Acquisitions - Narrative (Details) - USD ($) $ in Thousands					12 Months Ended
	May 28, 2021	May 27, 2021	Dec. 30, 2020	Sep. 23, 2019	Jul. 02, 2021	Jul. 03, 2020
Business Acquisition [Line Items]
Goodwill					$ 804,906	$ 614,076
Customer Relationships
Business Acquisition [Line Items]
Acquired intangible assets, estimated useful lives					12 years	11 years 4 months 24 days
American Panel Corporation
Business Acquisition [Line Items]
Goodwill				$ 53,022
Total purchase price				100,000
Estimated fair value of identifiable intangible assets				33,200
Goodwill acquired, tax deductible amount				$ 48,258
American Panel Corporation | Customer Relationships
Business Acquisition [Line Items]
Acquired intangible assets, estimated useful lives				11 years
Estimated fair value of identifiable intangible assets				$ 20,600
American Panel Corporation | Developed Technology
Business Acquisition [Line Items]
Acquired intangible assets, estimated useful lives				11 years
Estimated fair value of identifiable intangible assets				$ 10,400
American Panel Corporation | Order or Production Backlog
Business Acquisition [Line Items]
Acquired intangible assets, estimated useful lives				2 years
Estimated fair value of identifiable intangible assets				$ 2,200
Physical Optics Corporation
Business Acquisition [Line Items]
Goodwill			$ 155,259
Business Acquisition, Pro Forma Revenue					$ 76,370
Business Acquisition, Pro Forma Net Income (Loss), Before Tax					$ (2,768)
Total purchase price			310,000
Estimated fair value of identifiable intangible assets			$ 116,000
Business Combination, Consideration Transferred, Other	$ 2,641
Physical Optics Corporation | Customer Relationships
Business Acquisition [Line Items]
Acquired intangible assets, estimated useful lives			11 years		11 years 6 months
Finite-lived Intangible Assets Acquired			$ 83,000
Physical Optics Corporation | Developed Technology
Business Acquisition [Line Items]
Acquired intangible assets, estimated useful lives			9 years
Finite-lived Intangible Assets Acquired			$ 25,000
Physical Optics Corporation | Order or Production Backlog
Business Acquisition [Line Items]
Acquired intangible assets, estimated useful lives					1 year
Estimated fair value of identifiable intangible assets			$ 8,000
Pentek
Business Acquisition [Line Items]
Acquired intangible assets, estimated useful lives				15 years
Goodwill		$ 35,225
Total purchase price		65,000
Estimated fair value of identifiable intangible assets		$ 24,110
Goodwill acquired, tax deductible amount					$ 30,101
Pentek | Customer Relationships
Business Acquisition [Line Items]
Acquired intangible assets, estimated useful lives		21 years			21 years
Finite-lived Intangible Assets Acquired		$ 15,560
Pentek | Developed Technology
Business Acquisition [Line Items]
Acquired intangible assets, estimated useful lives		7 years
Finite-lived Intangible Assets Acquired		$ 6,340
Pentek | Order or Production Backlog
Business Acquisition [Line Items]
Acquired intangible assets, estimated useful lives		1 year			1 year
Estimated fair value of identifiable intangible assets		$ 2,210