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v2.3.0.15

Supplemental Equity Information - Additional Information (Detail) | Mar. 27, 2011
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Stockholders Equity Note [Line Items] |
Prior ownership percentage in CareerBuilder | 50.80%
Ownership percentage in CareerBuilder, as a result of CareerBuilder's repurchase of a membership interest held by a noncontrolling interest | 52.90%

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- Definition Percentage Of Ownership Interests before acquisition + Details
Name: | gci_PercentageOfOwnershipInterestsBeforeAcquisition
Namespace Prefix: | gci
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Stockholders Equity Note [Line Items] + Details
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Namespace Prefix: | gci
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + Details
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Namespace Prefix: | us-gaap
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant