Represents the percentage of gross profit in year three, to be used to calculate contingent consideration payments.

No definition available.

Name:	deck_BusinessAcquisitionPurchasePriceAdditionalParticipationPaymentYearThreePercentageOfGrossProfit
Namespace Prefix:	deck_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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

Estimated Future cash outflow to pay as contingent consideration arrangement for acquisition of business, measured at fair value using significant unobservable inputs (Level 3).

+ References

No definition available.

+ Details

Name:	deck_NoncashOrPartNoncashBusinessAcquisitionContingentConsideration
Namespace Prefix:	deck_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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=7488404&loc=d3e6927-128479

+ Details

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

- Definition

Number of pending claims pertaining to a loss contingency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

+ Details

Name:	us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

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

Commitments and Contingencies (Details) (USD $)	3 Months Ended
Commitments and Contingencies (Details) (USD $)	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2012
Commitments and Contingencies
Maximum indemnity period of claims for intellectual property	5 years
Indemnification
Commitments and Contingencies
Number of pending claims	0
Sanuk
Commitments and Contingencies
Contingent consideration	$ 28,000,000	$ 28,000,000
Sanuk \| Gross profit performance criteria
Commitments and Contingencies
Contingent consideration performance percentage applied to gross profit in 2015	40.00%
Hoka
Commitments and Contingencies
Contingent consideration	1,600,000	1,800,000
Maximum contingent consideration payments			2,000,000
Future capital expenditures
Commitments and Contingencies
Material commitments	$ 21,000,000