Business Segments (Details 1) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 29, 2012	Jul. 01, 2011	Jul. 02, 2010
Revenue and income from continuing operations before income taxes by segment
Revenue	$ 5,451.3	$ 5,418.4	$ 4,725.0
Unallocated corporate expense	(81.8)	(87.8)	(90.4)
Nonoperating Income (Expense)	11.5	(1.9)	(1.9)
Net interest expense	(110.7)	(87.6)	(70.6)
Income from continuing operations before income taxes	841.9	905.5	876.4
RF Communications [Member]
Revenue and income from continuing operations before income taxes by segment
Revenue	2,144.1	2,289.2	2,067.2
Segment operating income (loss)	703.7	787.0	707.4
Integrated Network Solutions [Member]
Revenue and income from continuing operations before income taxes by segment
Revenue	1,571.2	1,445.3	999.5
Segment operating income (loss)	69.9	90.7	119.9
Government Communications Systems [Member]
Revenue and income from continuing operations before income taxes by segment
Revenue	1,833.8	1,776.5	1,747.3
Segment operating income (loss)	256.2	227.0	227.4
Corporate Eliminations [Member]
Revenue and income from continuing operations before income taxes by segment
Revenue	(97.8)	(92.6)	(89.0)
Corporate eliminations, operating income	$ (6.9)	$ (21.9)	$ (15.4)