CONSOLIDATED STATEMENT OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 23, 2021	Jan. 25, 2020	Jan. 23, 2021	Jan. 25, 2020
Income Statement [Abstract]
Sales	$ 470,196	$ 475,856	$ 1,214,774	$ 1,336,701
Cost of sales	268,944	276,218	696,604	786,962
Gross profit	201,252	199,638	518,170	549,739
Selling, general and administrative expense	166,838	147,325	431,492	444,403
Operating income	34,414	52,313	86,678	105,336
Interest expense	(298)	(265)	(1,103)	(891)
Interest income	285	844	902	2,093
Other income (expense), net	6,532	(5,998)	7,995	(5,390)
Income before income taxes	40,933	46,894	94,472	101,148
Income tax expense	11,344	12,178	24,900	25,540
Net income	29,589	34,716	69,572	75,608
Net income attributable to noncontrolling interests	(357)	(204)	(607)	(434)
Net income attributable to La-Z-Boy Incorporated	$ 29,232	$ 34,512	$ 68,965	$ 75,174
Earnings Per Share, Basic [Abstract]
Basic weighted average common shares (in shares)	46,261	46,262	46,064	46,545
Basic net income attributable to La-Z-Boy Incorporated per share (in dollars per share)	$ 0.63	$ 0.75	$ 1.50	$ 1.61
Earnings Per Share, Diluted [Abstract]
Diluted weighted average common shares (in shares)	46,818	46,584	46,407	46,867
Diluted net income attributable to La-Z-Boy Incorporated per share (in dollars per share)	$ 0.62	$ 0.74	$ 1.49	$ 1.60