2.2.0.25falsefalse30303 - Disclosure - Debt (Tables)truefalsefalse1falsefalseUSDfalsefalse1/1/2011 - 3/31/2011 USD ($) USD ($) / shares $Duration_1_1_2011_To_3_31_2011http://www.sec.gov/CIK0001037016duration2011-01-01T00:00:002011-03-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit14Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2true0nihd_DebtAbstractnihdfalsenadurationDebt [Abstract]falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringDebt [Abstract]falsefalseDebt3false0nihd_ScheduleOfDebtDisclosureTextBlocknihdfalsenadurationSchedule Of Debt Disclosure [Text Block]falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div> <table style="font-family: 'Times New Roman', Times; background: none transparent scroll repeat 0% 0%; color: #000000; font-size: 10pt;" border="0" cellspacing="0" cellpadding="0" width="100%" align="center"> <tr style="font-size: 1pt;" valign="bottom"><td width="74%"> </td> <td width="2%"> </td> <td width="1%" align="right"> </td> <td width="8%" align="right"> </td> <td width="1%" align="left"> </td> <td width="3%"> </td> <td width="1%" align="right"> </td> <td width="9%" align="right"> </td> <td width="1%" align="left"> </td></tr> <tr style="font-size: 8pt;" valign="bottom" align="center"><td valign="bottom" nowrap="nowrap" align="center">  </td> <td>  </td> <td valign="bottom" colspan="2" nowrap="nowrap" align="center"><b>March 31,<br /></b></td> <td>  </td> <td>  </td> <td valign="bottom" colspan="2" nowrap="nowrap" align="center"><b>December 31,<br /></b></td> <td>  </td></tr> <tr style="font-size: 8pt;" valign="bottom" align="center"><td valign="bottom" nowrap="nowrap" align="center">  </td> <td>  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center"><b>2011</b> </td> <td>  </td> <td>  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center"><b>2010</b> </td> <td>  </td></tr> <tr style="font-size: 8pt;" valign="bottom" align="center"><td valign="bottom" nowrap="nowrap" align="center">  </td> <td>  </td> <td valign="bottom" colspan="6" align="center"><b>(in thousands)</b> </td> <td>  </td></tr> <tr style="line-height: 3pt; font-size: 1pt;"><td>  </td></tr> <tr style="background: #cceeff;" valign="bottom"><td valign="bottom" align="left"> <div style="text-indent: -10pt; margin-left: 10pt;"><b>Senior notes, net</b> </div></td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">$ </td> <td valign="bottom" nowrap="nowrap" align="right">2,030,148 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">$ </td> <td valign="bottom" nowrap="nowrap" align="right">1,279,524 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td></tr> <tr valign="bottom"><td valign="bottom" align="left"> <div style="text-indent: -10pt; margin-left: 10pt;"><b>Convertible notes, net</b> </div></td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">1,052,909 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">1,043,236 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td></tr> <tr style="background: #cceeff;" valign="bottom"><td valign="bottom" align="left"> <div style="text-indent: -10pt; margin-left: 10pt;"><b>Syndicated loan facilities</b> </div></td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">432,625 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">458,964 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td></tr> <tr valign="bottom"><td valign="bottom" align="left"> <div style="text-indent: -10pt; margin-left: 10pt;"><b>Tower financing obligations</b> </div></td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">178,742 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">175,932 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td></tr> <tr style="background: #cceeff;" valign="bottom"><td valign="bottom" align="left"> <div style="text-indent: -10pt; margin-left: 10pt;"><b>Capital lease obligations</b> </div></td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">118,842 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">114,303 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td></tr> <tr valign="bottom"><td valign="bottom" align="left"> <div style="text-indent: -10pt; margin-left: 10pt;"><b>Brazil import financing</b> </div></td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">154,753 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">128,094 