2.2.0.25falsefalse006060 - Disclosure - Property and Equipmenttruefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010
USD ($)
USD ($) / shares
$c00026http://www.sec.gov/CIK0000935494duration2010-01-01T00:00:002010-12-31T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u001Standardhttp://www.xbrl.org/2003/instancesharesxbrli0u002Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0nati_NotesToFinancialStatementsAbstractnatifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse| 1falsefalsefalse00falsefalsefalsefalsefalse | Otherxbrli:stringItemTypestringNo definition available.falsefalse
3false0us-gaap_PropertyPlantAndEquipmentDisclosureTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse| 1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Note 6 – Property and equipment</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 27pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">Property and equipment at December 31, 2010 and 2009, consist of the following (in thousands):</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div align="left"><table style="FONT-FAMILY: times new roman; FONT-SIZE: 10pt" cellspacing="0" cellpadding="0" width="100%"><tr><td valign="bottom"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">  </font></td><td valign="bottom"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold"> </font></td><td valign="bottom" colspan="2"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">December 31,</font></div></td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold"> </font></td><td valign="bottom"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold"> </font></td><td valign="bottom" colspan="2"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">December 31,</font></div></td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold"> </font></td></tr><tr><td style="PADDING-BOTTOM: 2px" valign="bottom"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">  </font></td><td style="PADDING-BOTTOM: 2px" valign="bottom"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold"> </font></td><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" colspan="2"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">2010</font></div></td><td style="TEXT-ALIGN: left; PADDING-BOTTOM: 2px" valign="bottom" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold"> </font></td><td style="PADDING-BOTTOM: 2px" valign="bottom"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold"> </font></td><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" colspan="2"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">2009</font></div></td><td style="TEXT-ALIGN: left; PADDING-BOTTOM: 2px" valign="bottom" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold"> </font></td></tr><tr><td valign="bottom"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">  </font></td><td valign="bottom"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td valign="bottom" colspan="2"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td valign="bottom"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td valign="bottom" colspan="2"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td></tr><tr bgcolor="#cceeff"><td valign="bottom" width="76%" align="left"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Land                                                                                             </font></div></td><td valign="bottom" width="1%" align="right"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">$</font></td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">17,760</font></td><td style="TEXT-ALIGN: left" valign="bottom" width="1%" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td valign="bottom" width="1%" align="right"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">$</font></td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">17,076</font></td><td style="TEXT-ALIGN: left" valign="bottom" width="1%" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td></tr><tr bgcolor="white"><td valign="bottom" width="76%" align="left"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Buildings                                                                                             </font></div></td><td valign="bottom" width="1%" align="right"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">142,037</font></td><td style="TEXT-ALIGN: left" valign="bottom" width="1%" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td valign="bottom" width="1%" align="right"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">138,367</font></td><td style="TEXT-ALIGN: left" valign="bottom" width="1%" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td></tr><tr bgcolor="#cceeff"><td style="PADDING-BOTTOM: 2px" valign="bottom" width="76%" align="left"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Furniture and equipment                                                                                             </font></div></td><td style="PADDING-BOTTOM: 2px" valign="bottom" width="1%" align="right"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left" valign="bottom" width="1%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right" valign="bottom" width="9%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">175,439</font></td><td style="TEXT-ALIGN: left; PADDING-BOTTOM: 2px" valign="bottom" width="1%" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="PADDING-BOTTOM: 2px" valign="bottom" width="1%" align="right"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left" valign="bottom" width="1%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right" valign="bottom" width="9%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">154,558</font></td><td style="TEXT-ALIGN: left; PADDING-BOTTOM: 2px" valign="bottom" width="1%" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td></tr><tr bgcolor="white"><td valign="bottom" width="76%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">  </font></td><td valign="bottom" width="1%" align="right"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">$</font></td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">335,236</font></td><td style="TEXT-ALIGN: left" valign="bottom" width="1%" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td valign="bottom" width="1%" align="right"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">$</font></td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">310,001</font></td><td style="TEXT-ALIGN: left" valign="bottom" width="1%" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td></tr><tr bgcolor="#cceeff"><td style="PADDING-BOTTOM: 2px" valign="bottom" width="76%" align="left"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Accumulated depreciation                                                                                             </font></div></td><td style="PADDING-BOTTOM: 2px" valign="bottom" width="1%" align="right"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left" valign="bottom" width="1%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right" valign="bottom" width="9%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">(174,826</font></td><td style="TEXT-ALIGN: left; PADDING-BOTTOM: 2px" valign="bottom" width="1%" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">)</font></td><td style="PADDING-BOTTOM: 2px" valign="bottom" width="1%" align="right"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left" valign="bottom" width="1%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right" valign="bottom" width="9%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">(156,736</font></td><td style="TEXT-ALIGN: left; PADDING-BOTTOM: 2px" valign="bottom" width="1%" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">)</font></td></tr><tr bgcolor="white"><td style="PADDING-BOTTOM: 4px" valign="bottom" width="76%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">  </font></td><td style="PADDING-BOTTOM: 4px" valign="bottom" width="1%" align="right"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left" valign="bottom" width="1%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">$</font></td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right" valign="bottom" width="9%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">160,410</font></td><td style="TEXT-ALIGN: left; PADDING-BOTTOM: 4px" valign="bottom" width="1%" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="PADDING-BOTTOM: 4px" valign="bottom" width="1%" align="right"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left" valign="bottom" width="1%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">$</font></td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right" valign="bottom" width="9%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">153,265</font></td><td style="TEXT-ALIGN: left; PADDING-BOTTOM: 4px" valign="bottom" width="1%" nowrap="nowrap"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"> </font></td></tr></table></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 27pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">Depreciation expense for the years ended December 31, 2010, 2009 and 2008, was $21.0 million, $22.3 million and $20.9 million, respectively.</font></div>Note 6 – Property and equipmentProperty and equipment at December 31, 2010 and 2009, consist of the following (in thousands):   Decemberfalsefalsefalsefalsefalse | Otherus-types:textBlockItemTypestringDisclosure of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, building and production equipment. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures. This element may be used as a single block of text to include the entire PPE disclosure, including data and tables.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 5
falsefalse
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