Equity (Loss) Earnings of Joint Ventures - Summarized Statements Balance Sheet (Details) - VAST LLC - USD ($) $ in Thousands	Jun. 28, 2020	Jun. 30, 2019
Summarized balance sheets
Cash and cash equivalents	$ 8,549	$ 6,854
Receivables, net	40,983	35,639
Inventories, net	22,285	20,465
Other current assets	17,674	19,701
Total current assets	89,491	82,659
Property, plant and equipment, net	63,574	49,953
Other long-term assets	14,387	16,868
Total assets	167,452	149,480
Current debt	13,072	7,240
Other current liabilities	72,878	63,799
Long-term debt	12,778	5,015
Other long-term liabilities	2,228	2,512
Total liabilities	100,956	78,566
Net assets	66,496	70,914
STRATTEC’s share of VAST LLC net assets	$ 22,165	$ 23,638