Inventory (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Inventory [Line Items]
Percentage of LIFO Inventory	90.00%	91.00%
Excess of Replacement or Current Costs over Stated LIFO Value	$ 186.5	$ 188.8
Inventory, LIFO Reserve, Effect on Income, Net	0.0	0.0
Inventory Valuation Reserves	9.2	7.8
Inventory Valuation Reserve
Inventory [Line Items]
Reserves for Obsolete Inventories, Period Increase (Decrease)	$ 1.4	$ (1.4)	$ 2.7

The excess of replacement or current cost over the stated LIFO (last in first out) inventory value when the LIFO inventory method is utilized.

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-Publisher FASB
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- Definition

The difference between the change in the inventory reserve representing the cumulative difference in cost between the first in, first out and the last in, first out inventory valuation methods and any LIFO decrement which have been reflected in the statement of income during the period.

+ References

No definition available.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of valuation reserve for inventory.

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-SubTopic 10
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The percentage of LIFO (last in first out) inventory to total inventory as of the balance sheet date if other than 100 percent.

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Amount of increase (decrease) in valuation and qualifying accounts and reserves.

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