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Retirement Plans | 3 Months Ended
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Mar. 31, 2015
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract] |
Pension and Other Postretirement Benefits Disclosure [Text Block] | RETIREMENT PLANS (Dollars in Thousands) The following tables provide the components of net periodic benefit costs for the three-month period ended March 31:
|  |  |  | Select |  |
|  | Employees' |  | Executive |  | Postretirement
|  | Pension |  | Retirement |  | Benefit
|  | Plan |  | Plan |  | Plans
Net Periodic Benefit Cost |  |  |  |  |  |
For the Three Months Ended March 31, 2015: |  |  |  |  |  |
Service Cost |  | $ | 353 |  |  | $ | 3 |  |  | $ | 43 |
Interest Cost |  | 394 |  |  | 48 |  |  | 58 |
Expected Return on Plan Assets |  | (808 | ) |  | — |  |  | — |
Amortization of Prior Service Cost (Credit) |  | (20 | ) |  | 15 |  |  | (8 | )
Amortization of Net Loss |  | 138 |  |  | 30 |  |  | 24 |
Net Periodic Benefit Cost |  | $ | 57 |  |  | $ | 96 |  |  | $ | 117 |
Plan Contributions During the Period |  | $ | — |  |  | $ | 115 |  |  | $ | 47 |
Estimated Future Contributions in the Current Fiscal Year |  | $ | — |  |  | $ | 345 |  |  | $ | 141 |
For the Three Months Ended March 31, 2014: |  |  |  |  |  |
Service Cost |  | $ | 377 |  |  | $ | — |  |  | $ | 53 |
Interest Cost |  | 330 |  |  | 61 |  |  | 110 |
Expected Return on Plan Assets |  | (722 | ) |  | — |  |  | — |
Amortization of Prior Service (Credit) Cost |  | (11 | ) |  | 18 |  |  | (29 | )
Amortization of Net Loss |  | 86 |  |  | 23 |  |  | 7 |
Net Periodic Benefit Cost |  | $ | 60 |  |  | $ | 102 |  |  | $ | 141 |
Plan Contributions During the Period |  | $ | — |  |  | $ | 119 |  |  | $ | 142 |
We are not required to make a contribution to our qualified pension plan in 2015, and currently, we do not expect to make a contribution in 2015. Arrow makes contributions to its other post-retirement benefit plans in an amount equal to benefit payments for the year.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 Reference 2: 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=58740216&loc=d3e2410-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=49170332&loc=SL14450702-114947 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414199&loc=d3e39622-114963 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39675-114964 + Details
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