INVENTORIES - LIFO activity (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Inventory, LIFO Reserve, Rollforward [Roll Forward]
Balance, beginning of year	$ (47.4)		$ (71.8)	$ (49.9)	$ (82.2)
LIFO (expense) benefit	(2.0)		7.6	0.0	18.0
Allocated to divested businesses	0.0		0.0	0.5	0.0
Balance, end of period	$ (49.4)	$ (47.4)	$ (64.2)	$ (49.4)	$ (64.2)
External sales from divested operation		$ 10.0

Inventory, LIFO Reserve, Allocated to Divested Business

No definition available.

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- Definition

Inventory, LIFO Reserve, Rollforward

+ References

No definition available.

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- Definition

Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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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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- Definition

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, which change has been reflected in the statement of income during the period.

+ References

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