Net Loss per Share Attributable to Deckers Outdoor Corporation Common Stockholders (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Reconciliations of basic to diluted weighted-average common shares outstanding
Weighted-average shares used in basic computation	34,452,000	37,873,000	34,428,000	38,244,000
Weighted-average shares used in diluted computation	34,452,000	37,873,000	34,428,000	38,244,000
Exclude NSUs
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	523,000	734,000	523,000	734,000
Exclude RSUs
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	671,000	671,000	671,000	671,000
Stock Appreciation Rights (SARs)
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	730,000	745,000	730,000	745,000
Excluded options
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	8,000	14,000	8,000	14,000