Operating Lease Rental Expense Narrative (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Operating Leases Rent Expense [Abstract]
CAM, parking and storage fees related to rent expense	$ 2.5	$ 2.5	$ 4.9	$ 4.9

The amount of common area maintenance fees, parking and storage included in minimum rentals for purposes of calculating rent expense.

No definition available.

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