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Earnings per Share - Reconciliation (Details) - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Apr. 28, 2018 | Apr. 29, 2017 | Apr. 30, 2016
Numerator (basic and diluted): |  |  |
Net income attributable to La-Z-Boy Incorporated | $ 80,866 | $ 85,922 | $ 79,252
Income allocated to participating securities, basic | (407) | (422) | (401)
Income allocated to participating securities, diluted | (407) | (422) | (401)
Net income available to common shareholders, basic | 80,459 | 85,500 | 78,851
Net income available to common shareholders, diluted | $ 80,459 | $ 85,500 | $ 78,851
Denominator |  |  |
Basic weighted average common shares outstanding (in shares) | 47,621 | 48,963 | 50,194
Add: |  |  |
Contingent common shares (in shares) | 211 | 194 | 238
Stock option dilution (in shares) | 303 | 313 | 333
Diluted weighted average common shares outstanding (in shares) | 48,135 | 49,470 | 50,765

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