XML 40 R29.htm IDEA: XBRL DOCUMENT v3.21.2
Accumulated Other Comprehensive Loss (Tables)
9 Months Ended
Sep. 30, 2021
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Accumulated other comprehensive loss, net of tax, is comprised of the following:
Pension Plan AdjustmentsOther Post Retirement Employee Benefit Plan AdjustmentsTotal
Balance at December 31, 2019$(67.8)$8.3 $(59.5)
Amounts reclassified from accumulated other comprehensive loss5.5 — 5.5 
Balance at September 30, 2020$(62.4)$8.3 $(54.0)
Balance at December 31, 2020$(54.5)$0.2 $(54.3)
Other comprehensive loss before reclassifications— (2.8)(2.8)
Amounts reclassified from accumulated other comprehensive loss5.7 0.2 5.8 
Balance at September 30, 2021$(48.9)$(2.4)$(51.3)