Supply Chain Fraud Matter - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	Jan. 31, 2025	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Supply Chain Fraud Matter [Line Items]
Pre tax expense per share	$ 0.1
Percentage of supply chain fraud matter in consolidated revenue and purchased transportation		2.00%	1.00%
Maximum
Supply Chain Fraud Matter [Line Items]
Percentage of supply chain fraud matter in consolidated revenue and purchased transportation				0.50%
Percentage of supply chain fraud matter in operating income and net income		1.00%	0.20%	0.20%
Cargo and Freight
Supply Chain Fraud Matter [Line Items]
Freight pre-tax expense	$ 4.8