Income Taxes (Tables)

6 Months Ended

Mar. 31, 2021

Income Tax Disclosure [Abstract]

Current and Deferred Income Tax Expense

The current and deferred income tax expense for the three and six months ended March 31, 2021, and March 31, 2020 are as follows:

	Three Months Ended					Six Months Ended
	March 31,					March 31,
(in thousands)	2021		2020			2021		2020
Income before income taxes	$	117,316	$	83,108		$	170,004	$	122,645
Current income tax expense		23,130		25,814			34,357		36,260
Deferred income tax expense (benefit)		9,022		(1,114	)		12,623		222
Total income tax expense	$	32,152	$	24,700		$	46,980	$	36,482