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10/1/2008 - 9/30/2009
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10/1/2008 - 9/30/2010
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10/1/2008 - 9/30/2010
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10/1/2008 - 9/30/2009
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 28
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10/1/2008 - 9/30/2010
USD ($)
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10/1/2009 - 9/30/2010
USD ($)
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10/1/2008 - 9/30/2009
USD ($)
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10/1/2008 - 9/30/2010
USD ($)
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10/1/2009 - 9/30/2010
USD ($)
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10/1/2008 - 9/30/2009
USD ($)
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10/1/2008 - 9/30/2010
USD ($)
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available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse3000000.3falsefalsefalsefalsefalse2truefalsefalse-2600000-2.6falsefalsefalsefalsefalse3truefalsefalse-2300000-2.3falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNo definition available.No authoritative reference available.falsefalse49false0igt_InternationalRestructuringChargesigtfalsedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse2000000.2falsefalsefalsefalsefalse2truefalsefalse-100000-0.1falsefalsefalsefalsefalse3truefalsefalse1000000.1falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNo definition available.No authoritative reference available.falsefalse50false0igt_CorporateRestructuringChargesigtfalsedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse-700000-0.7falsefalsefalsefalsefalse3truefalsefalse-700000-0.7falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNo definition available.No authoritative reference available.falsefalse51false0igt_ContinuingOperationsRestructuringChargesigtfalsenadurationAmount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations,...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse5000000.5falsefalsefalsefalsefalse2truefalsefalse-3400000-3.4falsefalsefalsefalsefalse3truefalsefalse-2900000-2.9falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations, associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted.No authoritative reference available.falsefalse52false0igt_DiscontinuedOperationsRestructuringChargesigtfalsenadurationAmount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations,...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse96000009.6falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse96000009.6falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations, associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted.No authoritative reference available.falsefalse53false0igt_ConsolidatedRestructuringChargesigtfalsenadurationAmount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations,...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse1010000010.1falsefalsefalsefalsefalse2truefalsefalse-3400000-3.4falsefalsefalsefalsefalse3truefalsefalse67000006.7falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations, associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted.No authoritative reference available.falsefalse54false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://igt.com/role/restructuringchargesandliabilityasofandfortheyearsendedseptember302010table1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse21falsefalseUSDtruefalse{igt_RestructuringChargesandLiabilityAxis} : Total All Charges [Member]
10/1/2009 - 9/30/2010
USD ($)
$c86_From1Oct2009To30Sep2010_TotalAllChargesMemberhttp://www.sec.gov/CIK0000353944duration2009-10-01T00:00:002010-09-30T00:00:00falsefalseTotal All Charges [Member]igt_RestructuringChargesandLiabilityAxisxbrldihttp://xbrl.org/2006/xbrldiigt_TotalAllChargesMemberigt_RestructuringChargesandLiabilityAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$22falsefalseUSDtruefalse{igt_RestructuringChargesandLiabilityAxis} : Total All Charges [Member]
10/1/2008 - 9/30/2009
USD ($)
$c92_From1Oct2008To30Sep2009_TotalAllChargesMemberhttp://www.sec.gov/CIK0000353944duration2008-10-01T00:00:002009-09-30T00:00:00falsefalseTotal All Charges [Member]igt_RestructuringChargesandLiabilityAxisxbrldihttp://xbrl.org/2006/xbrldiigt_TotalAllChargesMemberigt_RestructuringChargesandLiabilityAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$23falsefalseUSDtruefalse{igt_RestructuringChargesandLiabilityAxis} : Total All Charges [Member]
10/1/2008 - 9/30/2010
USD ($)
$c101_From1Oct2008To30Sep2010_TotalAllChargesMemberhttp://www.sec.gov/CIK0000353944duration2008-10-01T00:00:002010-09-30T00:00:00falsefalseTotal All Charges [Member]igt_RestructuringChargesandLiabilityAxisxbrldihttp://xbrl.org/2006/xbrldiigt_TotalAllChargesMemberigt_RestructuringChargesandLiabilityAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalse55true0igt_Fiscal2010AbstractigtfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalse56false0igt_NorthAmericaRestructuringChargesigtfalsedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse40000004.0falsefalsefalsefalsefalse2truefalsefalse2540000025.4falsefalsefalsefalsefalse3truefalsefalse2940000029.4falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNo definition available.No authoritative reference available.falsefalse57false0igt_InternationalRestructuringChargesigtfalsedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse6000000.6falsefalsefalsefalsefalse2truefalsefalse55000005.5falsefalsefalsefalsefalse3truefalsefalse61000006.1falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNo definition available.No authoritative reference available.falsefalse58false0igt_CorporateRestructuringChargesigtfalsedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse1000000.1falsefalsefalsefalsefalse2truefalsefalse30000003.0falsefalsefalsefalsefalse3truefalsefalse31000003.1falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNo definition available.No authoritative reference available.falsefalse59false0igt_ContinuingOperationsRestructuringChargesigtfalsenadurationAmount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations,...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse47000004.7falsefalsefalsefalsefalse2truefalsefalse3390000033.9falsefalsefalsefalsefalse3truefalsefalse3860000038.6falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations, associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted.No authoritative reference available.falsefalse60false0igt_DiscontinuedOperationsRestructuringChargesigtfalsenadurationAmount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations,...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse1930000019.3falsefalsefalsefalsefalse2truefalsefalse11000001.1falsefalsefalsefalsefalse3truefalsefalse2040000020.4falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations, associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted.No authoritative reference available.falsefalse61false0igt_ConsolidatedRestructuringChargesigtfalsenadurationAmount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations,...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse2400000024.0falsetruefalsefalsefalse2truefalsefalse3500000035.0falsetruefalsefalsefalse3truefalsefalse5900000059.0falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations, associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted.No authoritative reference available.falsefalse361Restructuring Charges and Liability As Of And For The Years Ended September 30, 2010 (Detail) (USD $)HundredThousandsUnKnownUnKnownUnKnownfalsetrue