Goodwill and Other Intangible Assets - Future Amortization Expense (Details) $ in Thousands	Sep. 30, 2018 USD ($)
Amortization expense
Amortization Expense, 2019	$ 6,372
Amortization Expense, 2020	5,803
Amortization Expense, 2021	4,746
Amortization Expense, 2022	3,858
Amortization Expense, 2023	1,696
Operations expense
Operations Expense, 2019	23
Operations Expense, 2020	23
Operations Expense, 2021	23
Operations Expense, 2022	2
Operations Expense, 2023	$ 0

Future Amortization Of Intangible Assets To Operations Expense [Abstract]

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- Definition

Future Amortization Of Intangible Assets To Operations Expense Year Five

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- Definition

Future Amortization Of Intangible Assets To Operations Expense Year Four

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- Definition

Future amortization of intangible assets to operations expense year one.

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- Definition

Future Amortization Of Intangible Assets To Operations Expense Year Three

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Future amortization of intangible assets to operations expense year two.

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- Definition

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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