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Inventories and natural gas in storage (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of:

	March 31, 2015			March 31, 2014			December 31, 2014
	(In thousands)
Aggregates held for resale	$	112,029		$	104,106		$	108,161
Asphalt oil	89,578			66,292			42,135
Materials and supplies	65,599			68,809			65,683
Merchandise for resale	15,688			22,463			24,420
Natural gas in storage (current)	9,303			6,129			19,302
Other	44,401			33,533			41,110
Total	$	336,598		$	301,332		$	300,811

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- 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 FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766



Reference 2: 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

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