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Rationalization Charges Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Restructuring Cost and Reserve [Line Items] |  |  |  |
Rationalization charges | $ 39,317 | $ 492 | $ 45,400 | $ 1,195
Metal containers plant closings and Central States Pension Plan withdrawal [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Rationalization charges | 38,700 |  |  |
Metal container plant closings [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Rationalization charges | 2,500 |  |  |
Remaining expenses for this rationalization plan | 1,200 |  | 1,200 |
Remaining cash expenditures for this rationalization plan |  |  | 2,900 |
Central States Pension Plan withdrawal [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Rationalization charges | 36,200 |  |  |
Metal container plant closings [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Rationalization charges |  |  | 437 |
Metal container plant closings [Member] | Metal containers plant closings and Central States Pension Plan withdrawal [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected cost | 3,700 |  | 3,700 |
Central States Pension Plan withdrawal [Member] | Metal containers plant closings and Central States Pension Plan withdrawal [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected cost | 56,400 |  | $ 56,400 |
Annually over the next twenty years [Member] | Central States Pension Plan withdrawal [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Remaining cash expenditures for this rationalization plan | 2,800 |  |  |
Accretion Expense | $ 1,000 |  |  |

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