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Restructuring - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 30, 2019 | Mar. 31, 2018
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | $ 54.3 |
Carrying values in excess of estimated fair values | 2.1 |
Expected restructuring costs | 51.0 |
Employee termination costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 49.1 |
Fixed asset impairment charges |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 2.1 | $ 0.9
Contract termination costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 1.5 |
Other related costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 1.6 |
Cost of sales |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 48.6 |
Selling, general and administrative expenses |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | $ 5.7 |

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- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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