Business Segment Information - Geographic Information for Net Sales (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2021	Jun. 28, 2020	Jun. 30, 2019
Revenues From External Customers And Long Lived Assets [Line Items]
Geographic net sales	$ 667,592	$ 606,509	$ 708,804
U.S. [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Geographic net sales	341,897	342,350	426,725
BRAZIL [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Geographic net sales	95,976	73,339	102,877
CHINA
Revenues From External Customers And Long Lived Assets [Line Items]
Geographic net sales	171,261	148,923	125,667
All Other Foreign Countries [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Geographic net sales	58,458	41,897	53,535
Export Sales from US Operations [Member] | U.S. [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Geographic net sales	$ 59,055	$ 64,305	$ 84,707