2.4.0.81090 - Disclosure - Derivative Financial Instrumentstruefalsefalse1false falsefalseD2013Q2YTDhttp://www.sec.gov/CIK0000837173duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Derivative Financial Instruments2false 2us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="font-size:10.0pt;font-family:Times New Roman;"> Note 9—Derivative Financial Instruments Interest Rate Swaps         On June 27, 2011, the Company entered into an interest rate swap agreement with a notional value of $450.0 million. The objective of the swap is to protect against the variability in expected future cash flows attributable to changes in the benchmark interest rate related to interest payments required under the 2011 Credit Agreement. The interest rate on the debt is subject to change due to fluctuations in the benchmark interest rate of 3-month LIBOR. The structure of the hedge is a three year amortizing interest rate swap based on a 1.17% fixed rate with quarterly fixed rate and floating rate payment dates beginning on July 18, 2011. The hedge will be settled upon maturity and is being accounted for as a cash flow hedge. Changes in the fair value of the hedge that take place through the date of maturity are reported in accumulated other comprehensive income (loss) and reclassified into earnings in the same period or periods during which the hedged transactions affect earnings.         On December 30, 2008, the Company entered into an interest rate hedge agreement with a notional value of $31.5 million. The objective of the hedge is to protect against the variability in expected future cash flows attributable to changes in the benchmark interest rate related to 62 of the 64 monthly interest payments required under an equipment financing arrangement for a new longwall shield system entered into on October 21, 2008. The interest rate on the debt is subject to change due to fluctuations in the benchmark interest rate of 1-month LIBOR. The structure of the hedge is a 62 month amortizing interest rate swap based on a 1.84% fixed rate with monthly fixed rate and floating rate payment dates beginning on February 1, 2009. The hedge will be settled upon maturity and is being accounted for as a cash flow hedge. Changes in the fair value of the hedge that take place through the date of maturity are reported in accumulated other comprehensive income (loss) and reclassified into earnings in the same period or periods during which the hedged transactions affect earnings. Interest Rate Cap         On June 27, 2011, the Company entered into an interest rate cap agreement related to interest payments required under the 2011 Credit Agreement with a notional value of $255.0 million. The objective of the cap is to protect against the variability in expected future cash flows attributable to changes in the benchmark interest rate above 2.00%. The interest rate on the debt is subject to change due to fluctuations in the benchmark interest rate of 3-month LIBOR. The structure of the hedge is a three year amortizing interest rate cap based on a strike price of 2.00% with quarterly fixed rate and floating rate payment dates beginning on July 7, 2011. The hedge will be settled upon maturity and is being accounted for as a cash flow hedge. Changes in the fair value of the hedge that take place through the date of maturity are reported in accumulated other comprehensive income (loss) and reclassified into earnings in the same period or periods during which the hedged transactions affect earnings. Natural Gas Hedge         Revenues derived from the sale of natural gas are subject to volatility based on changes in market prices. In order to reduce the risk associated with natural gas price volatility, on June 7, 2011 the Company entered into a one year swap contract to hedge 4.2 million MMBTUs of natural gas sales beginning in July 2011 and ending June 2012, at a price of $5.00 per MMBTU. The swap agreement hedged approximately 30% of anticipated natural gas sales from July 2011 until June 2012. The hedge was settled upon maturity and was accounted for as a cash flow hedge. The Company did not have any commodity hedges outstanding at June 30, 2013.         