Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the income tax rates.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I)
-URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

Name:	us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Income Taxes (Narratives) (Details)	3 Months Ended		6 Months Ended		12 Months Ended
Income Taxes (Narratives) (Details)	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Mar. 31, 2020
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, Percent	24.00%	22.00%	23.00%	21.00%
Income tax expense as a percentage of income from continuing operations	21.00%
Minimum [Member] \| Scenario, Forecast
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent					22.00%
Maximum [Member] \| Scenario, Forecast
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent					23.00%