v3.6.0.2
Document and Entity Information - shares
9 Months Ended
Jan. 28, 2017
Feb. 14, 2017
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   48,816,942
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q3  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jan. 28, 2017