The following table presents the fair values of the Company's derivative instruments as well as their classification within the Condensed Consolidated Balance Sheets (in thousands). See Note 11 for additional information related to the fair values of our derivative instruments. <div style="POSITION: relative; PADDING-BOTTOM: 0pt; PADDING-LEFT: 0pt; WIDTH: 70%; PADDING-RIGHT: 0pt; MARGIN-LEFT: 15%; PADDING-TOP: 0pt;">   <div align="center"> <table border="0" cellspacing="0" cellpadding="0" width="100%" style="text-align:left;"> <tr style="padding:0;"> <td style="FONT-FAMILY: times;" align="left"></td> <td style="FONT-FAMILY: times;" width="12"></td> <td style="FONT-FAMILY: times;" width="7" align="right"></td> <td style="FONT-FAMILY: times;" width="41"></td> <td style="FONT-FAMILY: times;" width="12"></td> <td style="FONT-FAMILY: times;" width="7" align="right"></td> <td style="FONT-FAMILY: times;" width="64"></td> <td style="FONT-FAMILY: times;" width="12"></td></tr> <tr style="padding:0;" valign="bottom"> <th style="FONT-FAMILY: times;" align="left">  </th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="2" align="center">June 30, 2013</th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="2" align="center">December 31, 2012</th> <th style="FONT-FAMILY: times;"> </th></tr> <tr style="padding:0;" valign="bottom" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;"> Asset derivatives designated as cash flow hedging instruments:</td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;"> </td></tr> <tr style="padding:0;" valign="bottom" bgcolor="white"> <td style="FONT-FAMILY: times;"> Interest rate cap(1)</td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;" align="right">$</td> <td style="FONT-FAMILY: times;" align="right">6</td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;" align="right">$</td> <td style="FONT-FAMILY: times;" align="right">12</td> <td style="FONT-FAMILY: times;"> </td></tr> <tr style="padding:0; FONT-SIZE: 1.5pt;" valign="top"> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0;" valign="bottom" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;"> Total asset derivatives</td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;" align="right">$</td> <td style="FONT-FAMILY: times;" align="right">6</td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;" align="right">$</td> <td style="FONT-FAMILY: times;" align="right">12</td> <td style="FONT-FAMILY: times;"> </td></tr> <tr style="padding:0; FONT-SIZE: 1.5pt;" valign="top"> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 2.25pt double; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 2.25pt double; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0;" valign="bottom" bgcolor="white"> <td style="FONT-FAMILY: times;"> Liability derivatives designated as cash flow hedging instruments:</td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;"> </td></tr> <tr style="padding:0;" valign="bottom" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;"> Interest rate swaps(2)</td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;" align="right">$</td> <td style="FONT-FAMILY: times;" align="right">4,693</td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;" align="right">$</td> <td style="FONT-FAMILY: times;" align="right">6,615</td> <td style="FONT-FAMILY: times;"> </td></tr> <tr style="padding:0; FONT-SIZE: 1.5pt;" valign="top"> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0;" valign="bottom" bgcolor="white"> <td style="FONT-FAMILY: times;"> Total liability derivatives</td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;" align="right">$</td> <td style="FONT-FAMILY: times;" align="right">4,693</td> <td style="FONT-FAMILY: times;"> </td> <td style="FONT-FAMILY: times;" align="right">$</td> <td style="FONT-FAMILY: times;" align="right">6,615</td> <td style="FONT-FAMILY: times;"> </td></tr> <tr style="padding:0; FONT-SIZE: 1.5pt;" valign="top"> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 2.25pt double; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 2.25pt double; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr></table></div>  <hr style="COLOR: #000000;" align="left" size="1" width="26%" noshade="noshade" /></div> <div style="POSITION: relative; TEXT-ALIGN: left; PADDING-BOTTOM: 0pt; PADDING-LEFT: 0pt; PADDING-RIGHT: 0pt; MARGIN-LEFT: 15%; PADDING-TOP: 0pt;"> <dl compact="compact"> <dt style="FONT-FAMILY: times; MARGIN-BOTTOM: -11pt;">(1)</dt> <dd style="FONT-FAMILY: times;">$5 thousand and $8 thousand are included in other current assets and $1 thousand and $4 thousand are included in other long-term assets within the Condensed Consolidated Balance Sheets as of June 30, 2013 and December 31, 2012, respectively. </dd> <dt style="FONT-FAMILY: times; MARGIN-BOTTOM: -11pt;">(2)</dt> <dd style="FONT-FAMILY: times;">$4.3 million and $4.1 million are included within other current liabilities and $0.4 million and $2.5 million are included within other long-term liabilities in the Condensed Consolidated Balance Sheets as of June 30, 2013 and December 31, 2012, respectively.