XML 51 R40.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Stock Repurchases (Details Textual) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended | 64 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 31, 2015 | Jan. 31, 2017 | Jul. 31, 2016 | Jul. 31, 2015 | Jan. 31, 2017 | Dec. 30, 2015 | Jul. 09, 2015 | Sep. 22, 2011
Common stock authorized for repurchase (in shares) |  |  |  |  |  |  | 13,888,888 |
Remittance to taxing authorities under statutory withholding |  | $ 134.6 |  |  |  |  |  |
Number of stock options exercised |  | 9,892,000 |  |  |  |  |  |
Stock Repurchase Program 2011 |  |  |  |  |  |  |  |
Stock Repurchase Program Additional Number Of Shares Authorized Approved |  |  |  |  |  |  |  | 40,000,000
Stock Repurchased and Retired During Period, Shares |  |  |  |  | 53,456,801 |  |  |
Number of shares available for repurchase under stock repurchase program |  | 44,543,199 |  |  | 44,543,199 |  |  |
Common Stock | Stock Repurchase Program 2011 |  |  |  |  |  |  |  |
Common stock authorized for repurchase (in shares) |  |  |  |  |  |  |  | 98,000,000
Common Stock | Dutch Auction |  |  |  |  |  |  |  |
Common stock authorized for repurchase (in shares) |  |  |  |  |  | 7,317,073 |  |
Stock Repurchased and Retired During Period, Shares | 6,254,061 |  | 8,333,333 |  |  |  |  |
Stock Repurchased and Retired During Period Cost Per Share |  |  |  |  |  | $ 39.00 |  |
Common Shares Purchased Under Tender Offer, Value |  |  | $ 325.0 | $ 225.1 |  |  |  |
Maximum | Common Stock | Dutch Auction |  |  |  |  |  |  |  |
Purchase Price Per Share Of Common Shares Purchased Under Tender Offer |  |  |  |  |  |  | $ 36.00 |
Stock Repurchase Program, Share Offer Price |  |  |  |  |  | 41.00 |  |
Minimum | Common Stock | Dutch Auction |  |  |  |  |  |  |  |
Purchase Price Per Share Of Common Shares Purchased Under Tender Offer |  |  |  |  |  |  | $ 34.75 |
Stock Repurchase Program, Share Offer Price |  |  |  |  |  | $ 38.00 |  |

X
- Definition Common Shares Purchased Under Tender Offer, Value + References No definition available. + Details
Name: | cprt_CommonSharesPurchasedUnderTenderOfferValue
Namespace Prefix: | cprt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the purchase price per share of common shares purchased under tender on specific date. + References No definition available. + Details
Name: | cprt_PurchasePricePerShareOfCommonSharesPurchasedUnderTenderOffer
Namespace Prefix: | cprt_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number additional shares approved under company's stock repurchase program by the entity's board of directors. + References No definition available. + Details
Name: | cprt_StockRepurchaseProgramAdditionalNumberOfSharesAuthorizedApproved
Namespace Prefix: | cprt_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Stock Repurchase Program, Share Offer Price + References No definition available. + Details
Name: | cprt_StockRepurchaseProgramShareOfferPrice
Namespace Prefix: | cprt_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the price per share paid to acquire company's common stock under stock repurchase program. + References No definition available. + Details
Name: | cprt_StockRepurchasedAndRetiredDuringPeriodCostPerShare
Namespace Prefix: | cprt_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References No definition available. + Details
Name: | us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of share options (or share units) exercised during the current period. + References Reference 1: 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 2: 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 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 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares that have been repurchased and retired during the period. + References Reference 1: 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 2: 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 Reference 3: 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 4: 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 + Details
Name: | us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=cprt_StockRepurchaseProgram2011Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=cprt_DutchAuctionMember
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: |

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