiscal Year 2013 El Segundo Fabrication Facility Closure Initiative [Member]
Reported in asset impairment, restructuring and other charges [Abstract]
Asset Impairment Charges	0	178,000	0	178,000
Severance and workforce reduction costs (recoveries)	(9,000)	170,000	(22,000)	5,857,000
Decommissioning costs	0	0	0	0
Relocation and re-qualification costs	0	210,000	4,000	210,000
Total asset impairment, restructuring and other charges (recoveries)	(9,000)	558,000	(18,000)	6,245,000
Reported in cost of sales [Abstract]
Other Charges Related to the Restructuring Initiatives	0	400,000	0	1,300,000
Changes in restructuring related accruals [Roll Forward]
Costs paid during the period	0	(1,600,000)	0	(2,400,000)
Total estimated costs of initiative [Abstract]
Total estimated cost of initiative, pre-tax			6,500,000
Total estimated future cash payments	200,000		200,000
Estimated cash expenditures for decommissioning	2,500,000		2,500,000
Fiscal Year 2013 El Segundo Fabrication Facility Closure Initiative [Member] | Severance and Workforce Reduction Costs (Recoveries) [Member]
Changes in restructuring related accruals [Roll Forward]
Balance at beginning of period			197,000
Accrued (recovered) during the period and charged to asset impairment, restructuring and other charges			(22,000)
Costs paid during the period			(31,000)
Balance at end of period	144,000		144,000
Total estimated costs of initiative [Abstract]
Total estimated cost of initiative, pre-tax			5,900,000
Fiscal Year 2013 El Segundo Fabrication Facility Closure Initiative [Member] | Relocation and requalification costs [Member]
Total estimated costs of initiative [Abstract]
Total estimated cost of initiative, pre-tax			400,000
Fiscal Year 2013 El Segundo Fabrication Facility Closure Initiative [Member] | Asset impairment costs [Member]
Total estimated costs of initiative [Abstract]
Total estimated cost of initiative, pre-tax			200,000
Fiscal Year 2013 Newport Fabrication Facility Resizing Initiative [Member]
Reported in asset impairment, restructuring and other charges [Abstract]
Asset Impairment Charges	0	666,000	0	666,000
Severance and workforce reduction costs (recoveries)	0	597,000	141,000	597,000
Decommissioning costs	93,000	55,000	177,000	55,000
Relocation and re-qualification costs	931,000	494,000	2,117,000	494,000
Total asset impairment, restructuring and other charges (recoveries)	1,024,000	1,812,000	2,435,000	1,812,000
Reported in cost of sales [Abstract]
Other Charges Related to the Restructuring Initiatives	600,000	0	1,100,000	0
Changes in restructuring related accruals [Roll Forward]
Costs paid during the period	(1,200,000)	(1,100,000)	(2,400,000)	(1,100,000)
Total estimated costs of initiative [Abstract]
Total estimated cost of initiative, pre-tax			16,500,000
Total estimated future cash payments	10,000,000		10,000,000
Fiscal Year 2013 Newport Fabrication Facility Resizing Initiative [Member] | Severance and Workforce Reduction Costs (Recoveries) [Member]
Changes in restructuring related accruals [Roll Forward]
Balance at beginning of period			0
Accrued (recovered) during the period and charged to asset impairment, restructuring and other charges			141,000
Costs paid during the period			(141,000)
Balance at end of period	0		0
Total estimated costs of initiative [Abstract]
Total estimated cost of initiative, pre-tax			3,200,000
Fiscal Year 2013 Newport Fabrication Facility Resizing Initiative [Member] | Relocation and requalification costs [Member]
Total estimated costs of initiative [Abstract]
Total estimated cost of initiative, pre-tax			6,900,000
Fiscal Year 2013 Newport Fabrication Facility Resizing Initiative [Member] | Asset impairment costs [Member]
Total estimated costs of initiative [Abstract]
Total estimated cost of initiative, pre-tax			700,000
Fiscal Year 2013 Newport Fabrication Facility Resizing Initiative [Member] | Decommissioning Costs [Member]
Total estimated costs of initiative [Abstract]
Total estimated cost of initiative, pre-tax			5,700,000
Fiscal Year 2013 Other Cost Reduction Activities Initiative [Member]
Reported in asset impairment, restructuring and other charges [Abstract]
Asset Impairment Charges	0	1,062,000	0	1,062,000
Severance and workforce reduction costs (recoveries)	0	1,509,000	0	4,788,000
Decommissioning costs	0	0	0	0
Relocation and re-qualification costs	0	0	0	0
Total asset impairment, restructuring and other charges (recoveries)	0	2,571,000	0	5,850,000
Changes in restructuring related accruals [Roll Forward]
Costs paid during the period		(1,900,000)		(3,800,000)
Fiscal Year 2013 Other Cost Reduction Activities Initiative [Member] | Severance and Workforce Reduction Costs (Recoveries) [Member]
Changes in restructuring related accruals [Roll Forward]
Balance at beginning of period			0
Accrued (recovered) during the period and charged to asset impairment, restructuring and other charges			0
Costs paid during the period			0
Balance at end of period	0		0
Fiscal Year 2013 Other Cost Reduction Activities Initiative [Member] | Related to research and development functions [Member]
Reported in asset impairment, restructuring and other charges [Abstract]
Severance and workforce reduction costs (recoveries)		600,000		1,100,000
Fiscal Year 2013 Other Cost Reduction Activities Initiative [Member] | Related to manufacturing functions [Member]
Reported in asset impairment, restructuring and other charges [Abstract]
Severance and workforce reduction costs (recoveries)		500,000		2,600,000
Fiscal Year 2013 Other Cost Reduction Activities Initiative [Member] | Related to general and administrative functions [Member]
Reported in asset impairment, restructuring and other charges [Abstract]
Severance and workforce reduction costs (recoveries)		400,000		1,100,000
Fiscal Year 2013 Other Cost Reduction Activities Initiative [Member] | Planned disposition of certain manufacturing equipment [Member]
Reported in asset impairment, restructuring and other charges [Abstract]
Asset Impairment Charges		$ 1,100,000		$ 1,100,000