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td></tr> <tr style="background: #cceeff;" valign="bottom"><td valign="bottom" nowrap="nowrap" align="left"> <div style="text-indent: -10pt; margin-left: 10pt;"><b>Other</b> </div></td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">100,455 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">65,365 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td></tr> <tr style="font-size: 1pt;" valign="bottom"><td>  </td> <td>  </td> <td style="border-top: #000000 1px solid;">  </td> <td style="border-top: #000000 1px solid;">  </td> <td>  </td> <td>  </td> <td style="border-top: #000000 1px solid;">  </td> <td style="border-top: #000000 1px solid;">  </td> <td>  </td></tr> <tr valign="bottom"><td valign="bottom" nowrap="nowrap" align="left"> <div style="text-indent: -10pt; margin-left: 10pt;">Total debt </div></td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">4,068,474 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">3,265,418 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td></tr> <tr style="background: #cceeff;" valign="bottom"><td valign="bottom" align="left"> <div style="text-indent: -10pt; margin-left: 10pt;">Less: current portion </div></td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">(491,975 </td> <td valign="bottom" nowrap="nowrap" align="left">) </td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td valign="bottom" nowrap="nowrap" align="right">(446,995 </td> <td valign="bottom" nowrap="nowrap" align="left">) </td></tr> <tr style="font-size: 1pt;" valign="bottom"><td>  </td> <td>  </td> <td style="border-top: #000000 1px solid;">  </td> <td style="border-top: #000000 1px solid;">  </td> <td>  </td> <td>  </td> <td style="border-top: #000000 1px solid;">  </td> <td style="border-top: #000000 1px solid;">  </td> <td>  </td></tr> <tr valign="bottom"><td valign="bottom" nowrap="nowrap" align="left">  </td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">$ </td> <td valign="bottom" nowrap="nowrap" align="right">3,576,499 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td> <td>  </td> <td valign="bottom" nowrap="nowrap" align="left">$ </td> <td valign="bottom" nowrap="nowrap" align="right">2,818,423 </td> <td valign="bottom" nowrap="nowrap" align="left">  </td></tr> <tr style="font-size: 1pt;" valign="bottom"><td>  </td> <td>  </td> <td style="border-top: #000000 3px double;">  </td> <td style="border-top: #000000 3px double;">  </td> <td>  </td> <td>  </td> <td style="border-top: #000000 3px double;">  </td> <td style="border-top: #000000 3px double;">  </td></tr></table> </div>                      March 31,     December 31,       2011falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSchedule Of Debt Disclosure [Text Block]No authoritative reference available.falsefalseDebt4false0nihd_ScheduleOfRedemptionPricesPriorToMaturityTextBlocknihdfalsenadurationSchedule Of Redemption Prices Prior To Maturity Text Blockfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table style="font-size: 10pt;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr valign="bottom"><td width="88%"> </td> <td width="5%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="3%"> </td></tr> <tr style="font-size: 8pt;" valign="bottom"><td> </td> <td> </td> <td colspan="3" nowrap="nowrap" align="center"><b>Redemption</b></td></tr> <tr style="font-size: 8pt;" valign="bottom"><td style="border-bottom: #000000 1px solid;" nowrap="nowrap" align="left"><b>Year</b></td> <td> </td> <td style="border-bottom: #000000 1px solid;" colspan="3" nowrap="nowrap" align="center"><b>Price</b></td></tr> <tr style="background: #cceeff;" valign="bottom"><td> <div style="text-indent: -15px; margin-left: 15px;">2016</div></td> <td> </td> <td nowrap="nowrap" align="right"> </td> <td align="right">103.813</td> <td nowrap="nowrap">%</td></tr> <tr valign="bottom"><td> <div style="text-indent: -15px; margin-left: 15px;">2017</div></td> <td> </td> <td nowrap="nowrap" align="right"> </td> <td align="right">102.541</td> <td nowrap="nowrap">%</td></tr> <tr style="background: #cceeff;" valign="bottom"><td> <div style="text-indent: -15px; margin-left: 15px;">2018</div></td> <td> </td> <td nowrap="nowrap" align="right"> </td> <td align="right">101.271</td> <td nowrap="nowrap">%</td></tr> <tr