Goodwill and Intangible Assets Intangible Assets (Tables)

3 Months Ended

Dec. 31, 2018

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 three months endedDecember 31, 2018 are as follows (dollars in thousands):

	Intangible Assets
Balance as of September 30, 2018	$	450,001
Acquisitions	1,216
Amortization	(26,731		)
Effect of foreign currency translation	(454		)
Balance as of December 31, 2018	$	424,032