Goodwill Goodwill Adjustments (Details) - USD ($)	6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, Translation and Purchase Accounting Adjustments	$ 0	$ (1,200,000)
Goodwill, Acquired During Period	200,000
Indefinite-lived Intangible Assets, Translation and Purchase Accounting Adjustments	$ 2,000,000