Note 14. Supplemental Information

The components of “Other operating expense, net” for the three month and six month periods ended June 30, 2018 and 2017 are as follows.

	For the Three Month Period Ended June 30,						For the Six Month Period Ended June 30,
	2018			2017			2018			2017
Other Operating Expense, Net
Foreign currency transaction (gains) losses, net	$	(2.4	)	$	4.0		$	0.2		$	4.7
Restructuring charges, net ⁽¹⁾		-			0.4			-			2.1
Environmental remediation expenses⁽²⁾		-			(0.1	)		-			0.9
Stock-based compensation expense ⁽³⁾		(0.8	)		156.2			1.9			156.2
Shareholder litigation settlement recoveries⁽⁴⁾		-			-			(4.5	)		-
Acquisition related expenses and non-cash charges⁽⁵⁾		2.9			1.0			5.9			1.8
(Gains) losses on asset and business disposals		-			(0.5	)		(1.2	)		2.5
Other, net		0.9			0.4			2.6			1.1
Total other operating expense, net	$	0.6		$	161.4		$	4.9		$	169.3

⁽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 the three month and six month periods ended June 30, 2018 of $1.8 million and $5.2 million, respectively, reduced by a ($2.6 million) and ($3.3 million) decrease in the estimated accrual for employer taxes for the three month and six month periods ended June 30, 2018, respectively, as a result of the achievement of employer tax caps in countries outside of the United States. Represents stock-based compensation expense recognized for stock options outstanding of $61.4 million and DSUs granted to employees at the date of the initial public offering of $94.8 million under the 2013 Stock Incentive Plan for the three and six month periods ended June 30, 2017.

⁽⁴⁾

Represents an insurance recovery of the Company’s shareholder litigation settlement in 2014.

⁽⁵⁾

Represents costs associated with successful and/or abandoned acquisitions, including third-party expenses, post-closure integration costs and non-cash charges and credits arising from fair value purchase accounting adjustments.