Employee Benefit Plans

9 Months Ended

Dec. 31, 2012

Compensation and Retirement Disclosure [Abstract]

13. Employee Benefit Plans

13. Employee Benefit Plans

The components of the net periodic benefit costs with respect to postretirement benefits were as follows:

		Quarter Ended December 31,
		2012		2011
		(Unaudited)
		(In thousands)
Service cost for benefits earned during the period	$	155	$	129
Interest cost on accumulated postretirement benefit		139		142
Other components		1		(4	)
Net periodic postretirement benefit cost	$	295	$	267
		Nine Months Ended December 31,
		2012		2011
		(Unaudited)
		(In thousands)
Service cost for benefits earned during the period	$	466	$	386
Interest cost on accumulated postretirement benefit		416		426
Other components		3		(12	)
Net periodic postretirement benefit cost	$	885	$	800