Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation New Accounting Pronouncements Adopted (Details)

v3.20.2
Basis of Presentation New Accounting Pronouncements Adopted (Details) - USD ($)
$ in Thousands
 9 Months Ended
Jun. 30, 2020
Oct. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Accounting Standards Update [Extensible List] us-gaap:AccountingStandardsUpdate201602Member  
Operating lease, right-of-use asset $ 73,650  
Operating lease liability $ 74,630  
Accounting Standards Update 2016-02    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Operating lease, right-of-use asset   $ 80,000
Operating lease liability   $ 80,000