valign="bottom"><td> <div style="text-indent: -15px; margin-left: 15px;">2019 and thereafter</div></td> <td> </td> <td nowrap="nowrap" align="right"> </td> <td align="right">100.000</td> <td nowrap="nowrap">%</td></tr></table> </div>              Redemption Year   Price 2016     103.813 % 2017     102.541 % 2018    falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSchedule Of Redemption Prices Prior To Maturity Text BlockNo authoritative reference available.falsefalseRedemption Prices Prior to Maturity5false0nihd_ScheduleOfDebtAndEquityComponentsRecognizedForConvertibleNotesTextBlocknihdfalsenadurationSchedule of Debt and Equity Components Recognized for Convertible Notes [Text Block]falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table style="font-size: 10pt;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr valign="bottom"><td width="76%"> </td> <td width="5%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="3%"> </td> <td width="5%"> </td> <td style="width: 55px;" width="3%"> </td> <td width="1%"> </td> <td width="3%"> </td></tr> <tr style="font-size: 8pt;" valign="bottom"><td> </td> <td> </td> <td style="border-bottom: #000000 1px solid;" colspan="3" nowrap="nowrap" align="center"><b>March 31, 2011</b></td> <td> </td> <td style="border-bottom: #000000 1px solid;" colspan="3" nowrap="nowrap" align="center"><b>December 31, 2010</b></td></tr> <tr style="font-size: 8pt;" valign="bottom"><td> </td> <td> </td> <td colspan="3" nowrap="nowrap" align="center"><b>3.125% Notes</b></td> <td> </td> <td colspan="3" nowrap="nowrap" align="center"><b>3.125% Notes</b></td></tr> <tr style="font-size: 8pt;" valign="bottom"><td> </td> <td> </td> <td style="border-bottom: #000000 1px solid;" colspan="3" nowrap="nowrap" align="center"><b>due 2012</b></td> <td> </td> <td style="border-bottom: #000000 1px solid;" colspan="3" nowrap="nowrap" align="center"><b>due 2012</b></td></tr> <tr style="background: #cceeff;" valign="bottom"><td> <div style="text-indent: -15px; margin-left: 15px;">Principal amount of convertible notes</div></td> <td> </td> <td align="left"> <p align="right">$</p></td> <td colspan="2" align="right">1,100,000</td> <td> </td> <td align="left"> <p align="right">$</p></td> <td colspan="2" align="right">1,100,000</td></tr> <tr valign="bottom"><td> <div style="text-indent: -15px; margin-left: 15px;">Unamortized discount on convertible notes</div></td> <td> </td> <td> </td> <td colspan="2" align="right">47,091</td> <td> </td> <td> </td> <td colspan="2" align="right">56,764</td></tr> <tr style="background: #cceeff;" valign="bottom"><td> <div style="text-indent: -15px; margin-left: 15px;">Net carrying amount of convertible notes</div></td> <td> </td> <td> </td> <td colspan="2" align="right">1,052,909</td> <td> </td> <td> </td> <td colspan="2" align="right">1,043,236</td></tr> <tr valign="bottom"><td> <div style="text-indent: -15px; margin-left: 15px;">Carrying amount of equity component</div></td> <td> </td> <td> </td> <td colspan="2" align="right">193,941</td> <td> </td> <td> </td> <td colspan="2" align="right">193,941</td></tr></table> </div>                      March 31, 2011   December 31, 2010     3.125% Notes   3.125%falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSchedule of Debt and Equity Components Recognized for Convertible Notes [Text Block]No authoritative reference available.falsefalseDebt and Equity Components Recognized6false0nihd_ScheduleOfInterestExpensesRecognizedForConvertibleNotesTextBlocknihdfalsenadurationSchedule of Interest Expenses Recognized for Convertible Notes [Text Block]falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table style="font-size: 10pt;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr valign="bottom"><td width="64%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td> <td width="5%"> </td> <td width="1%"> </td></tr> <tr style="font-size: 8pt;" valign="bottom"><td> </td> <td> </td> <td style="border-bottom: #000000 1px solid;" colspan="10" nowrap="nowrap" align="center"><b>Three Months Ended March 31,</b></td> <td> </td></tr> <tr style="font-size: 8pt;" valign="bottom"><td> </td> <td> </td> <td style="border-bottom: #000000 1px solid;" colspan="2" nowrap="nowrap" align="center"><b>2011</b></td> <td style="border-bottom: #000000 1px solid;"> </td> <td