Summary of Significant Accounting Policies Improving the Presentation of Net Periodic Pension Cost (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |
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Mar. 31, 2018 |
Mar. 31, 2019 |
Mar. 31, 2018 |
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||
2017 Periodic Pension Cost Restatement | $ 0.2 | ||
Accounting Standards Update 2017-07 [Member] | Cost of Goods, Total [Member] | |||
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||
2017 Periodic Pension Cost Restatement | $ (0.1) | $ 0.2 | |
Accounting Standards Update 2017-07 [Member] | Operating expense | |||
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||
2017 Periodic Pension Cost Restatement | $ 0.1 |
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- Definition Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements. No definition available.
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