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Note 3 - Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Inventory, Current [Table Text Block]

		Inventory as of
(in thousands)		March 31, 2013				December 31, 2012
Unprocessed		$	201,685			$	215,526
Processed and finished			73,500				74,497
Totals		$	275,185			$	290,023

X

- Definition

Tabular disclosure of the carrying 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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 2

-Paragraph 6

-Subparagraph a,b,c

-Article 5

+ Details

Name:	us-gaap_ScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration