Selected Account Information - Schedule of Selling, General and Administrative Expenses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Selected Account Information
Taxes and permits	$ 2,370	$ 2,005	$ 4,551	$ 4,171
Advertising and marketing	2,070	1,837	4,218	3,802
Supplies and services	1,465	1,315	2,921	2,683
Insurance	1,402	1,368	2,755	2,627
Accounting and professional fees	1,278	670	1,928	1,556
Rent	957	957	1,976	1,897
Charge card fees	886	784	1,819	1,671
Legal	773	1,009	1,831	1,386
Utilities	762	738	1,506	1,433
Security	756	632	1,465	1,270
Repairs and maintenance	721	521	1,308	1,091
Other	901	1,012	2,090	2,073
Selling, general and administrative expenses	$ 14,341	$ 12,848	$ 28,368	$ 25,660

Fees associated with the usage of charge cards incurred during the reporting period.

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- Definition

Security expense.

+ References

No definition available.

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- References

No definition available.

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- Definition

Supplies and services.

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No definition available.

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- Definition

Utilities.

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No definition available.

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- Definition

The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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- Definition

The expense in the period incurred with respect to protection provided by insurance entities against risks other than risks associated with production (which are allocated to cost of sales).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

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- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-03.3)
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- Definition

The total expense recognized in the period for promotion, public relations, and brand or product advertising.

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-SubTopic 10
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- Definition

Amount of selling, general and administrative expense classified as other.

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- Definition

A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

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-Paragraph 1
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- Definition

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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- Definition

Amount of tax expense classified as other.

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No definition available.

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