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Postretirement and Other Benefits (Tables)

3 Months Ended

Mar. 31, 2017

Compensation and Retirement Disclosure [Abstract]

Net Pension Benefit Costs

The components of net pension and OPEB benefit costs for U.S. employees and net pension benefit costs for French employees during the three months ended March 31, 2017 and 2016 were as follows ($ in millions):

	Three Months Ended March 31,
	U.S. Pension Benefits								French Pension Benefits								U.S. OPEB Benefits
	2017				2016				2017				2016				2017				2016
Service cost	$	—			$	—			0.2				$	0.3			$	—			$	—
Interest cost	1.2				1.3				0.1				0.1				—				—
Expected return on plan assets	(1.6		)		(1.7		)		—				(0.1		)		—				—
Amortizations and other	0.9				1.0				0.3				0.3				0.1				0.1
Net periodic benefit cost	$	0.5			$	0.6			$	0.6			$	0.6			$	0.1			$	0.1

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- References

No definition available.

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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