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Nature of the Business and Basis of Presentation - Additional Information (Details) | Sep. 24, 2021 continent location
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Number of locations | location | 16
Number of continents on which entity operates | continent | 4

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- Definition Number Of Locations + References No definition available. + Details
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Namespace Prefix: | algm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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