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	Mar. 31, 2025	Mar. 31, 2024
Operating revenues	$ 155,342	$ 182,592
Motor Carrier [Member] | Revenue Benchmark [Member] | Geographic Concentration Risk [Member]
Operating Revenues, percentage	100.00%	100.00%
Motor Carrier [Member] | UNITED STATES
Operating revenues	$ 83,917	$ 118,909
Motor Carrier [Member] | UNITED STATES | Revenue Benchmark [Member] | Geographic Concentration Risk [Member]
Operating Revenues, percentage	54.00%	65.10%
Motor Carrier [Member] | MEXICO
Operating revenues	$ 71,025	$ 63,381
Motor Carrier [Member] | MEXICO | Revenue Benchmark [Member] | Geographic Concentration Risk [Member]
Operating Revenues, percentage	45.70%	34.70%
Motor Carrier [Member] | CANADA
Operating revenues	$ 400	$ 302
Motor Carrier [Member] | CANADA | Revenue Benchmark [Member] | Geographic Concentration Risk [Member]
Operating Revenues, percentage	0.30%	0.20%

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