XML 84 R67.htm IDEA: XBRL DOCUMENT v3.21.1

Revenue from Contract with Customers - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 26, 2021	Mar. 27, 2020
Revenue from Contract with Customer [Abstract]
Trade accounts receivable, returns, credits issued, and price protection adjustments, current	$ 15,412	$ 17,473
Trade accounts receivable, returns, credits issued, and price protection adjustments expense (credit)	$ (2,061)	$ 423

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

- Definition

Accounts Receivable, Returns, Credits Issued, And Price Protection Adjustments Expense (Credit)

+ References

No definition available.

+ Details

Name:	algm_AccountsReceivableReturnsCreditsIssuedAndPriceProtectionAdjustmentsExpenseCredit
Namespace Prefix:	algm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration