XML 44 R47.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Summary of Significant Accounting Policies (Details Textuals 2) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jul. 31, 2015 | Jul. 31, 2014 | Jul. 31, 2013
Property, Plant and Equipment [Line Items] |  |  |
Software development costs, gross | $ 65,100 | $ 61,700 |
Accumulated amortization | 42,600 | 38,600 |
Impairment of capitalized software costs | 29,100 |  |
Retained Insurance Liabilities [Abstract] |  |  |
Amount deductible per claim - insurance policies | 250,000 |  |
Amount deductible per claim - medical policy | $ 225,000 |  |
Percentage of medical claim | 120.00% |  |
Self insured claims reserve | $ 5,800 | 5,700 |
Share-based Arrangements with Employees and Nonemployees [Abstract] |  |  |
Proceeds from the exercise of stock options | 3,634 | 10,412 | $ 21,442
Income tax benefit realized from stock-based payment compensation | $ 2,971 | $ 2,289 | $ 6,097
Leasehold improvements |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Description of useful lives | between five and ten years |  |
Internally developed or purchased software |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Description of useful lives | three to five years |  |
Transportation and other equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Description of useful lives | three to seven years |  |
Office furniture and equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Description of useful lives | three to ten years |  |
Buildings and leasehold improvements |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Description of useful lives | 5 to 40 years or the lease term, whichever is shorter |  |
Minimum | Leasehold improvements |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 5 years |  |
Minimum | Internally developed or purchased software |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 3 years |  |
Minimum | Transportation and other equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 3 years |  |
Minimum | Office furniture and equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 3 years |  |
Minimum | Buildings and leasehold improvements |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 5 years |  |
Maximum | Leasehold improvements |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 10 years |  |
Maximum | Internally developed or purchased software |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 5 years |  |
Maximum | Transportation and other equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 7 years |  |
Maximum | Office furniture and equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 10 years |  |
Maximum | Buildings and leasehold improvements |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Useful life (in years) | 40 years |  |

X
- Definition Amount deductible per claim - Insurance Policies. + References No definition available. + Details
Name: | cprt_AmountOfInsurancePoliciesExceptionOfMedicalPolicyDeductiblePerClaim
Namespace Prefix: | cprt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount deductible per claim - Medical Policy. + References No definition available. + Details
Name: | cprt_AmountOfMedicalPolicyDeductiblePerClaim
Namespace Prefix: | cprt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of medical policy expected claim. + References No definition available. + Details
Name: | cprt_PercentageOfMedicalPolicyExpectedClaim
Namespace Prefix: | cprt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | cprt_RetainedInsuranceLiabilitiesAbstract
Namespace Prefix: | cprt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the total amount reserved for related self-insured claims. + References No definition available. + Details
Name: | cprt_SelfInsuredClaimsReserve
Namespace Prefix: | cprt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
Name: | us-gaap_CapitalizedComputerSoftwareAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
Name: | us-gaap_CapitalizedComputerSoftwareGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition For each income statement presented, the amount charged to expense for write-downs of capitalized computer software costs to net realizable value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
Name: | us-gaap_CapitalizedComputerSoftwareImpairments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=32706628&loc=d3e11374-113907 + Details
Name: | us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + 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 (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
Name: | us-gaap_ProceedsFromStockOptionsExercised
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6539997&loc=d3e1205-110223 + Details
Name: | us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ShareBasedArrangementsToObtainGoodsAndServicesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_TransportationEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OfficeEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |