Intangible Assets (Tables)

9 Months Ended

Sep. 30, 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):

	September 30, 2020						December 31, 2019
	Gross Carrying Amount		Accumulated Amortization		Net Amount		Gross Carrying Amount		Accumulated Amortization		Net Amount
Sales order book	$	54.6	$	30.7	$	23.9	$	54.6	$	29.9	$	24.7
Customer relationships	68.9		27.6		41.3		68.9		24.1		44.8
Total	$	123.5	$	58.3	$	65.2	$	123.5	$	54.0	$	69.5