Earnings per Share - Reconciliation (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
Apr. 27, 2019	Apr. 28, 2018	Apr. 29, 2017
Numerator (basic and diluted):
Net income attributable to La-Z-Boy Incorporated	$ 68,574	$ 80,866	$ 85,922
Income allocated to participating securities, basic	(225)	(407)	(422)
Income allocated to participating securities, diluted	(225)	(407)	(422)
Net income available to common shareholders, basic	68,349	80,459	85,500
Net income available to common shareholders, diluted	$ 68,349	$ 80,459	$ 85,500
Denominator:
Basic weighted average common shares outstanding (in shares)	46,828	47,621	48,963
Add:
Contingent common shares (in shares)	242	211	194
Stock option dilution (in shares)	263	303	313
Diluted weighted average common shares outstanding (in shares)	47,333	48,135	49,470

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of contingently issuable shares. Contingently issuable shares are those shares that are issuable for little or no cash contingent on certain conditions being met.

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