Legal Tax Proceedings (Details) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2013 Mexican Federal Tax Authority [Member] USD ($)	Jun. 30, 2013 Mexican Federal Tax Authority [Member] MXN	Jun. 30, 2013 U.S. Customs and Border Protection [Member] USD ($)
Income Tax Examination [Line Items]
Unpaid duties			$ 14.3
Penalties and interest assessed	22.0	280.0
Surety bond	$ 26.0	321.0

Amount of penalites and interest assessed by the government.

No definition available.

Name:	crox_PenaltiesAndInterestAssessed
Namespace Prefix:	crox_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration