Defined Benefit Pension and Other Postretirement Benefit Plans (Tables)

9 Months Ended

Dec. 31, 2012

Defined Benefit Pension and Other Postretirement Benefit Plans

Components of net periodic benefit (income) costs relating to pension and other postretirement benefit plans

The components of net periodic benefit (income) costs relating to the Company’s pension and other postretirement benefit plans are as follows for the quarters ended December 31, 2012 and 2011 (amounts in thousands):

	Pension						Postretirement Benefit Plans
	Quarters Ended December 31,						Quarters Ended December 31,
	2012			2011			2012			2011
Net service cost	$	353		$	331		$	—		$	—
Interest cost	436			533			7			11
Expected return on net assets	(149		)	(175		)	—			—
Amortization:
Actuarial (gain) loss	137			96			(82		)	(81		)
Prior service cost	3			6			—			—
Curtailment loss on benefit plans	587			—			—			—
Total net periodic benefit (income) costs	$	1,367		$	791		$	(75	)	$	(70	)

The components of net periodic benefit costs relating to the Company’s pension and other postretirement benefit plans are as follows for the nine months ended December 31, 2012 and 2011 (amounts in thousands):

	Pension						Postretirement Benefit Plans
	Nine Months Ended December 31,						Nine Months Ended December 31,
	2012			2011			2012			2011
Net service cost	$	1,182		$	994		$	—		$	—
Interest cost	1,424			1,600			21			33
Expected return on net assets	(493		)	(525		)	—			—
Amortization:
Actuarial (gain) loss	397			287			(243		)	(243		)
Prior service cost	15			18			—			—
Net curtailment and settlement gain on benefit plans	(1,088		)	—			—			—
Total net periodic benefit (income) costs	$	1,437		$	2,374		$	(222	)	$	(210	)