Retirement Benefits - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Defined Benefit Plan Disclosure [Line Items] | ||
| Defined Contribution Plan, Cost | $ 2.8 | $ 2.7 |
| $900 revolving credit facility (excluding outstanding letters of credit) | ||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 757.0 | |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of cost for defined contribution plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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