Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2022

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, 2020	$	(54.5)	$	0.2	$	(54.3)
Other comprehensive income (loss) before reclassifications	—		(2.8)		(2.8)
Amounts reclassified from accumulated other comprehensive loss	5.7		0.2		5.8
Balance at September 30, 2021	$	(48.9)	$	(2.4)	$	(51.3)
Balance at December 31, 2021	$	(42.8)	$	0.3	$	(42.6)
Amounts reclassified from accumulated other comprehensive loss	3.5		—		3.5
Balance at September 30, 2022	$	(39.4)	$	0.3	$	(39.1)