Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
Jan. 27, 2024	Apr. 29, 2023
Long-term Purchase Commitment [Line Items]
Purchase obligations, term		5 years
Product warranty	1 year
Manufacturing Vendors
Long-term Purchase Commitment [Line Items]
Purchase obligations within the next one year	$ 5.1
Purchase commitments to be paid, remainder of fiscal year 2024 through 2028	24.5
Refundable deposits paid	$ 8.8

Purchase Obligation, to be Paid, Within The Next Year

No definition available.

Name:	crdo_PurchaseObligationToBePaidWithinTheNextYear
Namespace Prefix:	crdo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Recorded Unconditional Purchase Obligation, To Be Paid, Year One Through Five

+ References

No definition available.

+ Details

Name:	crdo_RecordedUnconditionalPurchaseObligationToBePaidYearOneThroughFive
Namespace Prefix:	crdo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Standard Product Warranty

+ References

No definition available.

+ Details

Name:	crdo_StandardProductWarranty
Namespace Prefix:	crdo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- 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

No definition available.

+ Details

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

- Definition

Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_LongtermPurchaseCommitmentPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount purchased during the period under an unrecorded unconditional purchase obligation (for example, under the take-or-pay or throughput contract).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 440
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482648/440-10-50-4

+ Details

Name:	us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis=crdo_ManufacturingVendorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: