GOODWILL AND INTANGIBLE ASSETS: (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Changes in carrying amount of trademarks
Accumulated impairment losses of goodwill	$ 0
Trademarks
Changes in carrying amount of trademarks
Original cost	193,767	193,767
Accumulated impairment losses, balance at the beginning of the period	(18,743)	(18,743)
Carrying amount, balance at the beginning of the period	175,024	175,024	175,024
Carrying amount, balance at the end of the period	175,024	175,024	175,024
Accumulated impairment losses, balance at the end of the period	$ (18,743)	$ (18,743)

The amount of cumulative impairment losses resulting from the write-down of the carrying amount of an indefinite-lived intangible asset to its fair value.

No definition available.

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- Definition

Sum of the carrying amounts (original costs) as of the balance sheet date of intangible assets, excluding goodwill, having a projected indefinite period of benefit.

+ References

No definition available.

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- Definition

Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a,h)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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