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Employee Benefit Plans Employee Benefit Plans Narrative 1 (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2005 | Dec. 30, 2017 | Dec. 31, 2016 | Jan. 02, 2016
Employee Benefit Plans [Line Items] |  |  |  |
Investment Horizon of Greater Than |  | 10 years |  |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax |  | $ 16.3 | $ 19.4 |
Domestic Pension Plan Benefits Percentage Of The Projected Benefit Obligation |  | 74.00% | 75.00% |
Domestic Defined Benefit Plan Cash Contributions By Employer |  | $ 1.0 | $ 0.6 |
Foreign Defined Benefit Plan Cash Contributions By Employer |  | $ 3.3 | 4.7 |
Maximum [Member] |  |  |  |
Employee Benefit Plans [Line Items] |  |  |  |
Multiemployer Plan, Contributions To Individual Plan, Percent |  | 5.00% |  |
Investment Objectives Achievement Period |  | 7 years |  |
Minimum [Member] |  |  |  |
Employee Benefit Plans [Line Items] |  |  |  |
Investment Objectives Achievement Period |  | 5 years |  |
Central States, Southeast and Southwest Areas Pension Plan [Member] |  |  |  |
Employee Benefit Plans [Line Items] |  |  |  |
Multiemployer Plans, IRS Extended Amortization Period | 10 years |  |  |
UNITED STATES |  |  |  |
Employee Benefit Plans [Line Items] |  |  |  |
Defined Contribution Plan, Employer Contribution Amount |  | $ 9.6 | 9.2 | $ 9.3
UNITED STATES | Maximum [Member] | Equity Securities [Member] |  |  |  |
Employee Benefit Plans [Line Items] |  |  |  |
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum (Deprecated 2017-01-31) |  | .65 |  |
UNITED STATES | Maximum [Member] | Fixed Income Securities [Member] |  |  |  |
Employee Benefit Plans [Line Items] |  |  |  |
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum (Deprecated 2017-01-31) |  | .80 |  |
UNITED STATES | Minimum [Member] | Equity Securities [Member] |  |  |  |
Employee Benefit Plans [Line Items] |  |  |  |
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum (Deprecated 2017-01-31) |  | .20 |  |
UNITED STATES | Minimum [Member] | Fixed Income Securities [Member] |  |  |  |
Employee Benefit Plans [Line Items] |  |  |  |
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum (Deprecated 2017-01-31) |  | .35 |  |
Foreign Plan [Member] |  |  |  |
Employee Benefit Plans [Line Items] |  |  |  |
Defined Contribution Plan, Employer Contribution Amount |  | $ 7.5 | $ 6.2 | $ 3.0

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- Definition Domestic Defined Benefit Plan Cash Contributions By Employer + References No definition available. + Details
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- Definition Description of target allocation percentages, or range of percentages, considering the major categories of plan assets as of the latest statement of financial position presented (on a weighted-average basis for employers with more than one plan) that are pertinent to an understanding of the plan investment policies and strategies. + 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=82843861&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=82843861&loc=d3e2446-114920 + Details
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- Definition Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e640-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i-k) -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580 + Details
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