CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - USD ($) shares in Thousands, $ in Thousands		Total	Common Shares	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Loss	Non-Controlling Interests
Beginning balance at Apr. 25, 2020		$ 716,306	$ 45,857	$ 318,215	$ 343,633	$ (6,952)	$ 15,553
Increase (Decrease) in Stockholders' Equity
Net income (loss)		4,679			4,798		(119)
Other comprehensive income (loss)		2,218				1,720	498
Stock issued for stock and employee benefit plans, net of cancellations and withholding tax		(1,749)	132	(195)	(1,686)
Stock option and restricted stock expense		2,047		2,047
Dividends declared and paid	[1]	(8,502)			5		(8,507)
Ending balance at Jul. 25, 2020		714,999	45,989	320,067	346,750	(5,232)	7,425
Beginning balance at Apr. 25, 2020		716,306	45,857	318,215	343,633	(6,952)	15,553
Increase (Decrease) in Stockholders' Equity
Net income (loss)		39,983					250
Other comprehensive income (loss)		3,572					577
Ending balance at Oct. 24, 2020		754,649	46,113	326,182	378,438	(3,957)	7,873
Beginning balance at Jul. 25, 2020		714,999	45,989	320,067	346,750	(5,232)	7,425
Increase (Decrease) in Stockholders' Equity
Net income (loss)		35,304			34,935		369
Other comprehensive income (loss)		1,354				1,275	79
Stock issued for stock and employee benefit plans, net of cancellations and withholding tax		2,113	124	1,995	(6)
Stock option and restricted stock expense		4,120		4,120
Dividends declared and paid		(3,221)			(3,221)
Dividends declared not paid		(20)			(20)
Ending balance at Oct. 24, 2020		754,649	46,113	326,182	378,438	(3,957)	7,873
Beginning balance at Apr. 24, 2021		782,146	45,361	330,648	399,010	(1,521)	8,648
Increase (Decrease) in Stockholders' Equity
Net income (loss)		25,266			24,566		700
Other comprehensive income (loss)		(732)				(302)	(430)
Stock issued for stock and employee benefit plans, net of cancellations and withholding tax		(2,228)	$ 181	291	(2,700)
Shares purchased (in shares)			(919)
Repurchases of shares of common stock		(35,640)	$ (919)	(530)	(34,191)
Stock option and restricted stock expense		2,460		2,460
Dividends declared and paid		(6,777)			(6,777)
Dividends declared not paid		(46)			(46)
Ending balance at Jul. 24, 2021		764,449	44,623	332,869	379,862	(1,823)	8,918
Beginning balance at Apr. 24, 2021		782,146	45,361	330,648	399,010	(1,521)	8,648
Increase (Decrease) in Stockholders' Equity
Net income (loss)		65,624					1,542
Other comprehensive income (loss)		(1,182)					(550)
Ending balance at Oct. 23, 2021		785,682	44,200	336,920	398,335	(2,153)	8,380
Beginning balance at Jul. 24, 2021		764,449	44,623	332,869	379,862	(1,823)	8,918
Increase (Decrease) in Stockholders' Equity
Net income (loss)		40,358			39,516		842
Other comprehensive income (loss)		(450)				(330)	(120)
Stock issued for stock and employee benefit plans, net of cancellations and withholding tax		358	$ 11	353	(6)
Shares purchased (in shares)			(434)
Repurchases of shares of common stock		(15,000)	$ (434)	(196)	(14,370)
Stock option and restricted stock expense		3,894		3,894
Dividends declared and paid	[1]	(7,881)			(6,621)		(1,260)
Dividends declared not paid		(46)			(46)
Ending balance at Oct. 23, 2021		$ 785,682	$ 44,200	$ 336,920	$ 398,335	$ (2,153)	$ 8,380

[1] No dividends to shareholders were declared or paid during the first quarter of fiscal 2021; amount includes dividends forfeited from restricted stock awards previously granted. Non-controlling interests include dividends paid to joint venture minority partners resulting from the repatriation of dividends from our foreign earnings that we no longer consider permanently reinvested.