Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
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Segment Reporting (Details) $ in Thousands	3 Months Ended								12 Months Ended
Segment Reporting (Details) $ in Thousands	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2016 USD ($) segment	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)
Segment Reporting
Number of Business Segment \| segment									1
Net revenues	$ 107,523	$ 101,255	$ 102,511	$ 95,070	$ 117,001	$ 121,270	$ 138,688	$ 110,676	$ 406,359	$ 487,635	$ 455,410
Long-lived assets	199,182				185,351				199,182	185,351
High-temperature resistant alloys
Segment Reporting
Net revenues									329,151	370,603	341,557
Corrosive-resistant alloys
Segment Reporting
Net revenues									77,208	117,032	113,853
United States
Segment Reporting
Net revenues									233,612	287,722	261,631
Long-lived assets	191,915				177,243				191,915	177,243
Europe
Segment Reporting
Net revenues									101,853	110,659	101,824
Long-lived assets	6,935				7,692				6,935	7,692
China
Segment Reporting
Net revenues									13,808	28,140	36,596
Long-lived assets	$ 332				$ 416				332	416
Other
Segment Reporting
Net revenues									$ 57,086	$ 61,114	$ 55,359