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Retirement Plans (tables) | 12 Months Ended
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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

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- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + 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 (d)(5) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the amounts related to pension plans and/or other employee benefit plans in accumulated other comprehensive income (loss) expected to be recognized as components of net periodic benefit cost over the next fiscal year, including the net gain (loss), net prior service cost or credit, and net transition asset or obligation. + 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 (s) -URI http://asc.fasb.org/extlink&oid=21915506&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=21915506&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=21915506&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=21915506&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 158 -Paragraph 4, 7, 16, 20, 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2417-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=21916443&loc=d3e4179-114921 Reference 4: 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=21915506&loc=d3e1928-114920 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2410-114920 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2439-114920 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5, 6, 7 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + 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=21915506&loc=d3e1928-114920 + Details
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