</dd></dl></div>         The following tables present the gains and losses from derivative instruments for the three and six months ended June 30, 2013 and 2012 and their location within the condensed consolidated financial statements (in thousands). The Company utilizes only cash flow hedges that are considered highly effective. <div style="POSITION: relative; PADDING-BOTTOM: 0pt; PADDING-LEFT: 0pt; WIDTH: 70%; PADDING-RIGHT: 0pt; MARGIN-LEFT: 15%; PADDING-TOP: 0pt;">   <div align="center"> <table border="0" cellspacing="0" cellpadding="0" width="100%" style="text-align:left;"> <tr style="padding:0;"> <td style="FONT-FAMILY: times;" align="left"></td> <td style="FONT-FAMILY: times;" width="12"></td> <td style="FONT-FAMILY: times;" width="7" align="right"></td> <td style="FONT-FAMILY: times;" width="45"></td> <td style="FONT-FAMILY: times;" width="12"></td> <td style="FONT-FAMILY: times;" width="7" align="right"></td> <td style="FONT-FAMILY: times;" width="45"></td> <td style="FONT-FAMILY: times;" width="12"></td> <td style="FONT-FAMILY: times;" width="7" align="right"></td> <td style="FONT-FAMILY: times;" width="45"></td> <td style="FONT-FAMILY: times;" width="12"></td> <td style="FONT-FAMILY: times;" width="7" align="right"></td> <td style="FONT-FAMILY: times;" width="45"></td> <td style="FONT-FAMILY: times;" width="12"></td></tr> <tr style="padding:0;" valign="bottom"> <th style="FONT-FAMILY: times;" align="left">  </th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="5" align="center">Gain (loss), net of tax, recognized in accumulated other comprehensive income (loss)</th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="5" align="center">Gain (loss), net of tax, reclassified from accumulated other comprehensive income (loss) to earnings(1)(2)</th> <th style="FONT-FAMILY: times;"> </th></tr> <tr style="padding:0;" valign="bottom"> <th style="FONT-FAMILY: times;" align="left">  </th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="5" align="center">Three months ended June 30,</th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="5" align="center">Three months ended June 30,</th> <th style="FONT-FAMILY: times;"> </th></tr> <tr style="padding:0;" valign="bottom"> <th style="FONT-FAMILY: times;" nowrap="nowrap" align="left"> <div style="BORDER-BOTTOM: #000000 1pt solid; WIDTH: 199pt; MARGIN-BOTTOM: 0pt;">Derivatives designated as cash flow hedging instruments </div></th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="2" align="center">2013</th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="2" align="center">2012</th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="2" align="center">2013</th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="2" align="center">2012</th> <th style="FONT-FAMILY: times;"> </th></tr> <tr style="padding:0;" valign="top" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;" valign="bottom"> Natural gas hedges</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">—</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(3,666</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">—</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">1,837</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0;" valign="top" bgcolor="white"> <td style="FONT-FAMILY: times;" valign="bottom"> Interest rate swaps</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">1,142</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">390</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(614</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(460</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td></tr> <tr style="padding:0;" valign="top" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;" valign="bottom"> Interest rate cap</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(2</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(88</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">—</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">—</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0; FONT-SIZE: 1.5pt;" valign="top"> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0;" valign="top" bgcolor="white"> <td style="FONT-FAMILY: times;" valign="bottom"> Total</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">1,140</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(3,364</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(614</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">1,377</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0; FONT-SIZE: 1.5pt;" valign="top"> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 2.25pt double; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 2.25pt double; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 2.25pt double; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 2.25pt double; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr></table></div> </div>   <div style="POSITION: relative; PADDING-BOTTOM: 0pt; PADDING-LEFT: 0pt; WIDTH: 70%; PADDING-RIGHT: 0pt; MARGIN-LEFT: 15%; PADDING-TOP: 0pt;">   <div align="center"> <table border="0" cellspacing="0" cellpadding="0" width="100%" style="text-align:left;"> <tr style="padding:0;"> <td style="FONT-FAMILY: times;" align="left"></td> <td style="FONT-FAMILY: times;" width="12"></td> <td style="FONT-FAMILY: times;" width="7" align="right"></td> <td style="FONT-FAMILY: times;" width="45"></td> <td style="FONT-FAMILY: times;" width="12"></td> <td