Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 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	2.7		(0.1)		2.5
Other comprehensive income, net of tax	2.7		(0.1)		2.5
Balance at June 30, 2019	$	(80.3)	$	15.6	$	(64.8)
Balance at December 31, 2019	$	(67.8)	$	8.3	$	(59.5)
Amounts reclassified from accumulated other comprehensive loss	3.7		—		3.7
Other comprehensive income, net of tax	3.7		—		3.7
Balance at June 30, 2020	$	(64.1)	$	8.3	$	(55.8)