Employee Benefits (Tables)

6 Months Ended

Sep. 30, 2013

Compensation and Retirement Disclosure [Abstract]

Components of the Company's net periodic pension and other post-retirement benefit costs

The components of the Company’s net periodic pension and other post-retirement benefit costs are as follows:

	Pension Benefits
	Three Months Ended						Six Months Ended
	September 30, 2013			September 30, 2012			September 30, 2013			September 30, 2012
	(In thousands)						(In thousands)
Components of net periodic benefit cost:
Service cost	$	557		$	598		$	1,113		$	1,173
Interest cost	7,096			7,386			14,171			14,689
Expected return on plan assets	(7,536		)	(7,250		)	(15,060		)	(14,369		)
Amortization of:
Prior service cost	16			15			32			30
Actuarial loss	779			505			1,559			1,004
Net periodic benefit cost	$	912		$	1,254		$	1,815		$	2,527

	Other Post-Retirement Benefits
	Three Months Ended						Six Months Ended
	September 30, 2013			September 30, 2012			September 30, 2013			September 30, 2012
	(In thousands)						(In thousands)
Components of net periodic benefit cost:
Service cost	$	191		$	176		$	384		$	346
Interest cost	247			262			495			521
Amortization of:
Prior service cost	(123		)	(122		)	(245		)	(245		)
Actuarial loss	169			161			339			320
Net periodic benefit cost	$	484		$	477		$	973		$	942