Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 24, 2015	Oct. 25, 2014	Oct. 24, 2015	Oct. 25, 2014
Activity in accumulated other comprehensive loss
Balance			$ 524,146
Balance	$ 534,053		534,053
Components of non-controlling interest
Balance as of the beginning of the period	8,770	$ 7,909	8,954
Net income (loss)	707	445	1,154	$ 409
Other comprehensive income (loss)	(159)	(135)	(790)	(22)
Balance as of the end of the period	9,318	8,219	9,318	8,219
Accumulated Other Comprehensive Loss
Activity in accumulated other comprehensive loss
Balance	(34,339)	(30,215)	(32,139)	(31,380)
Changes before reclassifications	(608)	(1,052)	(3,884)	(138)
Amounts reclassified to net income	1,439	733	2,524	1,446
Tax effect	(421)	(10)	(430)	(472)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	410	(329)	(1,790)	836
Balance	(33,929)	(30,544)	(33,929)	(30,544)
Translation adjustment
Activity in accumulated other comprehensive loss
Balance	(697)	2,870	1,517	2,455
Changes before reclassifications	(274)	(347)	(2,488)	68
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	(274)	(347)	(2,488)	68
Balance	(971)	2,523	(971)	2,523
Change in fair value of cash flow hedge
Activity in accumulated other comprehensive loss
Balance	(757)	52	(560)	(53)
Changes before reclassifications	(269)	(532)	(1,055)	(380)
Amounts reclassified to net income	645	40	1,112	58
Tax effect	(144)	187	(22)	122
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	232	(305)	35	(200)
Balance	(525)	(253)	(525)	(253)
Unrealized gain on marketable securities
Activity in accumulated other comprehensive loss
Balance	1,328	1,309	1,605	1,098
Changes before reclassifications	(65)	(173)	(341)	174
Amounts reclassified to net income	6	(9)	(165)	(15)
Tax effect	23	70	193	(60)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	(36)	(112)	(313)	99
Balance	1,292	1,197	1,292	1,197
Net pension amortization and net actuarial loss
Activity in accumulated other comprehensive loss
Balance	(34,213)	(34,446)	(34,701)	(34,880)
Amounts reclassified to net income	788	702	1,577	1,403
Tax effect	(300)	(267)	(601)	(534)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	488	435	976	869
Balance	$ (33,725)	$ (34,011)	$ (33,725)	$ (34,011)