Segment Reporting (Tables)

12 Months Ended

Sep. 30, 2016

Segment Reporting

Schedule of revenues from external customers attributable to geographic areas

	Year Ended September 30,
	2014		2015		2016
Net Revenue by Geography:
United States	$	261,631	$	287,722	$	233,612
Europe		101,824		110,659		101,853
China		36,596		28,140		13,808
Other		55,359		61,114		57,086
Net Revenues	$	455,410	$	487,635	$	406,359
Net Revenue by Product Group:
High-temperature resistant alloys	$	341,557	$	370,603	$	329,151
Corrosive-resistant alloys		113,853		117,032		77,208
Net revenues	$	455,410	$	487,635	$	406,359

Schedule of long-lived assets by geographic areas

	September 30,
	2015		2016
Long-lived Assets by Geography:
United States	$	177,243	$	191,915
Europe		7,692		6,935
China		416		332
Total long-lived assets	$	185,351	$	199,182