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Common Stock and Stock-Based Compensation - Summary of Common Stock Award Activity (Detail) - USD ($) | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 31, 2017 | Dec. 25, 2020 | Mar. 27, 2020 | Mar. 29, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Aggregate Intrinsic Value, Outstanding |  | $ 16,121,000 |  |
Common Class A |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Outstanding, Number |  | 400,000 | 400,000 |
Granted | 400,000 |  |  |
Outstanding, Number |  |  | 400,000 | 400,000
Outstanding, Number |  |  | 400,000 |
Grant Date Fair Value |  | $ 101.10 | $ 101.10 |
Grant Date Fair Value |  |  | 101.10 | $ 101.10
Unvested-Grant Date Fair Value |  |  | $ 101.10 |
Weighted Average Remaining Contractual Terms |  |  | 4 years 6 months 7 days | 5 years 6 months 7 days
Unvested-Weighted Average Remaining Contractual Terms |  |  | 4 years 6 months 7 days |
Aggregate Intrinsic Value, Outstanding |  |  | $ 40,440,000 | $ 40,440,000
Unvested-Aggregate Intrinsic Value, Outstanding |  |  | $ 40,440,000 |
Common Class L |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Outstanding, Number |  | 622,470 | 607,620 |
Granted | 597,400 |  | 30,300 |
Canceled |  |  | (15,450) |
Outstanding, Number |  |  | 622,470 | 607,620
Outstanding, Number |  |  | 321,840 |
Grant Date Fair Value |  | $ 11.43 | $ 10.62 |
Granted |  |  | 26.93 |
Canceled |  |  | 10.03 |
Grant Date Fair Value |  |  | 11.43 | $ 10.62
Grant Date Fair Value |  |  | $ 11.67 |
Weighted Average Remaining Contractual Terms |  |  | 1 year 7 months 13 days | 2 years 6 months 14 days
Unvested-Weighted Average Remaining Contractual Terms |  |  | 1 year 8 months 19 days |
Aggregate Intrinsic Value, Outstanding |  |  | $ 7,115 | $ 6,454
Unvested-Aggregate Intrinsic Value, Outstanding |  |  | $ 3,757 |

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- Definition Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Unvested And Expected To Vest Weighted Average Remaining Contractual Terms + References No definition available. + Details
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- Definition Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Weighted Average Grant Date Fair Value + References No definition available. + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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