Employee Benefit Plans (Tables)

3 Months Ended

Dec. 31, 2012

Components of Net Pension Cost

The components of the Company’s net pension cost related to the Helix Plan (for December 31, 2011), the Nexus Plan and the Taiwan Plan for the three months ended December 31, 2012 and 2011 is as follows (in thousands):

	Three months ended December 31,
	2012			2011
Service cost	$	178		$	151
Interest cost		45			249
Amortization of losses		2			115
Expected return on assets		(77	)		(235	)
Net periodic pension cost		148			280
Settlement loss		87			—
Total pension cost	$	235		$	280