CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Statement of Comprehensive Income [Abstract]
Net income	$ 1,130,460us-gaap_ProfitLoss	$ 445,913us-gaap_ProfitLoss	$ 475,007us-gaap_ProfitLoss
Redeemable noncontrolling interest (income not available to shareholders)	(3,420)	(1,997)	(254)
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	(43,766)	9,055	18,107
Pension and other postretirement benefit items:
Actuarial gain (loss) arising during the period	(500,389)	286,778	(230,799)
Amortization of actuarial loss	46,489	64,381	55,372
Change in prior service (costs) credit	37,986	319	0
Amortization of prior service credit	(4,082)	(1,599)	(11,501)
Settlement charge	0	3,077	7,946
Other	23,628	(10,158)	(11,375)
Pension and other postretirement benefit items	(396,368)	342,798	(190,357)
Other	0	2,363	1,791
Other comprehensive income (loss) before tax	(440,134)	354,216	(170,459)
Income tax effect related to components of other comprehensive income (loss)	147,718us-gaap_OtherComprehensiveIncomeLossTax	(145,478)us-gaap_OtherComprehensiveIncomeLossTax	66,948us-gaap_OtherComprehensiveIncomeLossTax
Other comprehensive income (loss), net of tax	(292,416)	208,738	(103,511)
Comprehensive income	834,624	652,654	371,242
Comprehensive income attributable to noncontrolling interests, net of tax	57,167	56,888	52,264
Comprehensive income attributable to Gannett Co., Inc.	$ 777,457us-gaap_ComprehensiveIncomeNetOfTax	$ 595,766us-gaap_ComprehensiveIncomeNetOfTax	$ 318,978us-gaap_ComprehensiveIncomeNetOfTax

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Other comprehensive income loss pension and other postretirement benefit plans other adjustments before tax.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

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Amount before tax of cost (credit) of benefit changes attributable to plan participants' prior service resulting from a plan amendment or plan initiation that has not been recognized in net periodic benefit cost (credit).

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Amount before tax, after reclassification adjustments of other comprehensive income (loss).

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Amount before tax of gain (loss) adjustment to other comprehensive income (loss) resulting from settlement or curtailment of defined benefit pension and other postretirement defined benefit plans.

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Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount before tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit.

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