Net Income per Share - Additional Information (Detail) |
12 Months Ended | |||
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Dec. 30, 2023
$ / shares
shares
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Dec. 31, 2022
$ / shares
shares
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Dec. 25, 2021
$ / shares
shares
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Dec. 26, 2020
shares
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| Earnings Per Share Note [Line Items] | ||||
| Net income per common share - basic | $ / shares | $ 6.23 | $ 5.46 | $ 1.19 | |
| Conversion ratio for Class B to Class A shares | shares | 1 | |||
| Performance-Based Awards | ||||
| Earnings Per Share Note [Line Items] | ||||
| Number of shares not included because the performance criteria was not expected to be met | shares | 54,000 | 1,000 | 1,000 | |
| Common Class A | ||||
| Earnings Per Share Note [Line Items] | ||||
| Net income per common share - basic | $ / shares | $ 6.23 | $ 5.46 | $ 1.19 | |
| Antidilutive securities excluded from computation of earnings per share | shares | 52,000 | 17,000 | 17,000 | |
| Common Class B | ||||
| Earnings Per Share Note [Line Items] | ||||
| Net income per common share - basic | $ / shares | $ 6.23 | $ 5.46 | $ 1.19 | |
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- Definition Convertible Shares Exchange Ratio No definition available.
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- Definition Earnings Per Share Note [Line Items] No definition available.
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The addition or reduction in the number of reserved shares that could potentially be issued under the option plan attributable to reasons other than grants, exercises, forfeitures, and expirations during the reporting period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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