Inventory, Net Realizable Value Reserve, Period Charge

No definition available.

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- Definition

Lifo Provision Benefit and Change in Debit LIFO NRV reserve, net

+ References

No definition available.

+ Details

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- Definition

The effect of liquidating LIFO (last in first out) inventory layers on income.

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

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-Publisher FASB
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-Topic 330
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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

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- Definition

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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Balance Type:	debit
Period Type:	instant

- 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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Period Type:	instant

- 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

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- References

No definition available.

+ Details

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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

+ 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

+ Details

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Period Type:	instant

- Definition

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

+ References

+ Details

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- Definition

Amount of valuation reserve for inventory.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section S99
-Paragraph 2
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+ Details

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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

+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766

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- Definition

Amount of advances received from customers under long-term contracts which have been offset against inventories accounts at the balance sheet date.

+ References

+ Details

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- Definition

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.

+ References

No definition available.

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- Definition

Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to costs and expenses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
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Inventories (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
Inventories (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Raw materials and supplies			$ 162.8	$ 149.6
Work-in-process			955.5	837.9
Finished goods			165.0	161.7
Total inventories at current cost			1,283.3	1,149.2
Adjustment from current cost to LIFO cost basis			43.1	97.3
Inventory valuation reserves			(121.5)	(169.0)
Progress payments			(28.8)	(40.5)
Total inventories, net			1,176.1	1,037.0
LIFO Inventory Amount			821.2	736.3
Inventory, LIFO Reserve, Effect on Income, Net [Abstract]
LIFO benefit (charge)			(54.2)	(39.1)	$ 131.6
NRV benefit (charge)			54.0	39.9	(131.5)
Net cost of sale impact			(0.2)	0.8	0.1
Effect of LIFO liquidation on income			$ 4.6	61.5	9.6
Industrial titanium products [Member] \| Inventory Valuation Reserve [Member]
Inventory, LIFO Reserve, Effect on Income, Net [Abstract]
Inventory valuation charges				$ 17.7	$ 24.5
Titanium sponge inventory [Member] \| Inventory Valuation Reserve [Member]
Inventory, LIFO Reserve, Effect on Income, Net [Abstract]
Inventory valuation charges	$ 11.3
Non-PQ grade titanium sponge [Member] \| Inventory Valuation Reserve [Member]
Inventory, LIFO Reserve, Effect on Income, Net [Abstract]
Inventory valuation charges		$ 25.4