CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Cash flows from operating activities
Net income	$ 1,130,460us-gaap_ProfitLoss	$ 445,913us-gaap_ProfitLoss	$ 475,007us-gaap_ProfitLoss
Adjustments to reconcile net income to operating cash flows:
Gain on Cars.com acquisition, net of tax	(285,860)	0	0
Depreciation	185,868us-gaap_Depreciation	153,203us-gaap_Depreciation	160,746us-gaap_Depreciation
Amortization of intangible assets	79,856us-gaap_AmortizationOfIntangibleAssets	36,369us-gaap_AmortizationOfIntangibleAssets	33,293us-gaap_AmortizationOfIntangibleAssets
Facility consolidation and asset impairment charges (see Notes 3 and 4)	112,472gci_AssetImpairmentAndOtherCharges	61,014gci_AssetImpairmentAndOtherCharges	122,129gci_AssetImpairmentAndOtherCharges
Stock-based compensation — equity awards	33,882us-gaap_ShareBasedCompensation	33,437us-gaap_ShareBasedCompensation	26,608us-gaap_ShareBasedCompensation
Provision for deferred income taxes	1,200us-gaap_DeferredIncomeTaxExpenseBenefit	53,900us-gaap_DeferredIncomeTaxExpenseBenefit	122,700us-gaap_DeferredIncomeTaxExpenseBenefit
Pension expense, net of pension contributions	(111,194)	(82,878)	(95,377)
Equity income in unconsolidated investees, net (see Notes 3 and 5)	(167,319)	(43,824)	(22,387)
Other, net, including gains on asset sales	(12,313)	(4,673)	(36,056)
Decrease (increase) in trade receivables	(1,514)	(17,884)	35,799
Decrease in other receivables	7,504	9,329	6,200
Decrease (increase) in inventories	10,032us-gaap_IncreaseDecreaseInInventories	4,489us-gaap_IncreaseDecreaseInInventories	(7,167)us-gaap_IncreaseDecreaseInInventories
Increase (decrease) in accounts payable	66,740	(29,310)	(3,284)
Increase (decrease) in interest and taxes payable	(193,274)	(53,101)	853
Decrease in deferred income	(5,353)	(12,233)	(5,294)
Change in other assets and liabilities, net	(29,988)	(42,263)	(57,030)
Net cash flows from operating activities	821,199	511,488	756,740
Cash flows from investing activities
Purchase of property, plant and equipment	(150,354)	(110,407)	(91,874)
Payments for acquisitions, net of cash acquired	(1,990,877)	(1,451,006)	(67,244)
Payments for investments	(7,026)us-gaap_PaymentsToAcquireInvestments	(3,380)us-gaap_PaymentsToAcquireInvestments	(2,501)us-gaap_PaymentsToAcquireInvestments
Proceeds from investments	180,809	63,408	35,629
Proceeds from sale of certain assets	305,347	113,895	39,009
Net cash used for investing activities	(1,662,101)	(1,387,490)	(86,981)
Cash flows from financing activities
Proceeds from (payments of) borrowings under revolving credit facilities, net	640,000	(205,000)	(30,000)
Proceeds from unsecured fixed rate loans	666,732	1,827,799	0
Proceeds from (payments of) unsecured floating rate term loans	(37,490)gci_ProceedsfromPaymentsofUnsecuredDebt	194,070gci_ProceedsfromPaymentsofUnsecuredDebt	0gci_ProceedsfromPaymentsofUnsecuredDebt
Payments of unsecured fixed rate notes	(500,000)us-gaap_RepaymentsOfUnsecuredDebt	(287,719)us-gaap_RepaymentsOfUnsecuredDebt	(306,571)us-gaap_RepaymentsOfUnsecuredDebt
Payments of debt issuance and financing costs	(10,548)us-gaap_PaymentsOfDebtIssuanceCosts	(41,960)us-gaap_PaymentsOfDebtIssuanceCosts	0us-gaap_PaymentsOfDebtIssuanceCosts
Dividends paid	(181,328)us-gaap_PaymentsOfDividendsCommonStock	(183,233)us-gaap_PaymentsOfDividendsCommonStock	(158,822)us-gaap_PaymentsOfDividendsCommonStock
Cost of common shares repurchased	(75,815)	(116,639)	(153,948)
Proceeds from issuance of common stock upon settlement of stock awards	26,672	31,435	33,748
Distributions to noncontrolling membership interests	(22,072)	(42,608)	(47,100)
Deferred payments for acquisitions	(15,687)	(6,132)	(1,027)
Net cash provided by (used for) financing activities	490,464	1,170,013	(663,720)
Effect of currency exchange rate change	(281)	162	2,065
Increase (decrease) in cash and cash equivalents	(350,719)	294,173	8,104
Balance of cash and cash equivalents at beginning of year	469,203	175,030	166,926
Balance of cash and cash equivalents at end of year	118,484	469,203	175,030
Supplemental cash flow information:
Cash paid for taxes, net of refunds	207,038us-gaap_IncomeTaxesPaidNet	124,378us-gaap_IncomeTaxesPaidNet	64,838us-gaap_IncomeTaxesPaidNet
Cash paid for interest	242,190us-gaap_InterestPaidNet	126,180us-gaap_InterestPaidNet	138,906us-gaap_InterestPaidNet
Non-cash investing and financing activities
Assets-held-for-sale proceeds	146,428gci_SaleProceedsNonCash	0gci_SaleProceedsNonCash	0gci_SaleProceedsNonCash
Escrow deposit disbursement related to London Broadcasting Company television stations acquisition	(134,908)	0	0
Capital expenditures	$ (11,520)gci_CapitalExpendituresNoncash	$ 0gci_CapitalExpendituresNoncash	$ 0gci_CapitalExpendituresNoncash

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The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Amount of cash inflow (outflow) from other long-term debt.

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The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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