Long-Term Debt - Additional Information (Detail) € in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
	Feb. 01, 2019 USD ($)	Apr. 30, 2021 USD ($)	Apr. 30, 2020 USD ($)	Apr. 30, 2021 USD ($)	Apr. 30, 2020 USD ($)	Apr. 30, 2021 EUR (€)	Mar. 25, 2021	Jul. 31, 2020 USD ($)
Line of Credit Facility [Line Items]
Unsecured debt		$ 30,205		$ 30,205		€ 25,000		$ 29,620
Interest expense		18,361	$ 22,825	59,612	$ 71,037
Debt extinguishment charge		4,688
Fees to secure the facility, amortized amount		7,365	$ 2,679	12,825	$ 8,050
Accelerated amortization of fees to secure facility		4,688
Unamortized debt issuance expense		7,705		7,705				9,807
Term loan		1,549,621		$ 1,549,621				1,597,091
Term loan
Line of Credit Facility [Line Items]
Debt instrument, term	7 years
Loan fee amortization period				7 years
Debt, fair value		1,551,141		$ 1,551,141				1,565,866
Term loan		1,549,621		1,549,621				1,597,091
Term loan | US tranche
Line of Credit Facility [Line Items]
Line of credit, outstanding amount		$ 532,025		$ 532,025				$ 673,400
Long-term debt, percentage bearing fixed interest		5.466%		5.466%		5.466%		6.216%
Term loan | US tranche | LIBOR
Line of Credit Facility [Line Items]
Line of credit, outstanding amount		$ 941,900		$ 941,900				$ 941,900
Stated interest rate		3.125%		3.125%		3.125%		3.938%
Debt instrument, reduction of interest rate spread							0.75%
Term loan | US tranche | 1-month LIBOR
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		$ 607,721		$ 607,721				$ 655,191
Effective interest rate		3.00%		3.00%		3.00%		4.00%
Term loan | Euro tranche | LIBOR
Line of Credit Facility [Line Items]
Debt instrument, reduction of interest rate spread							1.00%
Unsecured series one debt
Line of Credit Facility [Line Items]
Stated interest rate		1.945%		1.945%		1.945%
Unsecured debt		$ 24,164		$ 24,164		€ 20,000
Unsecured series two debt
Line of Credit Facility [Line Items]
Stated interest rate		2.534%		2.534%		2.534%
Unsecured debt		$ 6,041		$ 6,041		€ 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
Line of credit, outstanding amount		$ 110,000		$ 110,000
Effective interest rate		1.375%		1.375%		1.375%
Line of credit, unused capacity commitment fee percentage				0.25%
Accounts receivable and inventory, net of amounts drawn		$ 610,000		$ 610,000
Loan fee amortization period				5 years
Term loan		$ 110,000		$ 110,000				$ 0
Asset-based credit facility | LIBOR | Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate				1.25%
Asset-based credit facility | LIBOR | Maximum
Line of Credit Facility [Line Items]
Basis spread on variable rate				1.75%
Asset-based credit facility | Base Rate | Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate				0.25%
Asset-based credit facility | Base Rate | Maximum
Line of Credit Facility [Line Items]
Basis spread on variable rate				0.75%