XML 86 R72.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Stockholder's Equity (Details Textuals 2) - USD ($) | 12 Months Ended |
--- | --- | ---
Jul. 31, 2016 | Jul. 31, 2015 | Jul. 31, 2014 | Dec. 31, 2007
Employee Stock Purchase Plan (ESPP) |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Common stock authorized to purchase | 5,000,000 |  |  |
Discount from market price | 15.00% |  |  |
Offering period |  | 6 months |  |
Maximum percentage of salary withheld for employee contribution | up to 10% |  |  |
Compensation contribution limit in percentage | may not exceed 15 |  |  |
Number of shares of common stock issued pursuant to the ESPP | 108,132 | 101,015 | 81,967 |
Common stock have been issued pursuant to the ESPP | 4,050,226 |  |  |
Shares were available for future grant under the Plan (in shares) | 989,811 |  |  |
Maximum annual contributions per employee, percent |  | 10.00% |  |
Share-based compensation arrangement by share-based payment award, maximum employee contribution permitted value | $ 25,000 |  |  |
Maximum annual contributions per employee, conditional percent |  | 15.00% |  |
2007 Equity Incentive Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Common stock authorized to purchase |  |  |  | 8,000,000
Shares were available for future grant under the Plan (in shares) |  |  |  | 1,360,067

X
- Definition Represents limit of percentage of compensation contribution with respect to increase in amount. + References No definition available. + Details
Name: | cprt_CompensationContributionLimitInPercentage
Namespace Prefix: | cprt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Employee Stock Purchase Plan, Maximum Annual Contributions Per Employee, Conditional Percent + References No definition available. + Details
Name: | cprt_EmployeeStockPurchasePlanMaximumAnnualContributionsPerEmployeeConditionalPercent
Namespace Prefix: | cprt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares to be repurchased by an entity's Board of Directors under a Employee Stock Purchase Plan. + References No definition available. + Details
Name: | cprt_EmployeeStockPurchasePlanSharesRepurchased
Namespace Prefix: | cprt_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition An entity may opt to disclose the highest amount maximum employee contribution permitted to utilize with respect to the plan. + References No definition available. + Details
Name: | cprt_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeContributionPermittedValue
Namespace Prefix: | cprt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents percentage of salary employee to make contributions to purchase shares of common stock under employee stock purchase plan. + References No definition available. + Details
Name: | cprt_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumPercentageOfSalaryWithheldForEmployeeContribution
Namespace Prefix: | cprt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Term + References No definition available. + Details
Name: | cprt_SharebasedCompensationArrangementbySharebasedPaymentAwardTerm
Namespace Prefix: | cprt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Discount rate from fair value on purchase date that participants pay for shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares issued during the period as a result of an employee stock purchase plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=cprt_EmployeeStockPurchasePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=cprt_EquityIncentive2007PlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |