XML 94 R82.htm IDEA: XBRL DOCUMENT v3.19.1
Property, Plant, and Equipment (Schedule of Depreciation Expense) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Property, Plant, and Equipment        
Depreciation expense $ 20,164 $ 15,754 $ 41,333 $ 30,581