XML 50 R35.htm IDEA: XBRL DOCUMENT v3.3.1.900

Inventories (Tables)

12 Months Ended

Dec. 31, 2015

Inventory Disclosure [Abstract]

Summary of Inventory

Inventories consisted of the following:

		December 31,
(Thousands of dollars)		2015				2014
Finished products - FIFO basis		$	159,774			$	200,272
Less LIFO - finished products		(102,849		)		(144,283		)
Finished products - LIFO basis		56,925				55,989
Store merchandise for resale		94,925				98,712
Materials and supplies		4,056				2,345
Total inventories		$	155,906			$	157,046

X

- References

No definition available.

+ Details

Name:	us-gaap_InventoryDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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 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

+ Details

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