Goodwill and Intangible Assets Intangible Assets (Details) (USD $)	6 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended
	Dec. 30, 2012	Dec. 30, 2012 Intellectual property [Member]	Jan. 01, 2012 Customer relationships [Member]	Dec. 30, 2012 Customer relationships [Member]	Dec. 30, 2012 Technology licenses [Member]	Jan. 01, 2012 Technology licenses [Member]	Jan. 01, 2012 Minimum [Member] Intellectual property [Member]	Jan. 01, 2012 Maximum [Member] Intellectual property [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization expense					$ 1,400,000
Weighted average remaining amortization period (in years)	7 years 2 months		10 years			10 years	5 years	10 years
Amortizable intangible assets, useful life, maximum (in years)	7 years 2 months		10 years			10 years	5 years	10 years
Original cost	73,670,000	13,100,000		4,000,000	56,570,000
Accumulated amortization	(57,827,000)	(1,800,000)		(400,000)	(55,627,000)
Total intangible assets, net	$ 15,843,000	$ 11,300,000		$ 3,600,000	$ 943,000