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Accounting for Derivatives (Details 2) - Designated as a hedging instrument - Interest rate hedges - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Fair Value Asset (Liability) |  |
Total derivatives, Fair value | $ (5,984) | $ (4,396)
Intangible and other assets, net |  |
Fair Value Asset (Liability) |  |
Derivatives asset designated as hedging instruments, Fair value | 45 | 712
Accrued liabilities |  |
Fair Value Asset (Liability) |  |
Derivatives liability designated as hedging instruments, Fair value | (4,608) | (4,958)
Other long-term liabilities |  |
Fair Value Asset (Liability) |  |
Derivatives liability designated as hedging instruments, Fair value | $ (1,421) | $ (150)

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- Definition Fair value of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226052-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312 + Details
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- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + Details
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