Inventory (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Inventory [Line Items]
Percentage of LIFO Inventory	80.00%	85.00%
Excess of Replacement or Current Costs over Stated LIFO Value	$ 453,300,000	$ 492,800,000
Inventory, LIFO Reserve, Effect on Income, Net	5,200,000	0	$ 0
Inventory Valuation Reserves	23,700,000	17,900,000
Inventory Valuation Reserve [Member]
Inventory [Line Items]
Reserves for Obsolete Inventories, Period Increase (Decrease)	$ 5,800,000	$ 3,900,000	$ 5,400,000