Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

v3.5.0.2
Basis of Presentation (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Sep. 30, 2015
Consolidated Statements of Income [Abstract]    
Deferred income taxes $ 1,324 $ 1,284
Deferred tax liabilities noncurrent $ (115,500) (125,298)
Adjustments for New Accounting Pronouncement    
Consolidated Statements of Income [Abstract]    
Deferred tax assets current   19,753
Deferred tax liabilities current   340
Deferred income taxes   346
Deferred tax liabilities noncurrent   $ 19,067