Segment Information (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 27, 2020 USD ($)	Mar. 28, 2020 USD ($)	Dec. 28, 2019 USD ($)	Sep. 28, 2019 USD ($)	Jun. 29, 2019 USD ($)	Mar. 30, 2019 USD ($)	Dec. 29, 2018 USD ($)	Sep. 29, 2018 USD ($)	Jun. 27, 2020 USD ($) customers	Jun. 29, 2019 USD ($)	Jun. 30, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | customers									1
Revenues	$ 545,369	$ 561,916	$ 551,070	$ 533,040	$ 556,545	$ 542,383	$ 576,906	$ 638,495	$ 2,191,395	$ 2,314,329	$ 2,480,066
Long-Lived Assets	550,406				577,722				550,406	577,722
United States [Member]
Segment Reporting Information [Line Items]
Revenues									237,579	257,350	306,453
Long-Lived Assets	362,093				379,308				362,093	379,308
CHINA [Member]
Segment Reporting Information [Line Items]
Revenues									813,227	812,686	885,319
Rest of Asia [Member]
Segment Reporting Information [Line Items]
Revenues									698,175	756,928	786,814
Europe [Member]
Segment Reporting Information [Line Items]
Revenues									387,368	428,750	440,658
Rest of World [Member]
Segment Reporting Information [Line Items]
Revenues									55,046	58,615	$ 60,822
Long-Lived Assets	99,653				95,780				99,653	95,780
Philippines [Member]
Segment Reporting Information [Line Items]
Long-Lived Assets	$ 88,660				$ 102,634				$ 88,660	$ 102,634