Business Combination Contingent Consideration Arrangements Amount Paid

No definition available.

Name:	deck_BusinessCombinationContingentConsiderationArrangementsAmountPaid
Namespace Prefix:	deck_
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

Name:	deck_ContingenciesLineItems
Namespace Prefix:	deck_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the period of indemnity to licensees, distributors and promotional partners in connection with the claims related to use of the company's intellectual property (in years).

+ References

No definition available.

+ Details

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

- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

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

- Details

Name:	us-gaap_BusinessAcquisitionAxis=deck_SanukMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=deck_HokaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Commitments and Contingencies
Maximum indemnity period of claims related to intellectual property	5 years
Sanuk
Commitments and Contingencies
Approximate amount paid		$ 19,700
Hoka
Commitments and Contingencies
Approximate amount paid		300	$ 1,700
Maximum contingent consideration payments		$ 2,000