Pension and Profit Sharing Plans - Schedule of Assumptions Used in Net Periodic Benefit Cost and Benefit Obligations (Detail)	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Retirement Benefits [Abstract]
Net Periodic Benefit Costs - Discount Rate	4.99%	3.75%	3.33%
Net Periodic Benefit Costs - Expected Return on Plan Assets	5.00%	3.85%	3.50%
Benefit Obligations - Discount Rate	5.27%	4.99%