Business Segment Information - Reconciliations of Segment Gross Profit to Consolidated Income (loss) Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 29, 2019	Dec. 30, 2018	Dec. 29, 2019	Dec. 30, 2018	Dec. 30, 2018
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	$ 15,665	$ 14,156	$ 33,108	$ 34,175
Selling, general and administrative expenses	12,508	14,822	23,488	29,233
(Benefit) provision for bad debts	(258)	32	(249)	163
Other operating expense (income), net	854	99	962	(141)
Operating income (loss)	2,561	(797)	8,907	4,920
Interest income	(212)	(152)	(422)	(299)
Interest expense	1,101	1,355	2,358	2,822	$ 2,822
Loss on extinguishment of debt		131		131
Equity in loss (earnings) of unconsolidated affiliates	756	(1,014)	1,622	(1,253)
Income (loss) before income taxes	916	(1,117)	5,349	3,519
Polyester [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	6,660	3,312	14,455	11,113
Nylon [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	46	2,032	1,224	4,176
Brazil [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	3,430	4,409	7,589	10,827
Asia [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	5,517	4,324	9,799	7,856
Other Segments [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	$ 12	$ 79	$ 41	$ 203

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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