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Revenue Recognition - Disaggregated Revenues for UNIFI (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 27, 2020	Sep. 29, 2019
Disaggregation Of Revenue [Line Items]
Net sales	$ 141,505	$ 179,949
Third-Party Manufacturer [Member]
Disaggregation Of Revenue [Line Items]
Net sales	138,841	178,020
Service [Member]
Disaggregation Of Revenue [Line Items]
Net sales	2,664	1,929
REPREVE Fiber [Member]
Disaggregation Of Revenue [Line Items]
Net sales	49,858	56,485
Non-REPREVE Fiber [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ 91,647	$ 123,464

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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