XML 25 R40.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Stock-based Compensation (Details Textual) | Oct. 31, 2013
--- | ---
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract] |
Shares available for calculating intrinsic value (in shares) | 14,902,114

X
- Definition The number of stock options in-the-money as of the balance-sheet date. A stock option is said to be in-the-money when the price of the underlying instrument surpasses the strike price. + References No definition available. + Details
Name: | cprt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsInMoneyNumber
Namespace Prefix: | cprt_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration