Goodwill and Intangible Assets, Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 25, 2017	Mar. 31, 2018	Mar. 25, 2017	Jun. 24, 2017
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Original Cost	$ 607,819		$ 607,819		$ 578,519
Accumulated Amortization	525,581		525,581		487,652
Net	82,238		82,238		90,867
Intangible Assets, Gross	616,429		616,429		578,519
Total purchased intangible assets	90,848		90,848		90,867
Cost of goods sold, amortization	12,101	$ 11,064	34,305	$ 35,420
Amortization of Intangible Assets	876	2,348	3,623	7,139
Intangible Asset Amortization Expense	12,977	$ 13,412	37,928	$ 42,559
Future amortization expense [Abstract]
Remaining three months of 2017	12,395		12,395
2019	23,348		23,348
2020	13,692		13,692
2021	11,992		11,992
2022	6,313		6,313
Thereafter	14,498		14,498
Net	82,238		82,238		90,867
Intellectual Property [Member]
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Original Cost	479,645		479,645		451,885
Accumulated Amortization	412,111		412,111		377,806
Net	67,534		67,534		74,079
Future amortization expense [Abstract]
Net	67,534		67,534		74,079
Customer relationships [Member]
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Original Cost	116,334		116,334		115,634
Accumulated Amortization	102,596		102,596		99,812
Net	13,738		13,738		15,822
Future amortization expense [Abstract]
Net	13,738		13,738		15,822
Tradename [Member]
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Original Cost	9,340		9,340		8,500
Accumulated Amortization	8,535		8,535		8,086
Net	805		805		414
Future amortization expense [Abstract]
Net	805		$ 805		414
Patents [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Amortizable intangible assets, useful life, minimum (in years)			5 years
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Original Cost	2,500		$ 2,500		2,500
Accumulated Amortization	2,339		2,339		1,948
Net	161		161		552
Future amortization expense [Abstract]
Net	161		161		552
In Process Research and Development [Member]
Intangible Assets, Net (Excluding Goodwill) [Abstract]
IPR&D	$ 8,610		$ 8,610		$ 0