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Fair Value Measurement - Additional Information (Detail) (USD $) | 12 Months Ended
--- | ---
Dec. 29, 2013 | Dec. 30, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Change in amount of contingent consideration | $ 12,900,000 |
Payments to partially offeset the increase in contingent consideration during period | 6,800,000 |
Future funding commitments | 27,700,000 | 39,800,000
Hedge funds redemption description | Shares in the hedge funds are generally redeemable twice a year or on the last business day of each quarter with at least 60 days written notice subject to potential 5% holdback. There are no unfunded commitments related to the hedge funds. |
Hedge funds redemption period | at least 60 days |
Hedge funds redemption potential holdback percentage | 5.00% |
Fair value of total long-term debt | 3,930,000,000 | 1,620,000,000
Maximum |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Liquidation period of underlying assets of partnership investments, low estimate (in years) | 11 years |
Minimum |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Liquidation period of underlying assets of partnership investments, low estimate (in years) | 9 years |
Fair Value, Inputs, Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Fair Value Inputs, Long-term Revenue Growth Rate |  | 2.00%
Fair Value Inputs, Discount Rate |  | 15.50%
Effect of 1% change in growth rate on valuation of goodwill, increase (decrease) | 1,400,000 | 2,300,000
Effect Of One-Percent-Point Change In Discount Rate On Valuation Of Goodwill, Increase (Decrease) | 2,700,000 | 3,500,000
Fair Value, Inputs, Level 3 | Maximum |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Fair Value Inputs, Discount Rate | 30.00% |
Fair Value, Inputs, Level 3 | Minimum |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Fair Value Inputs, Discount Rate | 10.00% |
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 1 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Assets held for sale - Quarter 4 | 0 | 0
Goodwill - Quarter 4 | 0 | 0
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Assets held for sale - Quarter 4 | 0 | 0
Goodwill - Quarter 4 | 0 | 0
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Assets held for sale - Quarter 4 | 395,851,000 | 17,508,000
Goodwill - Quarter 4 | 21,790,000 | 29,610,000
Fair Value, Measurements, Nonrecurring | Estimate of Fair Value, Fair Value Disclosure |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Assets held for sale - Quarter 4 | 395,851,000 | 17,508,000
Goodwill - Quarter 4 | $ 21,790,000 | $ 29,610,000
Digital | Fair Value, Inputs, Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Fair Value Inputs, Long-term Revenue Growth Rate | 3.00% |
Fair Value Inputs, Discount Rate | 16.00% |
Publishing | Fair Value, Inputs, Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Fair Value Inputs, Long-term Revenue Growth Rate | 3.00% |
Fair Value Inputs, Discount Rate | 20.50% |
One Percentage Point Increase in growth rate and discount rate | 1.00% | 1.00%

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- Definition Goodwill, Effect of One Percentage Point Change in Discount Rate on Valuation of Goodwill, Increase (Decrease) + References No definition available. + Details
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- Definition Goodwill, Effect of One Percentage Point Change in Growth Rate on Valuation of Goodwill, Increase (Decrease) + References No definition available. + Details
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- Definition One Percentage Point Increase in growth rate and discount rate + References No definition available. + Details
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- Definition Payments For Contingent Consideration + References No definition available. + Details
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- Definition Fair value portion of assets classified as held for sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258 + Details
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- Definition Amount of (increase) decrease in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e7008-128479 + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Percentage of assumed long-term growth in revenues, used as an input to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Describes the terms and conditions for redemption of the entity's investment, or portion thereof (for example, quarterly redemption with 60 days notice), for each of those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments), by major category. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=25499696&loc=SL6742756-110258 + Details
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- Definition States the notice requirement (for example, 30 to 60 days) the entity is required to deliver before it can redeem its investment, or portion thereof, for each of those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments), by major category. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=25499696&loc=SL6742756-110258 + Details
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- Definition Estimate remaining period the underlying assets are expected to be liquidated by the investees for investments for which net asset value per share is calculated (including by unit, membership interest, or other ownership interest unit measure), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25499696&loc=SL6742756-110258 + Details
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- Definition The percentage of the total value of investments that cannot be redeemed because of a redemption restriction as of the statement of financial position date. + References No definition available. + Details
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- Definition The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=SL6742756-110258 + Details
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- Definition Fair value portion of asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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