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Leases, Lease Cost (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jul. 31, 2021 | Jul. 31, 2020 | Jul. 31, 2019
Lessee, Lease, Description [Line Items] |  |  |
Operating lease expense | $ 28,302 | $ 31,628 |
Amortization of right-of-use assets | 612 | 882 |
Interest on finance lease liabilities | 65 | 189 |
Short-term lease expense | 4,472 | 8,555 |
Variable lease expense | 1,586 | 1,635 |
Lease, Cost, Total | 35,037 | 42,889 |
Operating Leases, Rent Expense |  |  | $ 30,600
Operating lease right-of-use assets | 119,487 | 118,455 |
Finance Lease, Right-of-Use Asset, after Accumulated Amortization | 563 | 1,409 |
Lease Assets, net | 120,050 | 119,864 |
Lease liabilities | 120,433 | 121,722 |
Operating cash flows related to operating leases | 28,576 | 29,799 |
Operating cash flows related to finance leases | 65 | 187 |
Financing cash flows related to finance leases | 1,118 | 1,065 | $ 0
Right-of-use assets obtained in exchange for new operating lease liabilities | 41,770 | 42,860 |
Right-of-use assets obtained in exchange for new finance lease liabilities | 0 | 2,899 |
Present value of lease liabilities | 566 |  |
cprt_OperatingAndFinanceLeaseLiabilityCurrent |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Current portion of operating and finance lease liabilities | 21,942 | 24,821 |
Finance Lease, Liability, Current | 530 | 751 |
Present value of lease liabilities | 119,867 |  |
cprt_OperatingAndFinanceLeaseLiabilityNoncurrent |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating and finance lease liabilities, net of current portion | 97,925 | 95,584 |
Finance Lease, Liability, Noncurrent | $ 36 | $ 566 |

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- Definition Total operating and finance lease right-of-use liabilities and balance sheet presentation. + References No definition available. + Details
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- Definition Amount of interest expense on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 + Details
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
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