Goodwill and Intangible Assets, Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019	Mar. 31, 2018	Jun. 30, 2018
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Finite-Lived Intangible Assets, Gross	$ 617,825		$ 617,825		$ 613,599
Accumulated Amortization	559,579		559,579		538,143
Net	58,246		58,246		75,456
Intangible Assets, Gross	620,615		620,615		616,389
Total purchased intangible assets	61,036		61,036		78,246
Cost, Amortization	5,368	$ 12,101	19,151	$ 34,305
Intangible asset amortization	756	876	2,285	3,623
Intangible Asset Amortization Expense	6,124	$ 12,977	21,436	$ 37,928
Future amortization expense [Abstract]
Remaining three months of 2017	4,793		4,793
2019	15,068		15,068
2020	13,368		13,368
2021	7,689		7,689
2022	7,205		7,205
Thereafter	10,123		10,123
Net	58,246		58,246		75,456
Intellectual Property [Member]
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Finite-Lived Intangible Assets, Gross	488,846		488,846		485,465
Accumulated Amortization	443,020		443,020		423,869
Net	45,826		45,826		61,596
Future amortization expense [Abstract]
Net	45,826		45,826		61,596
Customer relationships [Member]
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Finite-Lived Intangible Assets, Gross	116,505		116,505		116,294
Accumulated Amortization	105,229		105,229		103,217
Net	11,276		11,276		13,077
Future amortization expense [Abstract]
Net	11,276		11,276		13,077
Tradename [Member]
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Finite-Lived Intangible Assets, Gross	9,974		9,974		9,340
Accumulated Amortization	8,830		8,830		8,588
Net	1,144		1,144		752
Future amortization expense [Abstract]
Net	1,144		1,144		752
Patents [Member]
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Finite-Lived Intangible Assets, Gross	2,500		2,500		2,500
Accumulated Amortization	2,500		2,500		2,469
Net	0		0		31
Future amortization expense [Abstract]
Net	0		0		31
In Process Research and Development [Member]
Intangible Assets, Net (Excluding Goodwill) [Abstract]
IPR&D	$ 2,790		$ 2,790		$ 2,790