Goodwill and Intangible Assets Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The changes in the carrying amount of intangible assets for the six months ended March 31, 2020 are as follows (dollars in thousands):

	Intangible Assets
Balance at September 30, 2019	$	291,371
Amortization	(37,613		)
Effect of foreign currency translation	(344		)
Balance at March 31, 2020	$	253,414