Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

The following table presents the Company’s net sales disaggregated by revenue source ($ in millions). Sales and usage-based taxes are excluded from net sales.



	Three Months Ended
	March 31, 2018						March 31, 2017
	AMS		EP		Total		AMS		EP		Total
Product revenues	$	108.4	$	120.8	$	229.2	$	91.3	$	113.3	$	204.6
Materials conversion revenues	6.2		24.7		30.9		8.2		19.0		27.2
Other revenues	0.7		1.1		1.8		0.5		1.0		1.5
Total revenues (1)	$	115.3	$	146.6	$	261.9	$	100.0	$	133.3	$	233.3

(1) Revenues include net hedging gains and losses for the three months ended March 31, 2018 and 2017.

Net sales are attributed to the following geographic locations based on the location of the Company’s direct customers ($ in millions):



	Three Months Ended
	March 31, 2018						March 31, 2017
	AMS		EP		Total		AMS		EP		Total
United States	$	78.1	$	49.7	$	127.8	$	68.7	$	46.3	$	115.0
Europe and the former Commonwealth of Independent States	15.8		57.6		73.4		11.2		49.2		60.4
Asia/Pacific (including China)	14.6		21.3		35.9		14.7		21.1		35.8
Latin America	3.2		11.5		14.7		2.3		10.5		12.8
Other foreign countries	3.6		6.5		10.1		3.1		6.2		9.3
Total revenues (1)	$	115.3	$	146.6	$	261.9	$	100.0	$	133.3	$	233.3

(1) Revenues include net hedging gains and losses for the three months ended March 31, 2018 and 2017.