Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 25, 2015	Jul. 26, 2014
Activity in accumulated other comprehensive loss
Balance	$ (32,139)	$ (31,380)
Changes before reclassifications	(3,276)	914
Amounts reclassified to net income	1,085	713
Tax effect	(9)	(462)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	(2,200)	1,165
Balance	(34,339)	(30,215)
Components of non-controlling interest
Balance as of the beginning of the period	8,954	7,832
Net income (loss)	447	(36)
Other comprehensive income (loss)	(631)	113
Balance as of the end of the period	8,770	7,909
Translation adjustment
Activity in accumulated other comprehensive loss
Balance	1,517	2,455
Changes before reclassifications	(2,214)	415
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	(2,214)	415
Balance	(697)	2,870
Change in fair value of cash flow hedge
Activity in accumulated other comprehensive loss
Balance	(560)	(53)
Changes before reclassifications	(786)	152
Amounts reclassified to net income	467	18
Tax effect	122	(65)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	(197)	105
Balance	(757)	52
Unrealized gain on marketable securities
Activity in accumulated other comprehensive loss
Balance	1,605	1,098
Changes before reclassifications	(276)	347
Amounts reclassified to net income	(171)	(6)
Tax effect	170	(130)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	(277)	211
Balance	1,328	1,309
Net pension amortization and net actuarial loss
Activity in accumulated other comprehensive loss
Balance	(34,701)	(34,880)
Amounts reclassified to net income	789	701
Tax effect	(301)	(267)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	488	434
Balance	$ (34,213)	$ (34,446)