| Basic And Diluted Net Income Per Common Share Under The Two-Class Method |
| | | | | | | | | | | | | | | Thirteen Weeks Ended | | Thirty-Nine Weeks Ended | | | May 30, | | June 1, | | May 30, | | June 1, | | | 2020 | | 2019 | | 2020 | | 2019 | Net income attributable to MSC Industrial as reported | | $ | 77,703 | | $ | 79,601 | | $ | 198,621 | | $ | 222,257 | Less: Distributed net income available to participating securities | | | — | | | (10) | | | (10) | | | (34) | Less: Undistributed net income available to participating securities | | | — | | | (19) | | | — | | | (66) | Numerator for basic net income per share: | | | | | | | | | | | | | Undistributed and distributed net income available to common shareholders | | $ | 77,703 | | $ | 79,572 | | $ | 198,611 | | $ | 222,157 | Add: Undistributed net income allocated to participating securities | | | — | | | 19 | | | — | | | 66 | Less: Undistributed net income reallocated to participating securities | | | — | | | (19) | | | — | | | (66) | | | | | | | | | | | | | | Numerator for diluted net income per share: | | | | | | | | | | | | | Undistributed and distributed net income available to common shareholders | | $ | 77,703 | | $ | 79,572 | | $ | 198,611 | | $ | 222,157 | Denominator: | | | | | | | | | | | | | Weighted average shares outstanding for basic net income per share | | | 55,563 | | | 55,158 | | | 55,435 | | | 55,266 | Effect of dilutive securities | | | 36 | | | 229 | | | 146 | | | 290 | Weighted average shares outstanding for diluted net income per share | | | 55,599 | | | 55,387 | | | 55,581 | | | 55,556 | Net income per share Two-class method: | | | | | | | | | | | | | Basic | | $ | 1.40 | | $ | 1.44 | | $ | 3.58 | | $ | 4.02 | Diluted | | $ | 1.40 | | $ | 1.44 | | $ | 3.57 | | $ | 4.00 | | | | | | | | | | | | | | Potentially dilutive securities | | | 1,933 | | | 1,093 | | | 1,417 | | | 939 |
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