Net Income per Share Attributable to Deckers Outdoor Corporation Common Stockholders (Details)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Reconciliations of basic to diluted weighted-average common shares outstanding
Weighted-average shares used in basic computation	34,404,000	38,614,000
Dilutive effect of stock based award (in shares)	384,000	480,000
Weighted-average shares used in diluted computation	34,788,000	39,094,000
Exclude NSUs
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	108,000	64,000
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	320,000
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)	525,000	525,000