style="border-bottom: #000000 1px solid;"> </td> <td style="border-bottom: #000000 1px solid;" colspan="2" nowrap="nowrap" align="center"><b>2010</b></td> <td style="border-bottom: #000000 1px solid;"> </td> <td style="border-bottom: #000000 1px solid;"> </td> <td style="border-bottom: #000000 1px solid;" colspan="2" nowrap="nowrap" align="center"> </td> <td> </td></tr> <tr style="font-size: 8pt;" valign="bottom"><td> </td> <td> </td> <td colspan="2" nowrap="nowrap" align="center"><b>3.125% Notes</b></td> <td> </td> <td> </td> <td colspan="2" nowrap="nowrap" align="center"><b>3.125% Notes</b></td> <td> </td> <td> </td> <td colspan="2" nowrap="nowrap" align="center"><b>2.75% Notes</b></td> <td> </td></tr> <tr style="font-size: 8pt;" valign="bottom"><td> </td> <td> </td> <td style="border-bottom: #000000 1px solid;" colspan="2" nowrap="nowrap" align="center"><b>due 2012</b></td> <td> </td> <td> </td> <td style="border-bottom: #000000 1px solid;" colspan="2" nowrap="nowrap" align="center"><b>due <font class="_mt">2012</font></b></td> <td> </td> <td> </td> <td style="border-bottom: #000000 1px solid;" colspan="2" nowrap="nowrap" align="center"><b>due <font class="_mt">2025</font></b></td> <td> </td></tr> <tr style="background: #cceeff;" valign="bottom"><td> <div style="text-indent: -15px; margin-left: 15px;">Contractual coupon interest</div></td> <td> </td> <td align="left">$</td> <td align="right">8,594</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">9,375</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">2,406</td> <td> </td></tr> <tr valign="bottom"><td> <div style="text-indent: -15px; margin-left: 15px;">Amortization of discount on convertible notes</div></td> <td> </td> <td> </td> <td align="right">9,674</td> <td> </td> <td> </td> <td> </td> <td align="right">9,849</td> <td> </td> <td> </td> <td> </td> <td align="right">3,013</td> <td> </td></tr> <tr style="font-size: 1px;"><td> <div style="text-indent: -15px; margin-left: 15px;"> </div></td> <td> </td> <td style="border-top: #000000 1px solid;" colspan="2" nowrap="nowrap" align="right"> </td> <td> </td> <td> </td> <td style="border-top: #000000 1px solid;" colspan="2" nowrap="nowrap" align="right"> </td> <td> </td> <td> </td> <td style="border-top: #000000 1px solid;" colspan="2" nowrap="nowrap" align="right"> </td> <td> </td></tr> <tr style="background: #cceeff;" valign="bottom"><td> <div style="text-indent: -15px; margin-left: 15px;">Interest expense, net</div></td> <td> </td> <td align="left">$</td> <td align="right">18,268</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">19,224</td> <td> </td> <td> </td> <td align="left">$</td> <td align="right">5,419</td> <td> </td></tr> <tr style="font-size: 1px;"><td> <div style="text-indent: -15px; margin-left: 15px;"> </div></td> <td> </td> <td style="border-top: #000000 3px double;" colspan="2" nowrap="nowrap" align="right"> </td> <td> </td> <td> </td> <td style="border-top: #000000 3px double;" colspan="2" nowrap="nowrap" align="right"> </td> <td> </td> <td> </td> <td style="border-top: #000000 3px double;" colspan="2" nowrap="nowrap" align="right"> </td> <td> </td></tr> <tr valign="bottom"><td> <div style="text-indent: -15px; margin-left: 15px;">Effective interest rate on convertible notes</div></td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">7.15</td> <td nowrap="nowrap">%</td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">7.15</td> <td nowrap="nowrap">%</td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">6.45</td> <td nowrap="nowrap">%</td></tr> <tr style="font-size: 1px;"><td> <div style="text-indent: -15px; margin-left: 15px;"> </div></td> <td> </td> <td style="border-top: #000000 3px double;" colspan="2" nowrap="nowrap" align="right"> </td> <td> </td> <td> </td> <td style="border-top: #000000 3px double;" colspan="2" nowrap="nowrap" align="right"> </td> <td> </td> <td> </td> <td style="border-top: #000000 3px double;" colspan="2" nowrap="nowrap" align="right"> </td> <td> </td></tr></table> </div>                              Three Months Ended MarchfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSchedule of Interest Expenses Recognized for Convertible Notes [Text Block]No authoritative reference available.falsefalseInterest Expenses Recognized15Debt (Tables)UnKnownUnKnownUnKnownUnKnownfalsetrue