Earnings per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 25, 2014	Oct. 26, 2013	Oct. 25, 2014	Oct. 26, 2013
Numerator (basic and diluted):
Net income attributable to La-Z-Boy Incorporated	$ 19,529	$ 16,744	$ 32,610	$ 26,334
Income allocated to participating securities, basic	(103)	(111)	(187)	(248)
Income allocated to participating securities, diluted	(103)	(111)	(187)	(248)
Net income available to common shareholders, basic	19,426	16,633	32,423	26,086
Net income available to common shareholders, diluted	$ 19,426	$ 16,633	$ 32,423	$ 26,086
Denominator
Basic weighted average common shares outstanding (in shares)	52,279,000	52,537,000	52,235,000	52,440,000
Add:
Contingent common shares	161,000	320,000	132,000	305,000
Stock option dilution	283,000	404,000	295,000	431,000
Diluted weighted average common shares outstanding (in shares)	52,723,000	53,261,000	52,662,000	53,176,000
Equity Option
Anti-dilutive options
Outstanding options excluded from diluted share calculation (in shares)	400,000		400,000
Weighted average exercise price of options excluded from diluted share calculation (in dollars per share)	$ 23.63		$ 23.63