2.2.0.7 false Long-Term Debt 0216 - Disclosure - Long-Term Debt true false false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 Long-Term Debt [Abstract] 0 us-gaap_LongtermDebtCurrentAndNoncurrentAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 3 Long-Term Debt 1 us-gaap_LongTermDebtTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0   <div style="font-family: 'Times New Roman',Times,serif"> <div align="justify" style="font-size: 10pt; margin-top: 12pt"><b>16.</b>          <b>Long-Term Debt</b> </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt">On December 4, 2009, NiSource Finance issued $500.0 million of 6.125% senior unsecured notes that mature March 1, 2022. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt">During November 2009, NiSource Finance redeemed $417.6 million of its floating rate notes. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt">On April 9, 2009, NiSource Finance closed a $385.0 million senior unsecured two-year bank term loan with a maturity of February 11, 2011. Borrowings under the bank term loan had an effective cost of LIBOR plus 538 basis points. Previously, on February 16, 2009, NiSource announced the initial closing of the bank term loan at the level of $265.0 million. Under an accordion feature, NiSource was able to increase the loan by $120.0 million prior to final closing. On December 7, 2009, this term loan was repaid with proceeds from the December 4, 2009, $500.0 million debt offering. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt">On March 31, 2009, NiSource Finance commenced a cash tender offer for up to $300.0 million aggregate principal amount of its outstanding 7.875% notes due 2010. On April 28, 2009, NiSource Finance announced that $250.6 million of these notes were successfully tendered. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt">On March 9, 2009, NiSource Finance issued $600.0 million of 10.75% unsecured notes that mature March 15, 2016. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt">During January 2009, NiSource repurchased $32.4 million of the $450.0 million floating rate notes that were scheduled to mature in November 2009 and $67.6 million of the $1.0 billion 7.875% unsecured notes scheduled to mature in November 2010. </div> </div>  <!-- Begin Block Tagged Note false false false us-types:textBlockItemType textblock This element may be used as a single block of text to encapsulate the entire disclosure for long-term borrowings including data and tables. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 false 1 2 false UnKnown UnKnown UnKnown false true