Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 27, 2024	Apr. 29, 2023	Apr. 30, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 952,097	$ 819,622	$ 782,146
Changes before reclassifications	(531)	161	(4,410)
Amounts reclassified to net income	455	424	365
Tax effect	(266)	(316)	(231)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	(342)	269	(4,276)
Ending balance	1,013,360	952,097	819,622
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	952,097	819,622	782,146
Net income	124,636	151,941	152,328
Other comprehensive income (loss)	(1,145)	356	(5,078)
Ending balance	1,013,360	952,097	819,622
Translation adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(2,652)	(1,961)	3,041
Changes before reclassifications	(1,152)	(691)	(5,002)
Amounts reclassified to net income	0	0	0
Tax effect	0	0	0
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	(1,152)	(691)	(5,002)
Ending balance	(3,804)	(2,652)	(1,961)
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	(2,652)	(1,961)	3,041
Ending balance	(3,804)	(2,652)	(1,961)
Unrealized gain (loss) on marketable securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(145)	(298)	370
Changes before reclassifications	189	(27)	(947)
Amounts reclassified to net income	331	231	59
Tax effect	(129)	(51)	220
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	391	153	(668)
Ending balance	246	(145)	(298)
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	(145)	(298)	370
Ending balance	246	(145)	(298)
Net pension amortization and net actuarial loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(2,731)	(3,538)	(4,932)
Changes before reclassifications	432	879	1,539
Amounts reclassified to net income	124	193	306
Tax effect	(137)	(265)	(451)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	419	807	1,394
Ending balance	(2,312)	(2,731)	(3,538)
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	(2,731)	(3,538)	(4,932)
Ending balance	(2,312)	(2,731)	(3,538)
Accumulated other comprehensive income (loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(5,528)	(5,797)	(1,521)
Ending balance	(5,870)	(5,528)	(5,797)
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	(5,528)	(5,797)	(1,521)
Ending balance	(5,870)	(5,528)	(5,797)
Non-Controlling Interests
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	10,261	8,897	8,648
Ending balance	10,296	10,261	8,897
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	10,261	8,897	8,648
Net income	2,010	1,277	2,311
Other comprehensive income (loss)	(803)	87	(802)
Dividends distributed to joint venture minority partners	(1,172)	0	(1,260)
Ending balance	$ 10,296	$ 10,261	$ 8,897