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Benefit Plans (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Oct. 01, 2017 | Sep. 30, 2018 | Oct. 01, 2017
Benefit Plans [Abstract] |  |  |  |
Maximum percentage of total benefit obligation for international pension plans | 25.00% |  | 25.00% |
Amortization [Abstract] |  |  |  |
Pension settlement loss | $ 3.6 | $ 0.0 | $ 3.6 | $ 0.0
Pension Benefits [Member] |  |  |  |
Components of net periodic benefit cost [Abstract] |  |  |  |
Service cost | 1.9 | 1.4 | 5.8 | 5.5
Interest cost | 3.2 | 3.0 | 9.3 | 9.2
Expected return on plan assets | (5.0) | (4.5) | (14.6) | (13.6)
Amortization [Abstract] |  |  |  |
Prior service cost | 0.1 | 0.5 | 0.3 | 1.7
Recognized net actuarial (gain) loss | 2.9 | 2.1 | 8.4 | 6.3
Pension settlement loss | 3.6 | 0.0 | 3.6 | 0.0
Net periodic benefit cost | 6.7 | 2.5 | 12.8 | 9.1
Employer Contributions [Abstract] |  |  |  |
Expected company contribution to its benefit plans | 24.0 |  | 24.0 |
Company contribution to benefit plans |  |  | 18.6 |
Other Benefits [Member] |  |  |  |
Components of net periodic benefit cost [Abstract] |  |  |  |
Service cost | 0.1 | 0.1 | 0.2 | 0.2
Interest cost | 0.0 | 0.1 | 0.1 | 0.2
Amortization [Abstract] |  |  |  |
Prior service cost | (0.2) | (0.8) | (0.7) | (2.3)
Recognized net actuarial (gain) loss | (0.2) | (0.1) | (0.5) | (0.2)
Net periodic benefit cost | (0.3) | $ (0.7) | (0.9) | $ (2.1)
Employer Contributions [Abstract] |  |  |  |
Expected company contribution to its benefit plans | $ 0.5 |  | 0.5 |
Company contribution to benefit plans |  |  | $ 0.1 |

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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(4) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2709-114920 + Details
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2709-114920 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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