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Retirement Plans (Tables)

9 Months Ended

Jun. 30, 2016

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule of Net Periodic Benefit Cost

The components of net periodic benefit cost for our pension plans are as follows.

	Three months ended								Nine months ended
	June 30,								June 30,
	2016				2015				2016				2015
	(in millions)
Service cost	$	0.5			$	0.5			$	1.3			$	1.5
Interest cost	5.0				5.0				15.1				15.0
Expected return on plan assets	(4.9		)		(6.2		)		(15.1		)		(18.5		)
Amortization of actuarial net loss	0.7				0.8				2.3				2.4
Net periodic benefit cost	$	1.3			$	0.1			$	3.6			$	0.4

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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=58740216&loc=d3e1928-114920

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