Commitments and Contingencies - Purchase Obligations (Details) $ in Thousands	12 Months Ended
Mar. 31, 2023 USD ($)
Minimum
Future commitments
Advance purchase period (in months)	3 months
Maximum
Future commitments
Advance purchase period (in months)	9 months
Product
Future commitments
Outstanding purchase orders	$ 668,388
Commodity Contracts
Future commitments
Remaining Commitment	175,099
Contract Value	$ 252,191
Commodity Contracts \| Minimum
Future commitments
Long-term purchase commitment period (in years)	1 year
Commodity Contracts \| Maximum
Future commitments
Long-term purchase commitment period (in years)	2 years
Sheepskin
Future commitments
Advance deposit	$ 16,243
Refunds of deposits	16,877
Purchase Commitment One
Future commitments
Remaining Commitment	1,586
Contract Value	3,600
Purchase Commitment Two
Future commitments
Remaining Commitment	2,560
Contract Value	2,560
Purchase Commitment Three
Future commitments
Remaining Commitment	14,657
Contract Value	25,200
Purchase Commitment Four
Future commitments
Remaining Commitment	10,372
Contract Value	35,000
Purchase Commitment Five
Future commitments
Remaining Commitment	2,185
Contract Value	2,450
Purchase Commitment Six
Future commitments
Remaining Commitment	49,102
Contract Value	72,000
Purchase Commitment Seven
Future commitments
Remaining Commitment	21,326
Contract Value	32,920
Purchase Commitment Eight
Future commitments
Remaining Commitment	43,945
Contract Value	45,800
Purchase Commitment Nine
Future commitments
Remaining Commitment	18,266
Contract Value	21,561
Purchase Commitment Ten
Future commitments
Remaining Commitment	11,100
Contract Value	11,100
Other Purchase Commitment
Future commitments
Long-term purchase commitment	$ 234,837

Purchase Commitment, Contract Value

No definition available.

Name:	deck_PurchaseCommitmentContractValue
Namespace Prefix:	deck_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Purchase Commitment Product Order Period

+ References

No definition available.

+ Details

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Namespace Prefix:	deck_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Significant Purchase Commitment Advance Deposit Amount

+ References

No definition available.

+ Details

Name:	deck_SignificantPurchaseCommitmentAdvanceDepositAmount
Namespace Prefix:	deck_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

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

- Definition

Cash received for refunds from suppliers during the current period. This element includes refunds from suppliers of materials; it excludes refunds from providers of fixed assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585

+ Details

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

- Definition

Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(17))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(19))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(25))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=123406679&loc=d3e25383-109308

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

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Period Type:	duration

- Details

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- Details

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- Details

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- Details

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