Note 13. Supplemental Information

The components of “Other operating expense, net” for the three month and nine month periods ended September 30, 2017 and 2016 are as follows:

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2017		2016		2017		2016

Other Operating Expense, Net
Foreign currency losses (gains), net	$	1.7	$	0.5	$	6.3	$	(2.6	)
Restructuring charges, net ⁽¹⁾		2.8		3.0		4.9		15.4
Environmental remediation expenses⁽²⁾		-		-		0.9		-
Stock-based compensation expense ⁽³⁾		9.8		-		166.0		-
Other, net		3.1		8.9		8.6		13.3
Total other operating expense, net	$	17.4	$	12.4	$	186.7	$	26.1

⁽¹⁾

See Note 3 “Restructuring.”

⁽²⁾

Estimated environmental remediation costs recorded on an undiscounted basis for a former production facility.

⁽³⁾

Represents stock-based compensation expense recognized for stock options outstanding for the three months and nine months ended September 30, 2017 of $7.8 million and $69.2 million, respectively, and DSUs granted to employees at the date of the initial public offering for the three months and nine months ended September 30, 2017 of $2.0 million and $96.8 million, respectively. See Note 9 “Stock-Based Compensation”.