Summary Of Goodwill & Intangible Assets (Details)	Dec. 31, 2012 USD ($)		Dec. 31, 2012 EUR (€)	Dec. 31, 2011 USD ($)	Dec. 31, 2012 Capitalized Software [Member] USD ($)		Dec. 31, 2011 Capitalized Software [Member] USD ($)		Dec. 31, 2012 Customer Relationships [Member] USD ($)	Dec. 31, 2011 Customer Relationships [Member] USD ($)	Dec. 31, 2012 Patents, copyrights and trademarks [Member] USD ($)	Dec. 31, 2011 Patents, copyrights and trademarks [Member] USD ($)	Dec. 31, 2012 Core technology [Member] USD ($)	Dec. 31, 2011 Core technology [Member] USD ($)	Dec. 31, 2012 Other [Member] USD ($)	Dec. 31, 2011 Other [Member] USD ($)
Intangible Assets [Line Items]
Gross Carrying Amount, Finite-Lived Intangible Assets	$ 106,258,000			$ 84,700,000	$ 87,426,000	[1]	$ 66,530,000	[1]	$ 7,145,000	$ 6,321,000	$ 6,161,000	$ 6,109,000	$ 4,856,000	$ 4,743,000	$ 670,000	$ 997,000
Accumulated Amortization, Finite-Lived Intangible Assets	(49,169,000)			(36,170,000)	(33,933,000)	[2]	(22,156,000)	[2]	(6,222,000)	(5,641,000)	(3,522,000)	(2,994,000)	(4,856,000)	(4,743,000)	(636,000)	(636,000)
Net Carrying Amount, Finite-Lived Intangible Assets	57,089,000			48,530,000	53,493,000		44,374,000		923,000	680,000	2,639,000	3,115,000			34,000	361,000
Indefinite lived intangible assets	113,000			111,000
Goodwill	2,729,000	[3]
Gross Carrying Amount, Total Intangible Assets	109,100,000			84,811,000
Net Carrying Amount, Total Intangible Assets	59,931,000			48,641,000
Gross Capitalized Software Held Under Capital Lease	4,100,000			4,100,000
Amortization of Capitalized Software Held Under Capital Lease	1,300,000			700,000
Aquisition Cost	$ 4,600,000		€ 3,600,000

[1] Includes $4.1 million of software held under a capital lease classified as capitalized software as of December 31, 2012 and 2011.

[2] Includes $1.3 million and $0.7 million of accumulated amortization of software held under a capital lease as of December 31, 2012 and 2011, respectively, which is amortized using the straight-line method over the useful life.

[3] On July 16, 2012, our subsidiaries Crocs Europe B.V., Crocs Stores B.V. and Crocs Belgium N.V. (collectively referred to as Crocs Europe), which are part of our Europe segment, acquired certain net assets and activities from Crocs Benelux B.V. (Benelux) pursuant to a sale and purchase agreement dated July 9, 2012.  Prior to the acquisition, Benelux was a distributor of the Company.  The Company acquired  Benelux’ retail business and wholesale business, including inventory, fixed assets, customer relationships, 10 retail stores and their associated leases.  Total consideration paid was cash of € 3.6 million (approximately $4.6 million).