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Employee Benefit Plans Employee Benefit Plans Narrative 2 (Details) $ in Millions | 12 Months Ended
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Dec. 29, 2018 USD ($) plan | Dec. 30, 2017 | Dec. 31, 2016
Employee Benefit Plans [Line Items] |  |  |
Defined Benefit Plan, Number of Plans | plan | 2 |  |
Expected long-term rate of return on assets | 6.13% | 6.17% | 6.52%
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year | $ | $ 4.2 |  |
Equity Funds [Member] |  |  |
Employee Benefit Plans [Line Items] |  |  |
Equity Securities | 60.00% |  |
Fixed Income Funds [Member] |  |  |
Employee Benefit Plans [Line Items] |  |  |
Equity Securities | 40.00% |  |
Emerging Market [Member] | Equity Securities, International [Member] |  |  |
Employee Benefit Plans [Line Items] |  |  |
Concentration Risk, Percentage | 10.00% |  |
UNITED STATE AND CANADA [Member] |  |  |
Employee Benefit Plans [Line Items] |  |  |
Expected long-term rate of return on assets | 6.40% |  |
Foreign Plan [Member] |  |  |
Employee Benefit Plans [Line Items] |  |  |
Expected long-term rate of return on assets | 3.20% |  |

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
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- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Amount of contributions expected to be received by defined benefit plan from employer in next fiscal year following latest fiscal year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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