Represents the amount of nonoperating retirement benefit expense.

No definition available.

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- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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- Definition

Amount of cash outflow associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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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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Summary of Significant Accounting Policies - Recently Issued Accounting Standards (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2019
Recently Issued Accounting Pronouncements
Cost of goods sold	$ 424,712	$ 379,491	$ 349,520
Selling, general and administrative expense	44,195	47,030	41,569
Nonoperating retirement benefit expense	3,446	8,238	16,803
Accumulated other comprehensive income (loss)	(80,638)	(42,565)
Retained earnings	$ 125,296	126,588
ASU 2016-08
Recently Issued Accounting Pronouncements
Addition of restricted cash				$ 5,446
Forecast \| ASU 2018-02
Recently Issued Accounting Pronouncements
Accumulated other comprehensive income (loss)					$ (13,300)
Retained earnings					$ 13,300
Reclassification upon adoption \| ASU 2017-07
Recently Issued Accounting Pronouncements
Cost of goods sold		(8,157)	(15,979)
Selling, general and administrative expense		$ (81)	$ (824)