Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2020

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 Adjustments		Other Post Retirement Employee Benefit Plan Adjustments		Total
Balance at December 31, 2018	$	(83.0)	$	15.7	$	(67.3)
Amounts reclassified from accumulated other comprehensive loss	4.1		(0.2)		3.9
Other comprehensive income, net of tax	4.1		(0.2)		3.9
Balance at September 30, 2019	$	(79.0)	$	15.5	$	(63.5)
Balance at December 31, 2019	$	(67.8)	$	8.3	$	(59.5)
Amounts reclassified from accumulated other comprehensive loss	5.5		—		5.5
Other comprehensive income, net of tax	5.5		—		5.5
Balance at September 30, 2020	$	(62.4)	$	8.3	$	(54.0)