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Pension Plans - Summary of Target Allocation and Weighted-Average Asset Allocation by Asset Category and Fair Value of Plan Assets (Detail) (USD $) In Millions, unless otherwise specified |  |  |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  |  |  | 12 Months Ended |
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Dec. 28, 2013 | Dec. 29, 2012 | Dec. 31, 2011 | Dec. 28, 2013 Domestic Pension Plans [Member] | Dec. 29, 2012 Domestic Pension Plans [Member] | Dec. 28, 2013 Domestic Pension Plans [Member] Equity securities [Member] | Dec. 29, 2012 Domestic Pension Plans [Member] Equity securities [Member] | Dec. 28, 2013 Domestic Pension Plans [Member] Debt securities and cash [Member] | Dec. 29, 2012 Domestic Pension Plans [Member] Debt securities and cash [Member] | Dec. 28, 2013 Domestic Pension Plans [Member] Real estate and other real assets [Member] | Dec. 29, 2012 Domestic Pension Plans [Member] Real estate and other real assets [Member] | Dec. 28, 2013 Domestic Pension Plans [Member] Hedge funds [Member] | Dec. 29, 2012 Domestic Pension Plans [Member] Hedge funds [Member] | Dec. 28, 2013 Foreign Pension Plans [Member] | Dec. 29, 2012 Foreign Pension Plans [Member] | Dec. 28, 2013 Foreign Pension Plans [Member] Equity securities [Member] | Dec. 29, 2012 Foreign Pension Plans [Member] Equity securities [Member] | Dec. 28, 2013 Foreign Pension Plans [Member] Debt securities and cash [Member] | Dec. 29, 2012 Foreign Pension Plans [Member] Debt securities and cash [Member] | Dec. 28, 2013 Foreign Pension Plans [Member] Hedge funds [Member] | Dec. 29, 2012 Foreign Pension Plans [Member] Hedge funds [Member] | Dec. 28, 2013 Foreign Pension Plans [Member] Insurance contracts and hedge funds [Member] | Dec. 29, 2012 Foreign Pension Plans [Member] Insurance contracts and hedge funds [Member]
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Target allocation |  |  |  | 100.00% |  | 50.00% |  | 35.00% |  | 5.00% |  | 10.00% |  | 100.00% |  | 36.00% |  | 44.00% |  |  |  | 20.00% |
Actual weighted-average asset allocation |  |  |  | 100.00% | 100.00% | 51.00% | 48.00% | 34.00% | 37.00% | 4.00% | 6.00% | 11.00% | 9.00% | 100.00% | 100.00% | 37.00% | 35.00% | 44.00% | 47.00% |  |  | 19.00% | 18.00%
Fair value of plan assets | $ 1,015.4 | $ 964.0 | $ 846.1 | $ 863.4 | $ 830.6 |  |  |  |  |  |  | $ 90.3 | $ 75.0 | $ 152.0 | $ 133.4 |  | $ 11.6 |  |  | $ 24.8 | $ 20.0 |  |

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- Definition Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=29635418&loc=d3e12355-114930 + Details
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- Definition Target allocation of investments of this type to total plan assets presented on a weighted average basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 + Details
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- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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