XML 83 R69.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Stockholder's Equity (Details Textuals 1) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended | 82 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jan. 31, 2018 | Oct. 31, 2016 | Jul. 31, 2016 | Jul. 31, 2018 | Jul. 31, 2017 | Jul. 31, 2016 | Jul. 31, 2018 | Dec. 30, 2015 | Sep. 22, 2011
Stock Repurchase [Abstract] |  |  |  |  |  |  |  |  |
Additional common stock authorized for repurchase (in shares) |  |  |  |  |  |  |  |  | 80,000,000
Common stock authorized for repurchase (in shares) |  |  |  |  |  |  |  |  | 196,000,000
Company repurchased common stock (in shares) |  |  |  | 0 |  | 5,877,038 | 106,913,602 |  |
Company repurchased common stock |  |  |  |  |  | $ 117,900 |  |  |
Shares remaining available for repurchase |  |  |  | 89,086,398 |  |  | 89,086,398 |  |
Payments Related to Tax Withholding for Share-based Compensation | $ 0 | $ 134,615 | $ 15,039 | $ 1,115 | $ 135,433 | $ 15,039 |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |
Stock Repurchase [Abstract] |  |  |  |  |  |  |  |  |
Stock repurchase price per share (in dollars per share) |  |  | $ 20.065 |  |  | $ 20.065 |  |  |
Common Stock [Member] | Dutch Auction [Member] |  |  |  |  |  |  |  |  |
Stock Repurchase [Abstract] |  |  |  |  |  |  |  |  |
Common stock authorized for repurchase (in shares) |  |  |  |  |  |  |  | 14,634,146 |
Company repurchased common stock (in shares) |  |  |  |  |  | 16,666,666 |  |  |
Stock repurchase price per share (in dollars per share) |  |  |  |  |  |  |  | $ 19.50 |
Common Shares Purchased Under Tender Offer, Value |  |  |  |  |  | $ 325,000 |  |  |
Common Stock [Member] | Dutch Auction [Member] | Maximum |  |  |  |  |  |  |  |  |
Stock Repurchase [Abstract] |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Share Offer Price |  |  |  |  |  |  |  | 20.50 |
Common Stock [Member] | Dutch Auction [Member] | Minimum |  |  |  |  |  |  |  |  |
Stock Repurchase [Abstract] |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Share Offer Price |  |  |  |  |  |  |  | $ 19.00 |

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

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 Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 25 -Paragraph 19A -URI http://asc.fasb.org/extlink&oid=107668666&loc=SL79513924-113897 + Details
Name: | us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 + Details
Name: | us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -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_StockRepurchasedAndRetiredDuringPeriodValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |