Earnings per Share - Reconciliation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Apr. 24, 2021	Apr. 25, 2020	Apr. 27, 2019
Numerator (basic and diluted):
Net income attributable to La-Z-Boy Incorporated	$ 106,461	$ 77,469	$ 68,574
Income allocated to participating securities	(46)	(117)	(225)
Net income available to common Shareholders	$ 106,415	$ 77,352	$ 68,349
Denominator:
Basic weighted average common shares outstanding (in shares)	45,983	46,399	46,828
Add:
Contingent common shares (in shares)	171	211	242
Stock option dilution (in shares)	213	126	263
Diluted weighted average common shares outstanding (in shares)	46,367	46,736	47,333
Earnings per Share:
Basic (in dollars per share)	$ 2.31	$ 1.67	$ 1.46
Diluted (in dollars per share)	$ 2.30	$ 1.66	$ 1.44