Basis of Presentation (Policies)	6 Months Ended
Basis of Presentation (Policies)	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Inventory, Policy [Policy Text Block]	Inventory The Company uses the LIFO method of valuing U.S. inventories. An actual valuation of inventory under the LIFO method can be made only at the end of each year based on the inventory levels and costs at that time. Accordingly, interim LIFO calculations are based on management’s estimates of expected year-end inventory levels and costs and are subject to the final year-end LIFO inventory determination. LIFO expense of $4,675 and $863 in the three months ended December 31, 2021 and 2020, respectively, and $8,246 and $1,996 in the six months ended December 31, 2021 and 2020, respectively, is recorded in cost of sales in the condensed statements of income.

Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost.