Revenue (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

The following table discloses the disaggregated revenue from our contracts with customers by major end-use:

	For the three months ended March 31, 2018
	North America		Europe		Asia Pacific		Intra-entity sales			Total
Aerospace	$	—	$	70.8	$	14.8	$	—		$	85.6
Automotive	26.8		101.3		—		(9.0		)	119.1
Heat exchanger	—		66.0		—		—			66.0
Building and construction	189.2		—		—		—			189.2
Truck trailer	43.8		—		—		—			43.8
Distribution	107.0		—		15.9		—			122.9
Regional plate and sheet	—		109.1		—		—			109.1
Other	47.8		17.9		0.9		—			66.6
	$	414.6	$	365.1	$	31.6	$	(9.0	)	$	802.3