XML 49 R41.htm IDEA: XBRL DOCUMENT
v3.25.3

Revenue from Contracts with Customers - Additional Information (Details) - USD ($) $ in Thousands | Sep. 26, 2025 | Mar. 28, 2025
--- | --- | ---
Revenue from Contract with Customer [Abstract] |  |
Trade accounts receivable, returns, credits issued, and price protection adjustments, current | $ 29,282 | $ 33,855

X
- Definition Accounts Receivable, Returns, Credits Issued, And Price Protection Adjustments, Current + References No definition available. + Details
Name: | algm_AccountsReceivableReturnsCreditsIssuedAndPriceProtectionAdjustmentsCurrent
Namespace Prefix: | algm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration