2.4.0.8023 - Disclosure - Note 8 - Fair Value Measurements (Tables)truefalsefalse1false falsefalsec8_From1Jan2013To30Jun2013http://www.sec.gov/CIK0001030749duration2013-01-01T00:00:002013-06-30T00:00:001true 1glf_FairValueDisclosuresTextBlockAbstractglf_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Fair Value Disclosures [Text Block]2false 2us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<table id="TBL4228" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 10%; WIDTH: 80%; MARGIN-RIGHT: 10%" cellspacing="0" cellpadding="0" border="0"> <tr id="TBL4228.finRow.1"> <td style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: center; MARGIN-LEFT: 0pt">   </td> <td id="TBL4228.finRow.1.lead.D2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: center; MARGIN-LEFT: 0pt"> </td> <td id="TBL4228.finRow.1.amt.D2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center; MARGIN-LEFT: 0pt" colspan="2"> Level 1 </td> <td id="TBL4228.finRow.1.trail.D2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: medium none; PADDING-BOTTOM: 1px; TEXT-ALIGN: center; MARGIN-LEFT: 0pt"> </td> <td id="TBL4228.finRow.1.lead.D3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: center; MARGIN-LEFT: 0pt"> </td> <td id="TBL4228.finRow.1.amt.D3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center; MARGIN-LEFT: 0pt" colspan="2"> Level 2 </td> <td id="TBL4228.finRow.1.trail.D3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: medium none; PADDING-BOTTOM: 1px; TEXT-ALIGN: center; MARGIN-LEFT: 0pt"> </td> <td id="TBL4228.finRow.1.lead.D4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: center; MARGIN-LEFT: 0pt"> </td> <td id="TBL4228.finRow.1.amt.D4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center; MARGIN-LEFT: 0pt" colspan="2"> Level 3 </td> <td id="TBL4228.finRow.1.trail.D4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: medium none; PADDING-BOTTOM: 1px; TEXT-ALIGN: center; MARGIN-LEFT: 0pt"> </td> <td id="TBL4228.finRow.1.lead.D5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: center; MARGIN-LEFT: 0pt"> </td> <td id="TBL4228.finRow.1.amt.D5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center; MARGIN-LEFT: 0pt" colspan="2"> Total </td> <td id="TBL4228.finRow.1.trail.D5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: medium none; PADDING-BOTTOM: 1px; TEXT-ALIGN: center; MARGIN-LEFT: 0pt"> </td> </tr> <tr id="TBL4228.finRow.2"> <td style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 36%; BACKGROUND-COLOR: #cceeff"> Fair Value of Derivative </td> <td id="TBL4228.finRow.2.lead.2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff">   </td> <td id="TBL4228.finRow.2.symb.2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff"> $ </td> <td id="TBL4228.finRow.2.amt.2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; MARGIN-LEFT: 0pt; WIDTH: 13%; BACKGROUND-COLOR: #cceeff"> - </td> <td id="TBL4228.finRow.2.trail.2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff" nowrap="nowrap"> </td> <td id="TBL4228.finRow.2.lead.3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff">   </td> <td id="TBL4228.finRow.2.symb.3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff"> $ </td> <td id="TBL4228.finRow.2.amt.3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; MARGIN-LEFT: 0pt; WIDTH: 13%; BACKGROUND-COLOR: #cceeff"> 0.5 </td> <td id="TBL4228.finRow.2.trail.3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff" nowrap="nowrap"> </td> <td id="TBL4228.finRow.2.lead.4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff">   </td> <td id="TBL4228.finRow.2.symb.4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff"> $ </td> <td id="TBL4228.finRow.2.amt.4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; MARGIN-LEFT: 0pt; WIDTH: 13%; BACKGROUND-COLOR: #cceeff"> - </td> <td id="TBL4228.finRow.2.trail.4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff" nowrap="nowrap"> </td> <td id="TBL4228.finRow.2.lead.5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff">   </td> <td id="TBL4228.finRow.2.symb.5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff"> $ </td> <td id="TBL4228.finRow.2.amt.5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; MARGIN-LEFT: 0pt; WIDTH: 13%; BACKGROUND-COLOR: #cceeff"> 0.5 </td> <td id="TBL4228.finRow.2.trail.5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff" nowrap="nowrap"> </td> </tr> </table><table id="TBL5207" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; MARGIN-LEFT: 10%; WIDTH: 80%; MARGIN-RIGHT: 10%" cellspacing="0" cellpadding="0" border="0"> <tr id="TBL5207.finRow.1"> <td style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: center">   </td> <td id="TBL5207.finRow.1.lead.D2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: center"> </td> <td id="TBL5207.finRow.1.amt.D2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center" colspan="2"> Level 1 </td> <td id="TBL5207.finRow.1.trail.D2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: medium none; PADDING-BOTTOM: 1px; TEXT-ALIGN: center"> </td> <td id="TBL5207.finRow.1.lead.D3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: center"> </td> <td id="TBL5207.finRow.1.amt.D3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center" colspan="2"> Level 2 </td> <td id="TBL5207.finRow.1.trail.D3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: medium none; PADDING-BOTTOM: 1px; TEXT-ALIGN: center"> </td> <td id="TBL5207.finRow.1.lead.D4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: center"> </td> <td id="TBL5207.finRow.1.amt.D4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center" colspan="2"> Level 3 </td> <td id="TBL5207.finRow.1.trail.D4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: medium none; PADDING-BOTTOM: 1px; TEXT-ALIGN: center"> </td> <td id="TBL5207.finRow.1.lead.D5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: center"> </td> <td id="TBL5207.finRow.1.amt.D5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: #000000 1px solid; TEXT-ALIGN: center" colspan="2"> Total </td> <td id="TBL5207.finRow.1.trail.D5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; BORDER-BOTTOM: medium none; PADDING-BOTTOM: 1px; TEXT-ALIGN: center"> </td> </tr> <tr id="TBL5207.finRow.2"> <td style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; WIDTH: 36%; BACKGROUND-COLOR: #cceeff"> Fair Value of Derivative </td> <td id="TBL5207.finRow.2.lead.2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 1%; BACKGROUND-COLOR: #cceeff">   </td> <td id="TBL5207.finRow.2.symb.2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; WIDTH: 1%; BACKGROUND-COLOR: #cceeff"> $ </td> <td id="TBL5207.finRow.2.amt.2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 13%; BACKGROUND-COLOR: #cceeff"> - </td> <td id="TBL5207.finRow.2.trail.2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff" nowrap="nowrap"> </td> <td id="TBL5207.finRow.2.lead.3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 1%; BACKGROUND-COLOR: #cceeff">   </td> <td id="TBL5207.finRow.2.symb.3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; WIDTH: 1%; BACKGROUND-COLOR: #cceeff"> $ </td> <td id="TBL5207.finRow.2.amt.3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 13%; BACKGROUND-COLOR: #cceeff"> 0.6 </td> <td id="TBL5207.finRow.2.trail.3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff" nowrap="nowrap"> </td> <td id="TBL5207.finRow.2.lead.4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 1%; BACKGROUND-COLOR: #cceeff">   </td> <td id="TBL5207.finRow.2.symb.4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; WIDTH: 1%; BACKGROUND-COLOR: #cceeff"> $ </td> <td id="TBL5207.finRow.2.amt.4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 13%; BACKGROUND-COLOR: #cceeff"> - </td> <td id="TBL5207.finRow.2.trail.4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff" nowrap="nowrap"> </td> <td id="TBL5207.finRow.2.lead.5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 1%; BACKGROUND-COLOR: #cceeff">   </td> <td id="TBL5207.finRow.2.symb.5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; WIDTH: 1%; BACKGROUND-COLOR: #cceeff"> $ </td> <td id="TBL5207.finRow.2.amt.5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 13%; BACKGROUND-COLOR: #cceeff"> 0.6 </td> <td id="TBL5207.finRow.2.trail.5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #cceeff" nowrap="nowrap"> </td> </tr> <tr id="TBL5207.finRow.3"> <td style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; BACKGROUND-COLOR: #ffffff"> Asset Held For Sale </td> <td id="TBL5207.finRow.3.lead.2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 1%; BACKGROUND-COLOR: #ffffff">   </td> <td id="TBL5207.finRow.3.symb.2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; WIDTH: 1%; BACKGROUND-COLOR: #ffffff"> $ </td> <td id="TBL5207.finRow.3.amt.2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 13%; BACKGROUND-COLOR: #ffffff"> - </td> <td id="TBL5207.finRow.3.trail.2" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #ffffff" nowrap="nowrap"> </td> <td id="TBL5207.finRow.3.lead.3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 1%; BACKGROUND-COLOR: #ffffff">   </td> <td id="TBL5207.finRow.3.symb.3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; WIDTH: 1%; BACKGROUND-COLOR: #ffffff"> $ </td> <td id="TBL5207.finRow.3.amt.3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 13%; BACKGROUND-COLOR: #ffffff"> 0.7 </td> <td id="TBL5207.finRow.3.trail.3" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #ffffff" nowrap="nowrap"> </td> <td id="TBL5207.finRow.3.lead.4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 1%; BACKGROUND-COLOR: #ffffff">   </td> <td id="TBL5207.finRow.3.symb.4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; WIDTH: 1%; BACKGROUND-COLOR: #ffffff"> $ </td> <td id="TBL5207.finRow.3.amt.4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 13%; BACKGROUND-COLOR: #ffffff"> - </td> <td id="TBL5207.finRow.3.trail.4" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #ffffff" nowrap="nowrap"> </td> <td id="TBL5207.finRow.3.lead.5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 1%; BACKGROUND-COLOR: #ffffff">   </td> <td id="TBL5207.finRow.3.symb.5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; WIDTH: 1%; BACKGROUND-COLOR: #ffffff"> $ </td> <td id="TBL5207.finRow.3.amt.5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: right; WIDTH: 13%; BACKGROUND-COLOR: #ffffff"> 0.7 </td> <td id="TBL5207.finRow.3.trail.5" style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif; VERTICAL-ALIGN: bottom; TEXT-ALIGN: left; MARGIN-LEFT: 0pt; WIDTH: 1%; BACKGROUND-COLOR: #ffffff" nowrap="nowrap"> </td> </tr> </table>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258 false0Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]falseNote 8 - Fair Value Measurements (Tables)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.gulfmark.com/role/Note8FairValueMeasurementsTables12