Accounting Policies (Table Text Block)	12 Months Ended
Mar. 31, 2023
Inventory Disclosure [Abstract]
Inventories, net	March 31, 2023 2022 (In thousands) Truck and trailer parts and accessories (a) $ 150,319 $ 148,237 Hitches and towing components (b) 30,927 32,508 Moving supplies and propane (b) 18,222 16,623 Subtotal 199,468 197,368 Less: LIFO reserves (47,065) (37,400) Less: excess and obsolete reserves (929) (1,080) Total $ 151,474 $ 158,888

The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-URI https://asc.fasb.org/topic&trid=2126998

Name:	us-gaap_InventoryDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration