Retirement Plans (tables)

12 Months Ended

Mar. 31, 2013

General Discussion Of Pension And Other Postretirement Benefits [Abstract]

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

		2013		2012
		(In thousands)
Change in Benefit Obligation
Benefit obligation at beginning of year	$	140,570	$	118,821
Service cost		6,988		5,424
Interest cost		7,265		6,837
Actuarial loss		13,828		14,220
Benefit payments and expenses		(5,120)		(4,732)
Benefit obligation at end of year	$	163,531	$	140,570
Change in Plan Assets
Fair value of plan assets at beginning of year	$	116,798	$	100,101
Actual gain on plan assets		20,338		6,029
Employer contributions		3,000		15,400
Benefit payments and expenses		(5,120)		(4,732)
Fair value of plan assets at end of year	$	135,016	$	116,798
Unfunded Status	$	(28,515)	$	(23,772)

Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [Table Text Block]

		2013		2012
		(In thousands)
Amounts Included in Accumulated Other
Comprehensive Pre-Tax Loss
Net loss	$	(36,622)	$	(37,719)
Accumulated other comprehensive pre-tax loss	$	(36,622)	$	(37,719)

Schedule of Costs of Retirement Plans [Table Text Block]

The following table provides the components of net periodic benefit cost for the Plan for fiscal years 2013, 2012, and 2011:
		2013		2012		2011
		(In thousands)
Service cost	$	6,988	$	5,424	$	5,141
Interest cost		7,265		6,837		6,455
Expected return on plan assets		(8,603)		(8,140)		(7,347)
Amortization of net loss		3,190		1,350		1,497
Amortization of transition asset		0		(227)		(276)
Net periodic benefit cost	$	8,840	$	5,244	$	5,470

Schedule of Assumptions Used [Table Text Block]

	2013		2012
Discount rate - benefit obligation	4.70	%	5.10	%
Discount rate - pension expense	5.10	%	5.85	%
Expected return on plan assets	7.50	%	8.00	%
Rate of compensation increase	3.00	%	3.00	%

Schedule of Allocation of Plan Assets [Table Text Block]

The Company's plan assets consist of the following:
	Target		Percentage of Plan
	Allocation		Assets at March 31,
	2014		2013		2012
Plan Assets
Equity securities	99	%	99	%	99	%
Debt securities	0		0		0
Real estate	0		0		0
Cash	1		1		1
Total	100	%	100	%	100	%

Schedule of Expected Contributions [Table Text Block]

Expected Employer Contributions	$	0
Expected Employee Contributions		0

Schedule of Expected Benefit Payments [Table Text Block]

Estimated future benefit payments reflecting expected future
service for the fiscal years ending March 31 (in thousands):
2014	$	5,406
2015		5,886
2016		6,170
2017		6,746
2018		7,343
2019-2022		46,842