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Inventories

6 Months Ended

Jun. 30, 2017

Inventory, Net [Abstract]

Inventories

Inventories

Inventories consist of the following:
	June 30, 2017				December 31, 2016
Raw materials	$	80,134			$	59,415
Work-in-process	43,931				35,539
Finished goods	23,169				26,613
Operating and other supplies	107,377				111,996
Total inventories	$	254,611			$	233,563

Inventories are stated at the lower of cost or Net Realizable Value ("NRV") using the first-in, first-out ("FIFO") or the weighted average cost method.

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- Definition

The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.

+ 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)
-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 210
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766

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- References

No definition available.

+ Details

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