XML 103 R88.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Debt (5.875% Senior Notes) (Details) - USD ($) |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 25, 2014 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Oct. 03, 2013 | Mar. 19, 2013
Debt Instrument [Line Items] |  |  |  |  |  |
Line of Credit, amount outstanding |  | $ 270,559,000 | $ 515,000,000 |  |  |
Loss on extinguishment of debt |  | $ 0 | $ 15,885,000 | $ 0 |  |
5.875% Senior Notes | Redemption, Period 2017 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Redemption price percentage |  | 104.406% |  |  |  |
5.875% Senior Notes | Redemption, Period 2018 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Redemption price percentage |  | 102.938% |  |  |  |
5.875% Senior Notes | Redemption, Period 2019 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Redemption price percentage |  | 101.469% |  |  |  |
5.875% Senior Notes | 2020 and thereafter |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Redemption price percentage |  | 100.00% |  |  |  |
Senior Notes | 5.875% Senior Notes due 2024 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount | $ 250,000,000.0 |  |  |  |  |
Stated interest rate | 5.875% | 5.875% | 5.875% |  |  |
Senior Notes | 5.875% Senior Notes due 2024 | Redemption, Period 2017 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Redemption price percentage | 100.00% |  |  |  |  |
Senior Notes | 5.875% Senior Notes due 2024 | Redemption, Period 2019 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Redemption price percentage | 102.938% |  |  |  |  |
Senior Notes | 5.875% Senior Notes due 2024 | 2020 and thereafter |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Redemption price percentage | 101.958% |  |  |  |  |
Senior Notes | 5.125% Senior Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  | $ 300,000,000.0
Stated interest rate |  | 5.125% | 5.125% |  |  | 5.125%
Percentage of principal amount redeemable |  | 101.00% |  |  |  |
Debt covenant, asset proceeds, excess proceeds |  | $ 25,000,000 |  |  |  |
Debt covenant, indenture agreement, period after notice |  | 60 days |  |  |  |
Senior Notes | 5.125% Senior Notes | Redemption, Period 2018 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Redemption price percentage |  | 102.563% |  |  |  |
Senior Notes | 5.125% Senior Notes | Redemption, Period 2019 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Redemption price percentage |  | 101.708% |  |  |  |
Senior Notes | 5.125% Senior Notes | 2020 and thereafter |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Redemption price percentage |  | 100.854% |  |  |  |
Senior Notes | 5.125% Senior Notes | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notice period prior to redemption |  | 60 days |  |  |  |
Senior Notes | 5.125% Senior Notes | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notice period prior to redemption |  | 30 days |  |  |  |
Senior Notes | 5.875% Senior Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  | $ 250,000,000.0 |
Stated interest rate |  | 5.875% | 5.875% |  |  |
Percentage of principal amount redeemable |  | 101.00% |  |  |  |
Debt covenant, asset proceeds, excess proceeds |  | $ 25,000,000 |  |  |  |
Debt covenant, indenture agreement, period after notice |  | 60 days |  |  |  |
Senior Notes | 5.875% Senior Notes | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notice period prior to redemption |  | 60 days |  |  |  |
Senior Notes | 5.875% Senior Notes | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notice period prior to redemption |  | 30 days |  |  |  |
Senior Notes | 7.75% Senior Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Stated interest rate |  | 7.75% |  |  |  |

X
- Definition Debt Covenant, Asset Proceeds, Excess Proceeds + References No definition available. + Details
Name: | geo_DebtCovenantAssetProceedsExcessProceeds
Namespace Prefix: | geo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Debt Covenant, Indenture Agreement, Period After Notice + References No definition available. + Details
Name: | geo_DebtCovenantIndentureAgreementPeriodAfterNotice
Namespace Prefix: | geo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Notice Period Prior to Redemption + References No definition available. + Details
Name: | geo_DebtInstrumentNoticePeriodPriorToRedemption
Namespace Prefix: | geo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Redemption Period, Change in Control, Percentage of Principal Amount Redeemable + References No definition available. + Details
Name: | geo_DebtInstrumentRedemptionPeriodChangeinControlPercentageofPrincipalAmountRedeemable
Namespace Prefix: | geo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629 + Details
Name: | us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=geo_FivePointEightSevenFivePercentSeniorNotesDue2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=geo_FivePointEightSevenFivePercentSeniorNotesDue2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=geo_FivePointOneTwoFivePercentSeniorNotesDue2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=geo_SevenPointSevenFivePercentSeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |