Accumulated Other Comprehensive Loss (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Oct. 26, 2013
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	$ (35,496)
Changes before reclassifications	(389)
Amounts reclassified to net income	1,772
Tax effect	(864)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	519
Balance	(34,977)
Unrealized gain on marketable securities [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	474
Changes before reclassifications	1,030
Amounts reclassified to net income	20
Tax effect	(405)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	645
Balance	1,119
Translation adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	4,779
Changes before reclassifications	(857)
Amounts reclassified to net income	0
Tax effect	0
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	(857)
Balance	3,922
Change in fair value of cash flow hedge [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	231
Changes before reclassifications	(562)
Amounts reclassified to net income	(31)
Tax effect	229
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	(364)
Balance	(133)
Net pension amortization and net actuarial loss [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Balance	(40,980)
Changes before reclassifications	0
Amounts reclassified to net income	1,783
Tax effect	(688)
Other comprehensive income (loss) attributable to La-Z-Boy Incorporated	1,095
Balance	$ (39,885)