Goodwill and Intangible Assets, Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 30, 2018
Finite and Indefinite Lived Intangible Assets [Line Items]
IPR&D Completed & Reclassed	$ 2,800
Gross Intangible Assets	666,770	$ 619,115
Cost, Depreciation, Amortization and Depletion	12,860	21,689	$ 46,063
Finite-Lived Intangible Assets, Accumulated Amortization	578,811	562,873
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Original Cost	657,575	616,325
Amortization of Intangible Assets	3,078	3,041	4,467
Amortization	15,938	24,730	$ 50,530
Future amortization expense [Abstract]
2017	19,279
2018	13,454
2019	12,970
2020	9,995
2021	9,716
Thereafter	13,350
Net	78,764	53,452
Intangible assets, net	87,959	56,242
Order or Production Backlog [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	25	0
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Original Cost	170	0
Future amortization expense [Abstract]
Net	145	0
Intellectual property [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	458,418	445,558
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Original Cost	525,196	487,346
Future amortization expense [Abstract]
Net	66,778	41,788
Customer relationships [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	108,603	105,901
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Original Cost	118,335	116,505
Future amortization expense [Abstract]
Net	9,732	10,604
Trade Names [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	9,265	8,914
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Original Cost	11,374	9,974
Future amortization expense [Abstract]
Net	$ 2,109	1,060
Patents [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Definite lived intangible assets, useful life, minimum	5 years
Minimum [Member] | Intellectual property [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Definite lived intangible assets, useful life, minimum	1 year
Minimum [Member] | Customer relationships [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Definite lived intangible assets, useful life, minimum	3 years
Minimum [Member] | Trade Names [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Definite lived intangible assets, useful life, minimum	1 year
Maximum [Member] | Intellectual property [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Definite lived intangible assets, useful life, minimum	10 years
Maximum [Member] | Customer relationships [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Definite lived intangible assets, useful life, minimum	10 years
Maximum [Member] | Trade Names [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Definite lived intangible assets, useful life, minimum	4 years
Patents [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	$ 2,500	2,500
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Original Cost	2,500	2,500
Future amortization expense [Abstract]
Net	$ 0	$ 0