Commitments and Contingencies (Details) (Notices of proposed adjustments (NOPA), USD $) In Thousands, unless otherwise specified	1 Months Ended
Mar. 31, 2011
Notices of proposed adjustments (NOPA)
Commitments and Contingencies
Aggregate additional taxable income related to transfer pricing arrangements	$ 55,000
Additional federal taxes and penalties, excluding interest	$ 27,000

Aggregate additional taxable income related to transfer pricing arrangements with the company's subsidiaries, asserted in notice of proposed adjustments.

No definition available.

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Namespace Prefix:	deck_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration