Goodwill (Details) (USD $) In Millions	12 Months Ended
	Jul. 01, 2011	Jul. 02, 2010
Changes in the carrying amount of goodwill
Goodwill, net of impairment losses, Beginning Balance	$ 1,576.2	$ 1,507.1
Goodwill acquired during the period	786.9	43.6
Currency translation adjustments	18.5	22.9
Other (including true-ups of previously estimated purchase price allocations)	(0.2)	2.6
Balance at July 1, 2011 - before impairment losses	2,542.3
Accumulated impairment losses	(160.9)
Goodwill, net of impairment losses, Ending Balance	2,381.4	1,576.2
RF Communication [Member]
Changes in the carrying amount of goodwill
Goodwill, net of impairment losses, Beginning Balance	422.6	411.6
Goodwill acquired during the period		4.1
Currency translation adjustments	1.8	3.9
Other (including true-ups of previously estimated purchase price allocations)		3.0
Balance at July 1, 2011 - before impairment losses	424.4
Goodwill, net of impairment losses, Ending Balance	424.4	422.6
Government Communications Systems [Member]
Changes in the carrying amount of goodwill
Goodwill, net of impairment losses, Beginning Balance	292.1	251.2
Goodwill acquired during the period		39.5
Currency translation adjustments	0.8	1.8
Other (including true-ups of previously estimated purchase price allocations)		(0.4)
Balance at July 1, 2011 - before impairment losses	292.9
Goodwill, net of impairment losses, Ending Balance	292.9	292.1
Integrated Network Solutions [Member]
Changes in the carrying amount of goodwill
Goodwill, net of impairment losses, Beginning Balance	861.5	844.3
Goodwill acquired during the period	786.9
Currency translation adjustments	15.9	17.2
Other (including true-ups of previously estimated purchase price allocations)	(0.2)
Balance at July 1, 2011 - before impairment losses	1,825.0
Accumulated impairment losses	(160.9)
Goodwill, net of impairment losses, Ending Balance	$ 1,664.1	$ 861.5