Derivatives and Hedging - Additional Information (Detail)			1 Months Ended		12 Months Ended
		Oct. 31, 2017 EUR (€) CrossCurrencySwap	May 31, 2022 USD ($) ForwardContract	Feb. 29, 2020 USD ($)	May 31, 2022 USD ($) ForwardContract	May 31, 2021 USD ($) ForwardContract	Feb. 29, 2020 EUR (€) CrossCurrencySwap	Feb. 29, 2020 USD ($) CrossCurrencySwap	Oct. 31, 2017 USD ($) CrossCurrencySwap
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Debt instrument, interest rate, stated percentage	[1]					2.95%
Derivatives Designated as Hedging Instruments
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Number of cross currency swaps executed | CrossCurrencySwap		2							2
Notional amount		€ 85,250,000							$ 100,000,000
Derivative instruments maturity date		2022-11
Number of cross currency swaps terminated | CrossCurrencySwap							2	2
Cash received on derivative fair value hedge			$ 11,600,000	$ 9,300,000
Cash flow hedges accounting reserve balance within AOCI			$ 1,900,000		$ 1,900,000
Discontinuation of price risk cash flow hedge					hedge accounting was discontinued and a hedge accounting adjustment to our Senior Notes of $1.5 million was recorded and is being amortized to interest expense in the Consolidated Statements of Operations through the termination of the 3.450% Notes in November 2022. Changes in the fair value of the cross currency swaps due to spot foreign exchange rates are recorded as cumulative translation adjustment within AOCI and will remain in AOCI until either the sale or substantially complete liquidation of the hedged subsidiaries
Derivatives Designated as Hedging Instruments | Variable Interest Rate
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Number of cross currency swaps executed | CrossCurrencySwap							2	2
Notional amount							€ 277,730,000	$ 300,000,000
Derivative instruments maturity date				2023-02
Derivatives Designated as Hedging Instruments | Foreign Borrower's Term Loan | Variable Interest Rate
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Notional amount							€ 92,520,000	$ 100,000,000
Derivative instruments maturity date				2023-02
Derivatives Designated as Hedging Instruments | 3.450% Senior Notes November 2022
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Debt instrument, interest rate, stated percentage							3.45%	3.45%
Derivatives Designated as Hedging Instruments | 3.450% Senior Notes November 2022 | Interest Expense
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Discontinued hedge accounting adjustment to senior Notes				$ 1,500,000
Derivatives Not Designated as Hedges
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Number of foreign currency forward contract held | ForwardContract			1		1	1
Derivatives Not Designated as Hedges | Forward Contracts Held to Purchase Foreign Currencies
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Notional amount			$ 238,200,000		$ 238,200,000	$ 191,700,000

[1] The $300.0 million face amount of the notes due 2032 is adjusted for the amortization of the original issue discount, which approximated $0.6 million at May 31, 2022. The original issue discount effectively reduced the ultimate proceeds from the financing. The effective interest rate on the notes, including the amortization of the discount, is 2.976%. At May 31, 2022, the notes are adjusted for debt issuance costs, net of amortization, for approximately $2.9 million.