CONSOLIDATED STATEMENTS OF SHAREHOLDER'S EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive (Loss) Income
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balances (Shares)		10,760
Balances, Period Start at Jun. 29, 2019	$ 114,459	$ 46,680	$ 65,353	$ 2,426
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock appreciation rights (Shares)		0
Share-based compensation expense	74	$ 74
Net income	1,552		1,552
Unrealized gain (loss) on hedging instruments, net	(947)			(947)
Balances, Period End at Sep. 28, 2019	115,138	$ 46,754	66,905	1,479
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balances (Shares)		10,760
Balances (Shares)		10,760
Balances, Period Start at Jun. 27, 2020	115,557	$ 46,946	70,111	(1,500)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock appreciation rights (Shares)		0
Share-based compensation expense	63	$ 63
Net income	1,719		1,719
Unrealized gain (loss) on hedging instruments, net	1,268			1,268
Balances, Period End at Sep. 26, 2020	$ 118,607	$ 47,009	$ 71,830	$ (232)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balances (Shares)		10,760