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Components of Net Periodic Benefit Cost (Tables)

9 Months Ended

Mar. 31, 2020

Retirement Benefits [Abstract]

Schedule of Components of Net Benefit Costs

Net periodic benefit cost for benefit plans include the following components:

						Three Months Ended March 31,																		Nine Months Ended March 31,
($ in millions)						2020						2019						2020						2019
Service cost						$	6.2					$	3.9					$	18.6					$	11.7
Interest cost						12.3						6.7						36.9						20.1
Expected return on plan assets						(18.0)						(8.3)						(54.0)						(24.9)
Amortization of net loss						1.5						1.0						4.5						3.0
Amortization of prior service credit						(0.4)						(0.5)						(1.2)						(1.5)
Curtailment credit						—						—						—						(0.3)
Net periodic benefit cost						$	1.6					$	2.8					$	4.8					$	8.1

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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