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Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2020

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, 2020												December 31, 2019
	Gross Carrying Amount				Accumulated Amortization				Net Amount				Gross Carrying Amount				Accumulated Amortization				Net Amount
Sales order book	$	54.6			$	30.1			$	24.5			$	54.6			$	29.9			$	24.7
Customer relationships	68.9				25.3				43.6				68.9				24.1				44.8
Total	$	123.5			$	55.4			$	68.1			$	123.5			$	54.0			$	69.5