Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	1 Months Ended
Jun. 30, 2012	Mar. 31, 2011 Notices of proposed adjustments (NOPA)
Commitments and Contingencies
Minimum percentage used to measure tax benefit of uncertain tax position	50.00%
Commitments and Contingencies
Aggregate additional taxable income related to transfer pricing arrangements		$ 55,000
Additional federal taxes and penalties, excluding interest		$ 27,000

Represents the minimum percentage of an income tax position likely of being realized used to determine whether income tax position will be recognized.

No definition available.

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