CONSOLIDATED STATEMENT OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 25, 2020	Jan. 26, 2019	Jan. 25, 2020	Jan. 26, 2019
Income Statement [Abstract]
Sales	$ 475,856	$ 467,582	$ 1,336,701	$ 1,291,610
Cost of sales	276,218	277,712	786,962	778,813
Gross profit	199,638	189,870	549,739	512,797
Selling, general and administrative expense	147,325	149,027	444,403	420,294
Operating income	52,313	40,843	105,336	92,503
Interest expense	(265)	(538)	(891)	(1,143)
Interest income	844	540	2,093	1,534
Other expense, net	(5,998)	(941)	(5,390)	(2,046)
Income before income taxes	46,894	39,904	101,148	90,848
Income tax expense	12,178	10,730	25,540	22,374
Net income	34,716	29,174	75,608	68,474
Net income attributable to noncontrolling interests	(204)	(443)	(434)	(1,428)
Net income attributable to La-Z-Boy Incorporated	$ 34,512	$ 28,731	$ 75,174	$ 67,046
Basic weighted average common shares (in shares)	46,262	46,820	46,545	46,808
Basic net income attributable to La-Z-Boy Incorporated per share (in dollars per share)	$ 0.75	$ 0.61	$ 1.61	$ 1.43
Diluted weighted average common shares (in shares)	46,584	47,091	46,867	47,212
Diluted net income attributable to La-Z-Boy Incorporated per share (in dollars per share)	$ 0.74	$ 0.61	$ 1.60	$ 1.42