INVENTORIES (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Inventory Disclosure [Abstract]
Supplies	$ 40.2us-gaap_OtherInventorySupplies	$ 39.2us-gaap_OtherInventorySupplies	$ 42.5us-gaap_OtherInventorySupplies
Raw materials	63.6us-gaap_InventoryRawMaterials	63.3us-gaap_InventoryRawMaterials	74.0us-gaap_InventoryRawMaterials
Work in process	37.2us-gaap_InventoryWorkInProcess	31.8us-gaap_InventoryWorkInProcess	34.3us-gaap_InventoryWorkInProcess
Finished goods	141.1us-gaap_InventoryFinishedGoods	141.5us-gaap_InventoryFinishedGoods	116.2us-gaap_InventoryFinishedGoods
Inventory, gross	282.1us-gaap_InventoryGross	275.8us-gaap_InventoryGross	267.0us-gaap_InventoryGross
LIFO reserve	(66.0)us-gaap_InventoryLIFOReserve	(65.7)us-gaap_InventoryLIFOReserve	(79.4)us-gaap_InventoryLIFOReserve
Inventories, net	$ 216.1us-gaap_InventoryNet	$ 210.1us-gaap_InventoryNet	$ 187.6us-gaap_InventoryNet

Name:	us-gaap_InventoryDisclosureAbstract
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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

+ References

+ Details

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- Definition

Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

+ Details

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- Definition

Amount of difference between inventory at lower of LIFO cost or market and inventory at lower of other inventory accounting method cost or market, for example, but not limited to, FIFO or average cost.

+ References

+ Details

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.6(a))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

-SubTopic 10

-Section 35

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=51655945&loc=d3e3927-108312

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765

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

+ References

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- Definition

Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

+ References

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- Definition

Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Inventory

-URI http://asc.fasb.org/extlink&oid=6516093

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.6(a)(5))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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