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Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2023

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, 2021			$	(42.8)		$	0.3		$	(42.6)
Amounts reclassified from accumulated other comprehensive loss			2.3			—			2.3
Balance at June 30, 2022			$	(40.5)		$	0.3		$	(40.3)
Balance at December 31, 2022			$	(46.5)		$	13.3		$	(33.3)
Amounts reclassified from accumulated other comprehensive loss			—			(0.1)			(0.1)
Balance at June 30, 2023			$	(46.5)		$	13.1		$	(33.4)

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- Definition

Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss).

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Namespace Prefix:	us-gaap_
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