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Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2022

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):


			March 31, 2022																		December 31, 2021
			Gross Carrying Amount						Accumulated Amortization						Net Amount						Gross Carrying Amount						Accumulated Amortization						Net Amount
Sales order book			$	54.6					$	35.5					$	19.1					$	54.6					$	35.5					$	19.1
Customer relationships			68.9						34.4						34.5						68.9						33.3						35.6
Total			$	123.5					$	69.9					$	53.6					$	123.5					$	68.8					$	54.7