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Retirement Plans - Additional Information (Detail) (USD $) In Millions | 3 Months Ended
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Sep. 25, 2011 | Jun. 26, 2011 | Dec. 25, 2011 Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items] |  |  |
Contribution to the Gannett Retirement Plan | $ 10 | $ 14 | $ 9

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