Supplemental Cash Flow Information (Tables)

12 Months Ended

Sep. 30, 2019

Supplemental Cash Flow Information [Abstract]

Cash Paid for Interest and Income Taxes

Cash paid for Interest and Income Taxes

	Year Ended September 30,
	2019		2018		2017
	(Dollars in thousands)
Interest paid	$	72,630	$	93,121	$	91,718
Income taxes paid	$	24,056	$	18,485	$	21,700