Acquired Developed Technology and Other Intangibles (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Acquired developed technology, customer relationships and other intangibles
Gross carrying amount of finite lived intangibles	$ 778.2
Accumulated Amortization	(607.5)	(615.9)
Net carrying amount of finite lived intangibles	170.7
Net Carrying amount of in-process research and development intangibles	7.1
Gross Carrying Amount	785.3	765.6
Net carrying amount of intangibles	177.8	149.7
Amortization expenses	59.0	76.0	80.3
Estimated future amortization expense
2015	59.6
2016	38.8
2017	35.5
2018	22.6
2019	10.6
Thereafter	3.6
Net carrying amount of intangibles	170.7
NSE Low Speed Wireline Product Line Exit
Acquired developed technology, customer relationships and other intangibles
Amortization expenses		2.2
CCOP CPV Plan (Workforce reduction)
Acquired developed technology, customer relationships and other intangibles
Amortization expenses		2.6
Cost of sales
Acquired developed technology, customer relationships and other intangibles
Amortization expenses	43.2	63.3	58.6
Operating expense
Acquired developed technology, customer relationships and other intangibles
Amortization expenses	15.8	12.7	21.7
Acquired developed technology
Acquired developed technology, customer relationships and other intangibles
Gross carrying amount of finite lived intangibles	548.8	546.8
Accumulated Amortization	(443.1)	(437.4)
Net carrying amount of finite lived intangibles	105.7	109.4
Acquired developed technology | NSE Low Speed Wireline Product Line Exit
Acquired developed technology, customer relationships and other intangibles
Amortization expenses		1.8
Customer relationships
Acquired developed technology, customer relationships and other intangibles
Gross carrying amount of finite lived intangibles	205.2	168.5
Accumulated Amortization	(142.3)	(131.5)
Net carrying amount of finite lived intangibles	62.9	37.0
Other
Acquired developed technology, customer relationships and other intangibles
Gross carrying amount of finite lived intangibles	24.2	50.3
Accumulated Amortization	(22.1)	(47.0)
Net carrying amount of finite lived intangibles	2.1	3.3
Other | NSE Low Speed Wireline Product Line Exit
Acquired developed technology, customer relationships and other intangibles
Amortization expenses		0.4
Other | Hologram Business
Acquired developed technology, customer relationships and other intangibles
Impairment charge			$ 18.8