Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jul. 25, 2015	Jul. 26, 2014
Numerator (basic and diluted):
Net income attributable to La-Z-Boy Incorporated	$ 13,676	$ 13,081
Income allocated to participating securities, basic	(78)	(81)
Income allocated to participating securities, diluted	(78)	(81)
Net income available to common shareholders, basic	13,598	13,000
Net income available to common shareholders, diluted	$ 13,598	$ 13,000
Denominator
Basic weighted average common shares outstanding (in shares)	50,583	52,191
Add:
Contingent common shares	119	116
Stock option dilution	341	320
Diluted weighted average common shares outstanding (in shares)	51,043	52,627
Outstanding options
Anti-dilutive options
Outstanding options excluded from diluted share calculation (in shares)	400
Weighted average exercise price of options excluded from diluted share calculation (in dollars per share)	$ 26.69