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Debt and Other Borrowings - Additional Informations (Detail) |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |
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Nov. 25, 2020 USD ($) | Sep. 30, 2020 USD ($) | Mar. 18, 2020 USD ($) | Jan. 22, 2019 USD ($) | Mar. 27, 2006 USD ($) | Mar. 31, 2020 USD ($) | Dec. 25, 2020 USD ($) | Mar. 27, 2020 USD ($) | Dec. 25, 2020 USD ($) | Mar. 27, 2020 USD ($) | Mar. 29, 2019 USD ($) | Jun. 25, 2020 USD ($) | Mar. 28, 2020 USD ($) | Nov. 26, 2019 PHP (₱) | Nov. 26, 2019 USD ($) | Dec. 05, 2001 USD ($)
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding balance |  |  |  |  |  |  |  |  |  |  |  |  | $ 33,000,000 |  |  |
Repayments of line-of-credit |  |  |  |  |  |  |  |  |  |  | $ 10,000,000 |  |  |  |  |
Loss on Extinguishment of Debt |  |  |  |  |  |  | $ 9,055,000 |  | $ 9,055,000 |  |  |  |  |  |  |
Proceeds from lines of credit |  |  |  |  |  |  |  |  |  | $ 43,000,000 |  |  |  |  |  |
COVID-19 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from lines of credit |  |  |  |  |  | $ 43,000,000 |  | $ 43,000,000 |  |  |  |  |  |  |  |
Line of Credit | Line-of-Credit Agreement Expiring January 22, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 25,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Outstanding balance |  |  |  |  |  |  |  | $ 25,000,000 |  | 25,000,000 |  |  |  |  |  |
Proceeds from lines of credit |  |  |  |  |  |  |  |  |  | $ 25,000,000 | 0 |  |  |  |  |
Interest rate at period end |  |  |  |  |  |  |  | 1.70% |  | 1.70% |  |  |  |  |  |
Collateral, secured period |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |
Collateral fees, amount |  |  |  |  |  |  |  |  |  | $ 25,000 |  |  |  |  |  |
Line of Credit | Line-of-Credit Agreement Due at Various Times During Fiscal Year 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  | $ 10,000,000 |  |  |  |  |  |  |  |  |  |  |
Outstanding balance |  |  |  |  |  |  |  | $ 10,000,000 |  | 10,000,000 |  |  |  |  |  |
Proceeds from lines of credit |  |  |  |  |  |  |  |  |  | $ 10,000,000 |  |  |  |  |  |
Interest rate at period end |  |  |  |  |  |  |  | 2.50% |  | 2.50% |  |  |  |  |  |
Line of Credit | Line-of-Credit Agreement Maturing June 18, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 8,000,000
Outstanding balance |  |  |  |  |  |  |  | $ 8,000,000 |  | $ 8,000,000 |  | $ 8,000,000 |  |  |  |
Proceeds from lines of credit |  |  | $ 8,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate at period end |  |  |  |  |  |  |  | 1.90% |  | 1.90% |  |  |  |  |  |
Line of Credit | Line-of-Credit Agreement Expiring August 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | 1,247,000 |  | 1,247,000 |  |  |  |  | ₱ 60,000,000 | $ 1,175,000 |
Outstanding balance |  |  |  |  |  |  | 0 | $ 0 | 0 | $ 0 | $ 0 |  |  |  |  |
Interest rate at period end |  |  |  |  |  |  |  | 4.60% |  | 4.60% | 7.30% |  |  |  |  |
Line of Credit | Line-of-Credit Agreement Expiring June 30, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | 1,559,000 |  | 1,559,000 |  |  |  |  | ₱ 75,000,000 | $ 1,469,000 |
Outstanding balance |  |  |  |  |  |  | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 |  |  |  |  |
Interest rate at period end |  |  |  |  |  |  |  | 4.60% |  | 4.60% | 7.30% |  |  |  |  |
Line of Credit | London Interbank Offered Rate (LIBOR) | Line-of-Credit Agreement Expiring January 22, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 0.40% |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit | London Interbank Offered Rate (LIBOR) | Line-of-Credit Agreement Due at Various Times During Fiscal Year 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |
Mizuho Bank Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of line-of-credit |  | $ 25,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank Of Mitsubishi UFJ | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of line-of-credit |  | 8,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term Loan Facility | Credit Suisse AG Cayman Islands Branch |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 325,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt due date |  | 2027 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding balance | $ 325,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of line-of-credit | $ 300,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred financing costs |  | $ 9,374,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term Loan Facility | Credit Suisse AG Cayman Islands Branch | Interest Rate Floor |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 0.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term Loan Facility | Credit Suisse AG Cayman Islands Branch | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 3.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term Loan Facility | Credit Suisse AG Cayman Islands Branch | London Interbank Offered Rate (LIBOR) | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  | 4.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Mizuho Bank Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt due date |  | 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding borrowings interest rate |  |  |  |  |  |  | 4.50% |  | 4.50% |  |  |  |  |  |  |
Outstanding balance |  |  |  |  |  |  | $ 0 |  | $ 0 |  |  |  |  |  |  |
Deferred financing costs |  | $ 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred financing costs, Unamortized |  |  |  |  |  |  | $ 254,000 |  | $ 254,000 |  |  |  |  |  |  |

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