XML 100 R84.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Debt (Details 1) | Dec. 31, 2012
--- | ---
Redemption of 6.625% Senior Notes |
2019 and thereafter | 100.00%
Redemption of 7 3/4% Senior Notes |
2015 and thereafter | 100.00%
Senior Note Due 2017 [Member] |
Redemption of 7 3/4% Senior Notes |
2013 | 103.875%
2014 | 101.938%
Senior Unsecured Note Due 2021 [Member] |
Redemption of 6.625% Senior Notes |
2016 | 103.3125%
2017 | 102.2083%
2018 | 101.1042%

X
- Details
Name: | geo_RedemptionOfSeniorNotesFirstIssueAbstract
Namespace Prefix: | geo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | geo_RedemptionOfSeniorNotesSecondIssueAbstract
Namespace Prefix: | geo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Redemption price as percentage of principal amount after year eight and thereafter. + References No definition available. + Details
Name: | geo_RedemptionPriceAsPercentageOfPrincipalAmountAfterYearEightAndThereafter
Namespace Prefix: | geo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Redemption price as percentage of principal amount 2015 and there after. + References No definition available. + Details
Name: | geo_RedemptionPriceAsPercentageOfPrincipalAmountAfterYearFourAndThereafter
Namespace Prefix: | geo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Redemption price as percentage of principal amount in year five. + References No definition available. + Details
Name: | geo_RedemptionPriceAsPercentageOfPrincipalAmountInYearFive
Namespace Prefix: | geo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Redemption price as percentage of principal amount 2014. + References No definition available. + Details
Name: | geo_RedemptionPriceAsPercentageOfPrincipalAmountInYearFour
Namespace Prefix: | geo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Redemption price as percentage of principal amount in year seven. + References No definition available. + Details
Name: | geo_RedemptionPriceAsPercentageOfPrincipalAmountInYearSeven
Namespace Prefix: | geo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Redemption price as percentage of principal amount in year six. + References No definition available. + Details
Name: | geo_RedemptionPriceAsPercentageOfPrincipalAmountInYearSix
Namespace Prefix: | geo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Redemption price as percentage of principal amount 2013. + References No definition available. + Details
Name: | geo_RedemptionPriceAsPercentageOfPrincipalAmountInYearThree
Namespace Prefix: | geo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant