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Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Excess Reorganization Value [Table Text Block]

Intangible asset balances are as follows (in millions):


			September 30, 2023																		December 31, 2022
			Gross Carrying Amount						Accumulated Amortization						Net Amount						Gross Carrying Amount						Accumulated Amortization						Net Amount
Sales order book			$	54.6					$	40.7					$	13.9					$	54.6					$	39.9					$	14.7
Customer relationships			68.9						41.3						27.6						68.9						37.9						31.0
Total			$	123.5					$	82.0					$	41.5					$	123.5					$	77.8					$	45.7