Shareholders' Equity - Summary of Activity Impacting Shareholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 28, 2021	Mar. 29, 2020	Mar. 28, 2021	Mar. 29, 2020
Summary of activity impacting shareholders' equity
Beginning Balance	$ 201,473	$ 188,849	$ 175,441	$ 187,816
Net income	5,910	4,913	25,556	6,498
Dividend Declared		(525)		(1,572)
Dividend Declared – Non-controlling Interests ofSubsidiaries			(490)	(980)
Translation Adjustments	(697)	(6,245)	5,419	(6,059)
Stock Based Compensation	193	165	775	789
Pension and Postretirement Adjustment, Net of Tax	69	74	208	220
Stock Option Exercises	526		526	478
Employee Stock Purchases	20	24	59	65
Ending Balance	207,494	187,255	207,494	187,255
Common Stock
Summary of activity impacting shareholders' equity
Beginning Balance	74	74	74	73
Stock Option Exercises				1
Ending Balance	74	74	74	74
Capital in Excess of Par Value
Summary of activity impacting shareholders' equity
Beginning Balance	98,571	97,601	97,977	96,491
Stock Based Compensation	193	165	775	789
Stock Option Exercises	526		526	477
Employee Stock Purchases	13	7	25	16
Ending Balance	99,303	97,773	99,303	97,773
Retained Earnings
Summary of activity impacting shareholders' equity
Beginning Balance	227,061	219,973	211,940	221,117
Net income	4,485	2,994	19,606	2,897
Dividend Declared		(525)		(1,572)
Ending Balance	231,546	222,442	231,546	222,442
Accumulated Other Comprehensive Loss
Summary of activity impacting shareholders' equity
Beginning Balance	(17,492)	(18,486)	(22,113)	(18,568)
Translation Adjustments	(288)	(3,858)	4,194	(3,922)
Pension and Postretirement Adjustment, Net of Tax	69	74	208	220
Ending Balance	(17,711)	(22,270)	(17,711)	(22,270)
Treasury Stock
Summary of activity impacting shareholders' equity
Beginning Balance	(135,629)	(135,693)	(135,656)	(135,725)
Employee Stock Purchases	7	17	34	49
Ending Balance	(135,622)	(135,676)	(135,622)	(135,676)
Non-Controlling Interest
Summary of activity impacting shareholders' equity
Beginning Balance	28,888	25,380	23,219	24,428
Net income	1,425	1,919	5,950	3,601
Dividend Declared – Non-controlling Interests ofSubsidiaries			(490)	(980)
Translation Adjustments	(409)	(2,387)	1,225	(2,137)
Ending Balance	$ 29,904	$ 24,912	$ 29,904	$ 24,912