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Long-Term Debt - Additional Information (Detail) € in Thousands |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Feb. 01, 2019 USD ($) | Jan. 31, 2020 USD ($) | Jan. 31, 2019 USD ($) | Jan. 31, 2020 USD ($) | Jan. 31, 2019 USD ($) | Jan. 31, 2020 EUR (€) | Jul. 31, 2019 USD ($)
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Unsecured debt |  | $ 27,630,000 |  | $ 27,630,000 |  | € 25,000 | $ 27,878,000
Interest expense |  | 23,863,000 |  | 48,212,000 |  |  |
Fees to secure the facility, amortized amount |  | 2,686,000 |  | 5,371,000 | $ 785,000 |  |
Unamortized debt issuance expense |  | 11,208,000 |  | 11,208,000 |  |  | 12,609,000
Term Loan |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt instrument, term | 7 years |  |  |  |  |  |
Line of credit, outstanding amount |  | 1,670,877,000 |  | $ 1,670,877,000 |  |  | 1,832,341,000
Loan fee amortization period |  |  |  | 7 years |  |  |
Term Loan | US Tranche |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Line of credit, outstanding amount |  | $ 756,600,000 |  | $ 756,600,000 |  |  | $ 849,550,000
Long-term debt, percentage bearing fixed interest |  | 6.216% |  | 6.216% |  | 6.216% | 6.216%
Term Loan | US Tranche | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Line of credit, outstanding amount |  | $ 995,002,000 |  | $ 995,002,000 |  |  | $ 1,146,968,000
Stated interest rate |  | 5.4375% |  | 5.4375% |  | 5.4375% | 6.1875%
Term Loan | US Tranche | Interest Rate Swap |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Stated interest rate |  | 2.466% |  | 2.466% |  | 2.466% | 2.466%
Term Loan | Euro Tranche |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Line of credit, outstanding amount |  | $ 675,875,000 |  | $ 675,875,000 |  |  | $ 685,373,000
Stated interest rate |  | 4.00% |  | 4.00% |  | 4.00% | 4.00%
Unsecured Series One Debt |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Stated interest rate |  | 1.945% |  | 1.945% |  | 1.945% |
Unsecured debt |  | $ 22,104,000 |  | $ 22,104,000 |  | € 20,000 |
Unsecured Series Two Debt |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Stated interest rate |  | 2.534% |  | 2.534% |  | 2.534% |
Unsecured debt |  | $ 5,526,000 |  | $ 5,526,000 |  | € 5,000 |
Other Long Term Debt | Minimum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Stated interest rate |  | 1.40% |  | 1.40% |  | 1.40% |
Other Long Term Debt | Maximum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Stated interest rate |  | 3.43% |  | 3.43% |  | 3.43% |
Asset Based Credit Facility |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Line of credit, maximum borrowing capacity | $ 750,000,000 |  |  |  |  |  |
Line of credit, outstanding amount |  | $ 27,630,000 |  | $ 27,630,000 |  |  | $ 0
Stated interest rate |  | 1.25% |  | 1.25% |  | 1.25% |
Line of credit, unused capacity commitment fee percentage |  |  |  | 0.25% |  |  |
Line of credit, borrowing availability |  | $ 667,000,000 |  | $ 667,000,000 |  |  |
Interest expense |  |  | $ 715,000 |  | $ 1,444,000 |  |
Loan fee amortization period |  |  |  | 5 years |  |  |
Fees to secure the facility, amortized amount |  |  | $ 392,000 |  |  |  |

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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 210.5-02.22) -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 470 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1336-112600 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1314-112600 + Details
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