Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 29, 2023	Apr. 30, 2022	Apr. 24, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 819,622	$ 782,146	$ 716,306
Changes before reclassifications	161	(4,410)	5,264
Amounts reclassified to net income	424	365	338
Tax effect	(316)	(231)	(171)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	269	(4,276)	5,431
Ending balance	952,097	819,622	782,146
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	819,622	782,146	716,306
Net income	151,941	152,328	107,529
Other comprehensive income (loss)	356	(5,078)	5,965
Ending balance	952,097	819,622	782,146
Translation adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1,961)	3,041	(1,891)
Changes before reclassifications	(691)	(5,002)	4,932
Amounts reclassified to net income	0	0	0
Tax effect	0	0	0
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	(691)	(5,002)	4,932
Ending balance	(2,652)	(1,961)	3,041
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	(1,961)	3,041	(1,891)
Ending balance	(2,652)	(1,961)	3,041
Unrealized gain (loss) on marketable securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(298)	370	449
Changes before reclassifications	(27)	(947)	(96)
Amounts reclassified to net income	231	59	(9)
Tax effect	(51)	220	26
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	153	(668)	(79)
Ending balance	(145)	(298)	370
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	(298)	370	449
Ending balance	(145)	(298)	370
Net pension amortization and net actuarial loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(3,538)	(4,932)	(5,510)
Changes before reclassifications	879	1,539	428
Amounts reclassified to net income	193	306	347
Tax effect	(265)	(451)	(197)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	807	1,394	578
Ending balance	(2,731)	(3,538)	(4,932)
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	(3,538)	(4,932)	(5,510)
Ending balance	(2,731)	(3,538)	(4,932)
Accumulated other comprehensive loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(5,797)	(1,521)	(6,952)
Ending balance	(5,528)	(5,797)	(1,521)
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	(5,797)	(1,521)	(6,952)
Ending balance	(5,528)	(5,797)	(1,521)
Non-Controlling Interests
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	8,897	8,648	15,553
Ending balance	10,261	8,897	8,648
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning balance	8,897	8,648	15,553
Net income	1,277	2,311	1,068
Other comprehensive income (loss)	87	(802)	534
Dividends distributed to joint venture minority partners	0	(1,260)	(8,507)
Ending balance	$ 10,261	$ 8,897	$ 8,648