Segment Information - Concentration Risk (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	3 Months Ended	9 Months Ended	0 Months Ended			3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Mar. 30, 2012 Product revenue Customer concentration risk	Mar. 29, 2013 Product revenue Customer concentration risk U.S. Government	Mar. 29, 2013 Product revenue Customer concentration risk U.S. Government	Mar. 29, 2013 Accounts receivable Customer concentration risk customers	Jun. 29, 2012 Accounts receivable Customer concentration risk customers	Jun. 29, 2012 Accounts receivable Customer concentration risk Customer 1	Mar. 29, 2013 Americas Product revenue Customer concentration risk customers	Mar. 30, 2012 Americas Product revenue Customer concentration risk customers	Mar. 29, 2013 Americas Product revenue Customer concentration risk customers	Mar. 30, 2012 Americas Product revenue Customer concentration risk customers	Mar. 29, 2013 Japan and France Revenue Geographic concentration risk	Mar. 30, 2012 Japan Revenue Geographic concentration risk	Mar. 29, 2013 Japan Revenue Geographic concentration risk	Mar. 30, 2012 Japan Revenue Geographic concentration risk
Concentration risk:
Number of customers meeting concentration risk benchmark				1	1		2	2	1	1
Concentration risk percentage	14.00%	26.00%	18.00%	15.00%		28.00%	13.00%	13.00%	16.00%		29.00%	18.00%	14.00%	19.00%
International sales to single foreign countries											$ 66.7	$ 35.7	$ 83.7	$ 111.0