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Restructuring - Narrative (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 03, 2020 USD ($) | Oct. 03, 2020 USD ($)
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges, including curtailment and settlement losses |  | $ 119.3
Restructuring charges |  | 109.1
Carrying values in excess of estimated fair values | $ 12.5 | 12.5
Impairment of right of use assets |  | 2.0
Expected restructuring costs | 30.0 | 30.0
Pension |  |
Restructuring Cost And Reserve [Line Items] |  |
Settlement loss | $ 10.2 | 10.2
Employee termination costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges |  | 84.3
Asset impairment charges |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges |  | 14.5
Contract termination costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges |  | 0.9
Other related costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges |  | 9.4
Cost of sales |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges |  | 83.0
Selling, general and administrative expenses |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges |  | 23.4
Other expense, net |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges |  | $ 12.9

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