Intangible Assets, Net (Details) (USD $)	3 Months Ended		6 Months Ended			6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended					6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended
	Dec. 28, 2012	Dec. 30, 2011	Dec. 28, 2012	Dec. 30, 2011	Jun. 29, 2012	Dec. 28, 2012 Customer relationships	Jun. 29, 2012 Customer relationships	Dec. 28, 2012 Purchased technology	Jun. 29, 2012 Purchased technology	Dec. 28, 2012 Customer backlog		Jun. 29, 2012 Customer backlog		Dec. 28, 2012 Trademark/ trade name portfolio	Jun. 29, 2012 Trademark/ trade name portfolio	Dec. 28, 2012 Patents and other	Jun. 29, 2012 Patents and other
Intangible assets by major asset class:
Finite-lived intangible assets, weighted average useful life						5 years	5 years	5 years	5 years					5 years	5 years	2 years	2 years
Finite-lived intangible assets, gross carrying amount	$ 29,107,000		$ 29,107,000		$ 29,818,000	$ 6,900,000	$ 7,245,000	$ 7,800,000	$ 7,800,000	$ 10,540,000	[1]	$ 10,695,000	[1]	$ 3,667,000	$ 3,738,000	$ 200,000	$ 340,000
Accumulated amortization	(22,763,000)		(22,763,000)		(21,143,000)	(5,060,000)	(4,407,000)	(5,490,000)	(4,980,000)	(9,297,000)	[1]	(9,115,000)	[1]	(2,716,000)	(2,365,000)	(200,000)	(276,000)
Finite-lived intangible assets, net	6,344,000		6,344,000		8,675,000	1,840,000	2,838,000	2,310,000	2,820,000	1,243,000	[1]	1,580,000	[1]	951,000	1,373,000	0	64,000
Intangible assets amortization expense	900,000	1,300,000	1,900,000	2,900,000
Expected amortization expense;
2013 (remaining six months)	1,998,000		1,998,000
2014	2,999,000		2,999,000
2015	539,000		539,000
2016	427,000		427,000
2017 and thereafter	$ 381,000		$ 381,000

[1] The customer backlog intangible asset is amortized as revenue recognition criteria is met for a particular customer order, reflecting the use of the asset.