Inventories (Summary Of Inventory) (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Inventory Disclosure [Abstract]
Finished products - First-In, First-Out ("FIFO") basis	$ 203.6	$ 259.2
Less: Last-In, First-Out ("LIFO") reserve - finished products	(86.3)	(160.8)
Finished products - LIFO basis	117.3	98.4
Store merchandise for resale	143.9	123.0
Materials and supplies	6.9	6.2
Total inventories	$ 268.1	$ 227.6

The amount of FIFO (first in first out) inventory present at the reporting date when inventory is also valued using different valuation methods.

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- References

No definition available.

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- Definition

Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods.

+ References

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-Publisher FASB
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- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

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-Publisher FASB
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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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The amount of LIFO (last in first out) inventory present at the reporting date when inventory is also valued using different valuation methods.

+ References

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- Definition

Carrying amount as of the balance sheet date of merchandise inventory purchased by a retailer, wholesaler or distributor and held for future sale.

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