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Retirement Plans (tables) | 12 Months Ended
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Mar. 31, 2016
General Discussion Of Pension And Other Postretirement Benefits [Abstract] |
Schedule of Changes in Projected Benefit Obligations [Table Text Block] |
|  | 2016 |  | 2015
|  | (In thousands)
Change in Benefit Obligation |  |  |  |
Benefit obligation at beginning of year | $ | 212,908 | $ | 170,478
Service cost |  | 10,502 |  | 8,515
Interest cost |  | 8,902 |  | 8,236
Plan amendments |  | - |  | 952
Actuarial (gain) loss |  | (11,340) |  | 30,556
Benefit payments and expenses |  | (6,936) |  | (5,829)
Benefit obligation at end of year | $ | 214,036 | $ | 212,908
Change in Plan Assets |  |  |  |
Fair value of plan assets at beginning of year | $ | 157,948 | $ | 154,650
Actual gain on plan assets |  | 2,126 |  | 8,777
Employer contributions |  | 23,100 |  | 350
Benefit payments and expenses |  | (6,936) |  | (5,829)
Fair value of plan assets at end of year | $ | 176,238 | $ | 157,948
Unfunded Status | $ | (37,798) | $ | (54,960)
Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [Table Text Block] |
|  | 2016 |  | 2015
|  | (In thousands)
Amounts Recognized in Accumulated Other |  |  |  |
Comprehensive Pre-Tax Loss |  |  |  |
Prior service cost | $ | (843) | $ | (952)
Net loss |  | (45,248) |  | (50,883)
Accumulated other comprehensive pre-tax loss | $ | (46,091) | $ | (51,835)
Schedule of Amounts Recognized In Other Comprehensive Income Loss [Table Text Block] |
|  | Pension and
|  | post retirement plan
|  | adjustments, net
|  | of tax
|  | (In thousands)
Accumulated Other Comprehensive Loss |  |
Balance at March 31, 2015 | $ | (31,804)
Other comprehensive loss before reclassifications |  | 3,408
Reclassified from accumulated other comprehensive loss |  | -
Net current period other comprehensive loss |  | 3,408
Balance at March 31, 2016 | $ | (28,396)
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 2016, 2015, and 2014:
|  | 2016 |  | 2015 |  | 2014 |  |  |  |
|  | (In thousands) |  |  |  |
Service cost | $ | 10,502 | $ | 8,515 | $ | 7,752 |  |  |  |
Interest cost |  | 8,902 |  | 8,236 |  | 7,592 |  |  |  |
Expected return on plan assets |  | (11,685) |  | (11,360) |  | (9,938) |  |  |  |
Amortization of net loss |  | 3,854 |  | 350 |  | 2,434 |  |  |  |
Prior service cost |  | 109 |  | - |  | - |  |  |  |
Net periodic benefit cost | $ | 11,682 | $ | 5,741 | $ | 7,840 |  |  |  |
Schedule of Assumptions Used [Table Text Block] |
|  | 2016 |  | 2015 |
Discount rate - projected benefit obligation |  | 4.36 | % | 4.15 | %
Discount rate - pension expense |  | 4.15 | % | 4.85 | %
Expected return on plan assets |  | 7.25 | % | 7.25 | %
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, |
| 2017 |  | 2016 |  | 2015 |
Plan Assets |  |  |  |  |  |
Equity securities | 99 | % | 99 | % | 97 | %
Debt securities | - |  | - |  | - |
Real estate | - |  | - |  | - |
Cash | 1 |  | 1 |  | 3 |
Total | 100 | % | 100 | % | 100 | %
Schedule Of Derivative Assets At Fair Value [Table Text Block] |
|  | 2016 |  | 2015
|  | Market Value |  | Market Value
|  | (In thousands)
Assets by Industry Type |  |  |  |
Asset Category |  |  |  |
Cash and cash equivalents: |  |  |  |
Money market funds | $ | 1,497 | $ | 5,545
Total cash and cash equivalents |  | 1,497 |  | 5,545
Common equity securities: |  |  |  |
Materials |  | 9,379 |  | 5,460
Industrials |  | 30,355 |  | 33,813
Telecommunication services |  | 9,325 |  | 11,393
Consumer staples |  | 33,048 |  | 23,410
Energy |  | 14,658 |  | 15,062
Financials |  | 34,891 |  | 32,808
Health Care |  | 10,538 |  | 7,503
Information technology |  | 9,681 |  | 5,608
Utilities |  | 22,866 |  | 17,346
Total common equity securities |  | 174,741 |  | 152,403
Total assets | $ | 176,238 | $ | 157,948
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):
2017 |  |  | $ | 6,799
2018 |  |  |  | 7,394
2019 |  |  |  | 7,964
2020 |  |  |  | 8,577
2021 |  |  |  | 9,324
2022-2024 |  |  |  | 57,417

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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the change in the benefit obligation of pension plans and/or other employee benefit plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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