style="FONT-FAMILY: times;" width="7" align="right"></td> <td style="FONT-FAMILY: times;" width="45"></td> <td style="FONT-FAMILY: times;" width="12"></td> <td style="FONT-FAMILY: times;" width="7" align="right"></td> <td style="FONT-FAMILY: times;" width="45"></td> <td style="FONT-FAMILY: times;" width="12"></td> <td style="FONT-FAMILY: times;" width="7" align="right"></td> <td style="FONT-FAMILY: times;" width="45"></td> <td style="FONT-FAMILY: times;" width="12"></td></tr> <tr style="padding:0;" valign="bottom"> <th style="FONT-FAMILY: times;" align="left">  </th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="5" align="center">Gain (loss), net of tax, recognized in accumulated other comprehensive income (loss)</th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="5" align="center">Gain (loss), net of tax, reclassified from accumulated other comprehensive income (loss) to earnings(1)(2)</th> <th style="FONT-FAMILY: times;"> </th></tr> <tr style="padding:0;" valign="bottom"> <th style="FONT-FAMILY: times;" align="left">  </th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="5" align="center">Six months ended June 30,</th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="5" align="center">Six months ended June 30,</th> <th style="FONT-FAMILY: times;"> </th></tr> <tr style="padding:0;" valign="bottom"> <th style="FONT-FAMILY: times;" nowrap="nowrap" align="left"> <div style="BORDER-BOTTOM: #000000 1pt solid; WIDTH: 199pt; MARGIN-BOTTOM: 0pt;">Derivatives designated as cash flow hedging instruments </div></th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="2" align="center">2013</th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="2" align="center">2012</th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="2" align="center">2013</th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="2" align="center">2012</th> <th style="FONT-FAMILY: times;"> </th></tr> <tr style="padding:0;" valign="top" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;" valign="bottom"> Natural gas hedges</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">—</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(5,798</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">—</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">3,279</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0;" valign="top" bgcolor="white"> <td style="FONT-FAMILY: times;" valign="bottom"> Interest rate swaps</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">2,482</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">493</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(1,230</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(1,025</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td></tr> <tr style="padding:0;" valign="top" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;" valign="bottom"> Interest rate cap</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(4</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(219</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">—</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">—</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0; FONT-SIZE: 1.5pt;" valign="top"> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0;" valign="top" bgcolor="white"> <td style="FONT-FAMILY: times;" valign="bottom"> Total</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">2,478</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(5,524</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(1,230</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">2,254</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0; FONT-SIZE: 1.5pt;" valign="top"> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 2.25pt double; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 2.25pt double; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 2.25pt double; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 2.25pt double; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr></table></div>  <hr style="COLOR: #000000;" align="left" size="1" width="26%" noshade="noshade" /></div> <div style="POSITION: relative; TEXT-ALIGN: left; PADDING-BOTTOM: 0pt; PADDING-LEFT: 0pt; PADDING-RIGHT: 0pt; MARGIN-LEFT: 15%; PADDING-TOP: 0pt;"> <dl compact="compact"> <dt style="FONT-FAMILY: times; MARGIN-BOTTOM: -11pt;">(1)</dt> <dd style="FONT-FAMILY: times;">Natural gas hedge amounts are recorded within miscellaneous income in the Condensed Consolidated Statements of Operations. </dd> <dt style="FONT-FAMILY: times; MARGIN-BOTTOM: -11pt;">(2)</dt> <dd style="FONT-FAMILY: times;">Interest rate swap amounts are recorded within interest expense in the Condensed Consolidated Statements of Operations.</dd></dl></div> </div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for the entity's entire derivative instruments and hedging activities. 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