Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.19.2
Income Taxes (Details) - USD ($)
3 Months Ended 9 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2017
Jun. 30, 2019
Jun. 30, 2018
Sep. 30, 2018
TaxRate [Line Items]            
FederalCorporateTaxRate 35.00%     35.00%    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent           24.50%
Effective income tax rate (as a percent) 26.80% 29.60%   28.50% 60.70%  
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount     $ 14,300,000      
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability     $ 14,900,000