2.4.0.81060 - Disclosure - Derivative Instruments and Hedging Activitiestruefalsefalse1false falsefalseD2013Q2YTDhttp://www.sec.gov/CIK0001344154duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Derivative Instruments and Hedging Activities2false 2us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="font-size:10.0pt;font-family:Times New Roman;FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;"> 6.              Derivative Instruments and Hedging Activities   The Company manages its exposure to changes in fuel prices and interest rates and, from time to time, uses highly effective derivative instruments to manage well-defined risk exposures. The Company monitors its positions and the credit ratings of its counterparties and does not anticipate non-performance by the counterparties. The Company does not use derivative instruments for speculative purposes.   At June 30, 2013, the Company was party to a series of fuel hedge transactions with a major financial institution under one master agreement. Each of the transactions effectively fixes the cost of diesel fuel at prices ranging from $3.63 to $4.02 per gallon. The Company purchases the diesel fuel at the market rate and periodically settles with its counterparty for the difference between the national average price for the period published by the Department of Energy and the agreed upon fixed price. The transactions fix the price for a total of 4.3 million gallons, which represents approximately 28.6% of the Company’s total estimated usage during the periods hedged, and are spread over periods from July 2013 through December 2014. As of June 30, 2013, the Company recorded, as a component of other comprehensive income before applicable tax impacts, an asset associated with the fair value of the fuel hedge in the amount of $0.3 million, compared to an asset of $0.6 million as of December 31, 2012. Settlement of hedge agreements are included in operating expenses and resulted in net receipts from the counterparty of $0.1 million and $0.3 million for each of the three and six month periods ended June 30, 2013, and $0.4 million and $0.8 million for each of the three and six month periods ended June 30, 2012.  Over the next 12 months, the Company expects to reclassify $0.2 million of deferred gain from AOCI as the related fuel hedge transactions mature.   In October 2011, the Company entered into interest rate swap agreements which mature on August 31, 2015.  The swap agreements are with major financial institutions and effectively convert a total of $400 million in variable rate debt to fixed rate debt with an effective rate of 4.49%.  The Company will continue to make interest payments based on the variable rate associated with the debt (based on LIBOR, but not less than 1.0%) and will periodically settle with its counterparties for the difference between the rate paid and the fixed rate. The Company recorded, as a component of other comprehensive income before applicable tax impacts, a liability associated with the fair value of the interest rate swap in the amount of $3.6 million as of June 30, 2013, compared to $4.6 million as of December 31, 2012.  Settlement of interest rate swap agreements are included in interest expense and resulted in net payments to the counterparties of $0.5 million and $1.0 million for each of the three and six month periods ended June 30, 2013. There were no payments made or received under these hedge agreements as of June 30, 2012. Over the next 12 months, the Company expects to reclassify $2.0 million of deferred loss from AOCI to interest expense as the related interest rate swap transactions mature.</div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for the entity's entire derivative instruments and hedging activities. Describes an entity's risk management strategies, derivatives in hedging activities and non-hedging derivative instruments, the assets, obligations, liabilities, revenues and expenses arising therefrom, and the amounts of and methodologies and assumptions used in determining the amounts of such items.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41638-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624181-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41635-113959 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6441202&loc=d3e80720-113993 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5708773-113959 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624258-113959 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(n)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. 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