XML 18 R48.htm IDEA: XBRL DOCUMENT v2.4.0.6

Restructuring (Detail Textuals 2) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Apr. 30, 2013
Restructuring and Related Activities [Abstract]
Additional depreciation expense to be recorded for the fiscal year 2013	$ 6.6
Additional depreciation expense to be recorded for the fiscal year 2014	2.7
Additional depreciation expenses recognized during current period	$ 4.7
Data Centers
Property, Plant and Equipment [Line Items]
Average useful lives of data center	60 months
Revised average useful lives of data center	45 months

X

- Definition

This element represents the amount of additional depreciation expense.

+ References

No definition available.

+ Details

Name:	cprt_AdditionalDepreciationExpense
Namespace Prefix:	cprt_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This element represents the amount of additional depreciation expense one.

+ References

No definition available.

+ Details

Name:	cprt_AdditionalDepreciationExpenseOne
Namespace Prefix:	cprt_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This element represents the amount of additional depreciation expenses recognized during the period.

+ References

No definition available.

+ Details

Name:	cprt_AdditionalDepreciationExpenseRecognizedDuringPeriod
Namespace Prefix:	cprt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Describes the revised 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

No definition available.

+ Details

Name:	cprt_PropertyPlantAndEquipmentRevisedUsefulLives
Namespace Prefix:	cprt_
Data Type:	xbrli:stringItemType
Balance Type:	na
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

-URI http://asc.fasb.org/subtopic&trid=2155824

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_RestructuringAndRelatedActivitiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration