Net Loss per Share Attributable to Deckers Outdoor Corporation Common Stockholders (Details)	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Reconciliations of basic to diluted weighted-average common shares outstanding
Weighted-average shares used in basic computation	34,496,000		36,129,000		34,451,000		37,534,000
Dilutive effect of stock-based awards	298,000	[1]	448,000	[1]	341,000	[1]	460,000	[1]
Weighted-average shares used in diluted computation	34,794,000		36,577,000		34,792,000		37,994,000
Exclude NSUs
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	274,000	[1]	199,000	[1]	274,000	[1]	199,000	[1]
Exclude RSUs
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	639,000	[1]	671,000	[1]	639,000	[1]	671,000	[1]
Excluded SARs
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	525,000	[1]	525,000	[1]	525,000	[1]	525,000	[1]
Excluded options
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	0	[1]	0	[1]	0	[1]	0	[1]

[1] The share-based awards that were excluded from the dilutive effect were excluded because necessary conditions had not been satisfied for the shares to be issuable based on the Company’s performance through the three and nine months ended September 30, 2013 and 2012, respectively. The excluded awards include the maximum amounts achievable for these awards.