XML 48 R33.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

Business Combinations (Tables) | 12 Months Ended
--- | ---
Mar. 29, 2024
Crocus |
Business Acquisition [Line Items] |
Summary of Preliminary and Final Purchase Price Allocation | The preliminary purchase price allocation is as follows:
Total purchase consideration |  | $ | 412,274 |
Cash |  |  | 4,155 |
Inventories |  |  | 4,208 |
Accounts receivable |  |  | 484 |
Prepaid expenses and other current assets |  |  | 2,400 |
Property, plant and equipment |  |  | 7,640 |
Right-of-use asset* |  |  | 9,770 |
Completed technology** |  |  | 234,000 |
Customer relationships** |  |  | 12,000 |
Other assets |  |  | 229 |
Total identifiable assets acquired |  |  | 274,886 |
Accounts payable |  |  | (5,134 | )
Accrued expenses and other current liabilities |  |  | (2,707 | )
Long-term debt |  |  | (842 | )
Lease liability*** |  |  | (10,390 | )
Other long-term liabilities |  |  | (2,813 | )
Deferred income tax liabilities |  |  | (15,245 | )
Total identifiable net assets |  |  | 237,755 |
Goodwill |  | $ | 174,519 |
*Primarily included in Property, plant and equipment in the consolidated balance sheets. **Included in Intangible assets, net in the consolidated balance sheets. ***Primarily included in Long-Term debt in the consolidated balance sheets.
Heyday |
Business Acquisition [Line Items] |
Summary of Preliminary and Final Purchase Price Allocation | The final purchase price allocation is as follows:
Cash |  | $ | 324 |
Property, plant and equipment |  |  | 16 |
Completed technology |  |  | 15,100 |
In-process research and development |  |  | 1,600 |
Total identifiable assets acquired |  | $ | 17,040 |
Current liabilities assumed |  |  | (282 | )
Deferred income tax liabilities |  |  | (3,609 | )
Net assets acquired |  | $ | 13,149 |
Total identifiable net assets |  |  | (20,245 | )
Goodwill |  | $ | 7,096 |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479907/805-20-50-5 + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479907/805-20-50-1 + Details
Name: | us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=algm_CrocusMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=algm_HeydayMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |