Business Segment Information - Reconciliations of Segment Gross Profit to Consolidated Income Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 26, 2021	Dec. 27, 2020	Dec. 26, 2021	Dec. 27, 2020
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	$ 16,890	$ 25,934	$ 42,987	$ 40,495
Selling, general and administrative expenses	11,966	12,625	24,636	23,989
Benefit for bad debts	(240)	(259)	(320)	(1,146)
Other operating expense, net	573	476	829	1,654
Operating income	4,591	13,092	17,842	15,998
Interest income	(194)	(187)	(452)	(312)
Interest expense	735	833	1,431	1,704
Equity in earnings of unconsolidated affiliates	(64)	(130)	(344)	(223)
Income before income taxes	4,114	12,576	17,207	14,829
Polyester [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	440	10,895	8,734	15,527
Nylon [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	186	395	912	1,060
Brazil [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	7,526	7,977	17,466	12,590
Asia [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	8,511	6,528	15,482	11,106
All Other [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	$ 227	$ 139	$ 393	$ 212

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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