Retirement and Postretirement Benefits - Amounts Expected to be Amortized from Accumulated Other Comprehensive Loss in Next Fiscal Year (Details) $ in Millions |
Dec. 31, 2018
USD ($)
|
---|---|
Pension | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |
Prior service cost | $ 0.4 |
Postretirement | |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |
Prior service cost | $ 0.1 |