Employee Retirement Plans - Additional Information (Detail)	12 Months Ended
	May 31, 2024 USD ($) Age	May 31, 2023 USD ($)	May 31, 2022 USD ($)	Nov. 16, 2023 USD ($)	Dec. 01, 2021 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Percentage of matching contribution per dollar	50.00%
Percentage of plan participants compensation	4.00%
Employer contribution	3.00%
Minimum contribution guarantees percentage	3.00%
Benefit receivable reaching age | Age	65
Description of investment policy and strategy for the defined benefit plan	The investment policy and strategy for the defined benefit plans is: (i) long-term in nature with liquidity requirements that are anticipated to be minimal due to the projected normal retirement date of the average employee and the current average age of participants; (ii) to earn nominal returns, net of investment fees, equal to or in excess of the defined benefit plans’ respective liability growth rate; and (iii) to include a diversified asset allocation of domestic and international equities and fixed income investments.
Expected employer contribution to defined benefit plan during fiscal 2025	$ 1,800,000
Net periodic benefit cost	$ (700,000)	$ (600,000)	$ (700,000)
Discount rate	4.76%	4.32%	2.66%
Maximum
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit cost	$ 100,000	$ 100,000
Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit plan assets fair value	0	0
Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit plan assets fair value	$ 0	$ 0
Tempel Steel Company
Defined Benefit Plan Disclosure [Line Items]
Pension and other postretirement benefit obligations, net					$ 40,200,000
Voestalpine Automotive Components Nagold GmbH & Co. KG
Defined Benefit Plan Disclosure [Line Items]
Pension and other postretirement benefit obligations, net				$ 900,000