Segment Reporting (Tables)

12 Months Ended

Sep. 30, 2012

Segment Reporting

Schedule of sales between geographic areas

	Year Ended September 30,
	2010		2011		2012
Net Revenue by Geography:
United States	$	231,607	$	344,983	$	346,750
Europe		81,332		105,725		121,781
China		33,693		40,934		48,183
Other		34,911		51,254		62,847
Net Revenues	$	381,543	$	542,896	$	579,561
Net Revenue by Product Group:
High-temperature resistant alloys	$	286,157	$	412,601	$	423,080
Corrosive-resistant alloys		95,386		130,295		156,481
Net revenues	$	381,543	$	542,896	$	579,561

Schedule of long-lived assets by geographic areas

	September 30,
	2011		2012
Long-lived Assets by Geography:
United States	$	112,354	$	126,236
Europe		3,986		3,759
China		778		675
Total long-lived assets	$	117,118	$	130,670