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Net Income per Share (Tables) | 12 Months Ended
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Dec. 26, 2020
Earnings Per Share [Abstract] |
Computation of Earnings Per Share, Basic | The following table sets forth the computation of basic net income per share using the two-class method:
|  | December 26, |  |  | December 28, |  |  | December 29, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
|  | (in thousands, except per share data) |
Net Income |  | $ | 191,960 |  |  | $ | 110,041 |  |  | $ | 92,663 |
Allocation of net income for basic: |  |  |  |  |  |  |  |  |  |  |  |
Class A Common Stock |  | $ | 153,106 |  |  | $ | 82,474 |  |  | $ | 68,080 |
Class B Common Stock |  |  | 37,690 |  |  |  | 26,600 |  |  |  | 23,710 |
Unvested participating shares |  |  | 1,164 |  |  |  | 967 |  |  |  | 873 |
|  | $ | 191,960 |  |  | $ | 110,041 |  |  | $ | 92,663 |
Weighted average number of shares for basic: |  |  |  |  |  |  |  |  |  |  |  |
Class A Common Stock |  |  | 9,734 |  |  |  | 8,908 |  |  |  | 8,620 |
Class B Common Stock* |  |  | 2,396 |  |  |  | 2,873 |  |  |  | 3,002 |
Unvested participating shares |  |  | 74 |  |  |  | 105 |  |  |  | 111 |
|  |  | 12,204 |  |  |  | 11,886 |  |  |  | 11,733 |
Net income per share for basic: |  |  |  |  |  |  |  |  |  |  |  |
Class A Common Stock |  | $ | 15.73 |  |  | $ | 9.26 |  |  | $ | 7.90 |
Class B Common Stock |  | $ | 15.73 |  |  | $ | 9.26 |  |  | $ | 7.90 |
* | Change in Class B Common Stock resulted from the conversion of 100,000 shares to Class A Common Stock on November 1, 2018, 100,000 shares to Class A Common stock on August 8, 2019 and 145,000 shares to Class A Common stock on December 13, 2019, 150,000 shares to Class A Common Stock on March 11, 2020, 215,000 shares to Class A Common Stock on May 6, 2020 and 130,000 shares to Class A Common Stock on November 3, 2020 with the ending number of shares reflecting the weighted average for the period.
Computation of Earnings Per Share, Diluted | The following tables set forth the computation of diluted net income per share, assuming the conversion of all Class B Common Stock into Class A Common Stock and using the two-class method for unvested participating shares:
|  | Fifty-two weeks ended December 26, 2020 |
|  | Earnings to Common Shareholders |  |  | Common Shares |  |  | EPS |
|  | (in thousands, except per share data) |  |  |  |  |
As reported - basic |  | $ | 153,106 |  |  |  | 9,734 |  |  | $ | 15.73 |
Add: effect of dilutive potential common shares |  |  |  |  |  |  |  |  |  |  |  |
Share-based awards |  |  | — |  |  |  | 153 |  |  |  |  |
Class B Common Stock |  |  | 37,690 |  |  |  | 2,396 |  |  |  |  |
Net effect of unvested participating shares |  |  | 14 |  |  |  |  |  |  |  |  |
Net income per common share - diluted |  | $ | 190,810 |  |  | $ | 12,283 |  |  |  | 15.53 |
|  | Fifty-two weeks ended December 28, 2019 |
|  | Earnings to Common Shareholders |  |  | Common Shares |  |  | EPS |
|  | (in thousands, except per share data) |  |  |  |  |
As reported - basic |  | $ | 82,474 |  |  |  | 8,908 |  |  | $ | 9.26 |
Add: effect of dilutive potential common shares |  |  |  |  |  |  |  |  |  |  |  |
Share-based awards |  |  | — |  |  |  | 127 |  |  |  |  |
Class B Common Stock |  |  | 26,600 |  |  |  | 2,873 |  |  |  |  |
Net effect of unvested participating shares |  |  | 10 |  |  |  | — |  |  |  |  |
Net income per common share - diluted |  | $ | 109,084 |  |  |  | 11,908 |  |  |  | 9.16 |
|  | Fifty-two weeks ended December 29, 2018 |
|  | Earnings to Common Shareholders |  |  | Common Shares |  |  | EPS |
|  | (in thousands, except per share data) |  |  |  |  |
As reported - basic |  | $ | 68,080 |  |  |  | 8,620 |  |  | $ | 7.90 |
Add: effect of dilutive potential common shares |  |  |  |  |  |  |  |  |  |  |  |
Share-based awards |  |  | — |  |  |  | 112 |  |  |  |  |
Class B Common Stock |  |  | 23,710 |  |  |  | 3,002 |  |  |  |  |
Net effect of unvested participating shares |  |  | 8 |  |  |  | — |  |  |  |  |
Net income per common share - diluted |  | $ | 91,798 |  |  |  | 11,734 |  |  | $ | 7.82 |

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