Supplemental Statement of Cash Flows Information (Schedule of Supplemental Statement of Cash Flows Information) (Details) - USD ($) $ in Thousands	3 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Supplemental Statement of Cash Flows Information
Interest paid, net of amounts capitalized	$ 10,749	$ 16,754
Income taxes paid	7,086	15,858
Income tax refunds received	12	444
Non-cash activities:
Purchases of property, plant and equipment on account	2,551	4,580
Impact of the adoption of ASC 606		38,700
Impact of the adoption of ASC 842 (Note 5)	$ 255
Impact of the adoption of ASU 2016-16		$ 1,005

Future cash outflow to pay for purchases of fixed assets that have occurred.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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The amount of cash received during the period as refunds for the overpayment of taxes.

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