Goodwill (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 30, 2012	Jul. 03, 2009	Mar. 30, 2012
Changes in the carrying amount of goodwill
Balance at July 1, 2011 - net of impairment losses			$ 2,376.8
Impairment of goodwill	(379.0)		(379.0)
Currency translation adjustments			(20.6)
Other(including true-ups of previously estimated purchase price allocations			13.4
Balance at March 30, 2012 - before impairment losses	2,530.5		2,530.5
Accumulated impairment losses			(539.9)
Balance at March 30, 2012 - net of impairment losses	1,990.6		1,990.6
Goodwill Details (Textuals) [Abstract]
Accumulated Impairment Losses			539.9
R F Communications [Member]
Changes in the carrying amount of goodwill
Balance at July 1, 2011 - net of impairment losses			424.4
Impairment of goodwill			0
Currency translation adjustments			(0.2)
Other(including true-ups of previously estimated purchase price allocations			0
Balance at March 30, 2012 - before impairment losses	424.2		424.2
Accumulated impairment losses			0
Balance at March 30, 2012 - net of impairment losses	424.2		424.2
Goodwill Details (Textuals) [Abstract]
Accumulated Impairment Losses			0
Integrated Network Solutions [Member]
Changes in the carrying amount of goodwill
Balance at July 1, 2011 - net of impairment losses			1,659.5
Impairment of goodwill			(379.0)
Currency translation adjustments			(20.4)
Other(including true-ups of previously estimated purchase price allocations			13.4
Balance at March 30, 2012 - before impairment losses	1,813.4		1,813.4
Accumulated impairment losses	(379.0)	(160.9)	(539.9)
Balance at March 30, 2012 - net of impairment losses	1,273.5		1,273.5
Goodwill Details (Textuals) [Abstract]
Accumulated Impairment Losses	379.0	160.9	539.9
Government Communications Systems [Member]
Changes in the carrying amount of goodwill
Balance at July 1, 2011 - net of impairment losses			292.9
Impairment of goodwill			0
Currency translation adjustments			0
Other(including true-ups of previously estimated purchase price allocations			0
Balance at March 30, 2012 - before impairment losses	292.9		292.9
Accumulated impairment losses			0
Balance at March 30, 2012 - net of impairment losses	292.9		292.9
Goodwill Details (Textuals) [Abstract]
Accumulated Impairment Losses			$ 0