Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2026

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]


			Pension Plan Adjustments			Other Post Retirement Employee Benefit Plan Adjustments			Total
Balance at December 31, 2024			$	(47.8)		$	13.4		$	(34.5)
Amounts reclassified from accumulated other comprehensive loss			0.3			(0.2)			0.1
Balance at June 30, 2025			$	(47.5)		$	13.2		$	(34.4)

Balance at December 31, 2025			$	(44.2)		$	13.7		$	(30.5)
Amounts reclassified from accumulated other comprehensive loss			1.4			(0.2)			1.2
Balance at June 30, 2026			$	(42.9)		$	13.5		$	(29.3)