2.2.0.7 false Property, Plant and Equipment 0209 - Disclosure - Property, Plant and Equipment 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 $ 2 Property, Plant and Equipment [Abstract] 0 us-gaap_PropertyPlantAndEquipmentAbstract 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 Property, Plant and Equipment 1 us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock 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; margin-left: .05in; width: 7.50in"> <div align="justify" style="font-size: 10pt; margin-top: 10pt"><b>9. Property, Plant and Equipment</b> </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">The major classes of property, plant and equipment at March 31, 2010 and 2009, are as follows: </div> <div align="center"> <table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">  <tr valign="bottom"> <td width="58%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="9%"> </td> <td width="1%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="9%"> </td> <td width="1%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="9%"> </td> <td width="1%"> </td> </tr> <tr style="font-size: 10pt" valign="bottom"> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="2">Thousands of</td> <td> </td> </tr> <tr style="font-size: 10pt" valign="bottom"> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="6" style="border-bottom: 1px solid #000000">Millions of yen</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000">U.S. dollars</td> <td> </td> </tr> <tr style="font-size: 10pt" valign="bottom"> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>2010</b></td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000">2009</td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>2010</b></td> <td> </td> </tr>   <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:15px; text-indent:-15px">Land </div></td> <td> </td> <td align="left"><b>¥</b></td> <td align="right"><b>92,355</b></td> <td> </td> <td> </td> <td align="left">¥</td> <td align="right">93,864</td> <td> </td> <td> </td> <td align="left"><b>$</b></td> <td align="right"><b>993,065</b></td> <td> </td> </tr> <tr valign="bottom" style="padding-top: 1px"> <td> <div style="margin-left:15px; text-indent:-15px">Buildings </div></td> <td> </td> <td> </td> <td align="right"><b>329,554</b></td> <td> </td> <td> </td> <td> </td> <td align="right">315,518</td> <td> </td> <td> </td> <td> </td> <td align="right"><b>3,543,591</b></td> <td> </td> </tr> <tr valign="bottom" style="background: #cceeff; padding-top: 1px"> <td> <div style="margin-left:15px; text-indent:-15px">Machinery and equipment </div></td> <td> </td> <td> </td> <td align="right"><b>710,511</b></td> <td> </td> <td> </td> <td> </td> <td align="right">682,241</td> <td> </td> <td> </td> <td> </td> <td align="right"><b>7,639,903</b></td> <td> </td> </tr> <tr valign="bottom" style="padding-top: 1px"> <td> <div style="margin-left:15px; text-indent:-15px">Construction in progress </div></td> <td> </td> <td> </td> <td align="right"><b>24,653</b></td> <td> </td> <td> </td> <td> </td> <td align="right">23,468</td> <td> </td> <td> </td> <td> </td> <td align="right"><b>265,086</b></td> <td> </td> </tr> <tr style="font-size: 1px"> <td> <div style="margin-left:15px; text-indent:-15px">  </div></td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td> <td> </td> </tr> <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:15px; text-indent:-15px">Total </div></td> <td> </td> <td> </td> <td align="right"><b>1,157,073</b></td> <td> </td> <td> </td> <td> </td> <td align="right">1,115,091</td> <td> </td> <td> </td> <td> </td> <td align="right"><b>12,441,645</b></td> <td> </td> </tr> <tr valign="bottom" style="padding-top: 1px"> <td> <div style="margin-left:15px; text-indent:-15px">Less: accumulated depreciation </div></td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right"><b>(631,973</b></td> <td nowrap="nowrap"><b>)</b></td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">(589,629</td> <td nowrap="nowrap">)</td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right"><b>(6,795,408</b></td> <td nowrap="nowrap"><b>)</b></td> </tr> <tr style="font-size: 1px"> <td> <div style="margin-left:15px; text-indent:-15px">  </div></td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td> <td> </td> </tr> <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:15px; text-indent:-15px">Net property, plant and equipment </div></td> <td> </td> <td align="left"><b>¥</b></td> <td align="right"><b>525,100</b></td> <td> </td> <td> </td> <td align="left">¥</td> <td align="right">525,462</td> <td> </td> <td> </td> <td align="left"><b>$</b></td> <td align="right"><b>5,646,237</b></td> <td> </td> </tr> <tr style="font-size: 1px"> <td> <div style="margin-left:15px; text-indent:-15px">  </div></td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> <td> </td> <td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td> <td> </td> </tr>  </table> </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">During March 2009, Komatsu decided to shut down Mooka plant in the construction, mining and utility equipment segment and Komatsu plant in the industrial machinery and others segment and transfer their production capacity to other plants. Impairment losses were recorded ¥4,728 million for Mooka plant, ¥1,808 million for Komatsu plant for the year ended March 31, 2009. Impairment losses were insignificant for the year ended March 31, 2010. </div> </div>  <!-- Begin Block Tagged Note false false false us-types:textBlockItemType textblock Disclosure 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 false 1 2 false UnKnown UnKnown UnKnown false true