v3.5.0.2
Document and Entity Information - shares
3 Months Ended
Jul. 30, 2016
Aug. 16, 2016
Document and Entity Information [Abstract]    
Entity Registrant Name LA-Z-BOY INC  
Entity Central Index Key 0000057131  
Current Fiscal Year End Date --04-29  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   49,169,033
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q1  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jul. 30, 2016