CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - USD ($) $ in Thousands	Common Shares	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Non-Controlling Interests	Total
Balance at Apr. 29, 2017	$ 48,472	$ 289,632	$ 284,698	$ (32,883)	$ 11,186	$ 601,105
Increase (Decrease) in Stockholders' Equity
Net income			80,866		729	81,595
Other comprehensive income (loss)				7,684	1,120	8,804
Stock issued for stock and employee benefit plans, net of cancellations and withholding tax	311	4,046	(1,380)			2,977
Purchase of 1,995 shares and 378 shares of common stock for the year-ended April 28, 2018 and six months ended Oct 27, 2018 respectively.	(1,995)	(4,204)	(50,531)			(56,730)
Stock option and restricted stock expense		9,474				9,474
Dividends paid			(22,009)			(22,009)
Balance at Apr. 28, 2018	46,788	298,948	291,644	(25,199)	13,035	625,216
Increase (Decrease) in Stockholders' Equity
Net income			38,315		985	39,300
Other comprehensive income (loss)				(1,493)	(609)	(2,102)
Stock issued for stock and employee benefit plans, net of cancellations and withholding tax	495	5,706	(2,162)			4,039
Purchase of 1,995 shares and 378 shares of common stock for the year-ended April 28, 2018 and six months ended Oct 27, 2018 respectively.	(378)	(2,632)	(8,600)			(11,610)
Stock option and restricted stock expense		5,679				5,679
Cumulative effect adjustment for investments, net of tax | ASU 2016-01 - Investments			1,637	(1,637)
Dividends paid			(11,278)			(11,278)
Dividends declared not paid			(13)			(13)
Balance at Oct. 27, 2018	$ 46,905	$ 307,701	$ 309,543	$ (28,329)	$ 13,411	$ 649,231