CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - USD ($) $ in Thousands	Common Shares	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Loss	Non-Controlling Interests	Total
Balance at Apr. 28, 2018	$ 46,788	$ 298,948	$ 291,644	$ (25,199)	$ 13,035	$ 625,216
Increase (Decrease) in Stockholders' Equity
Net income			18,303		648	18,951
Other comprehensive loss				(2,737)	(1,228)	(3,965)
Stock issued for stock and employee benefit plans, net of cancellations and withholding tax	160	(42)	(2,127)			(2,009)
Purchases of 257 shares and 391 shares of common stock	(257)	(176)	(7,511)			(7,944)
Stock option and restricted stock expense		2,040				2,040
Cumulative effect adjustment for leases, net of tax (1)				(1,637)
Cumulative effect adjustment for investments, net of tax | ASU 2016-01 - Investments			1,637	(1,637)
Dividends declared and paid			(5,625)			(5,625)
Balance at Jul. 28, 2018	46,691	300,770	296,321	(29,573)	12,455	626,664
Balance at Apr. 27, 2019	46,955	313,168	325,847	(3,462)	14,468	696,976
Increase (Decrease) in Stockholders' Equity
Net income			18,069		(81)	17,988
Other comprehensive loss				281	486	767
Stock issued for stock and employee benefit plans, net of cancellations and withholding tax	126	126	(1,669)			(1,417)
Purchases of 257 shares and 391 shares of common stock	(391)	(3,762)	(8,160)			(12,313)
Stock option and restricted stock expense		1,675				1,675
Cumulative effect adjustment for leases, net of tax (1) | ASU 2016-02 - Lease			574			574
Cumulative effect adjustment for leases, net of tax (1)				(547)
Reclassification of certain income tax effects (2) | ASU 2018-02			547	(547)
Dividends declared and paid			(6,112)			(6,112)
Balance at Jul. 27, 2019	$ 46,690	$ 311,207	$ 329,096	$ (3,728)	$ 14,873	$ 698,138