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Retirement Plans | 9 Months Ended
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Sep. 30, 2016
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- and nine-month periods ended 9/30/2016 and 2015.
|  |  |  | Select |  |
|  | Employees' |  | Executive |  | Postretirement
|  | Pension |  | Retirement |  | Benefit
|  | Plan |  | Plan |  | Plans
Net Periodic Benefit Cost |  |  |  |  |  |
For the Three Months Ended September 30, 2016: |  |  |  |  |  |
Service Cost |  | $ | 376 |  |  | $ | 8 |  |  | $ | 63 |
Interest Cost |  | 420 |  |  | 56 |  |  | 83 |
Expected Return on Plan Assets |  | (828 | ) |  | — |  |  | — |
Amortization of Prior Service (Credit) Cost |  | (14 | ) |  | 14 |  |  | (3 | )
Amortization of Net Loss |  | 140 |  |  | 28 |  |  | — |
Net Periodic Benefit Cost |  | $ | 94 |  |  | $ | 106 |  |  | $ | 143 |
Plan Contributions During the Period |  | $ | — |  |  | $ | 131 |  |  | $ | 47 |
For the Three Months Ended September 30, 2015: |  |  |  |  |  |
Service Cost |  | $ | 353 |  |  | $ | 3 |  |  | $ | 43 |
Interest Cost |  | 402 |  |  | 61 |  |  | 144 |
Expected Return on Plan Assets |  | (808 | ) |  | — |  |  | — |
Amortization of Prior Service (Credit) Cost |  | (21 | ) |  | 15 |  |  | (8 | )
Amortization of Net Loss |  | 139 |  |  | 30 |  |  | 24 |
Net Periodic Benefit Cost |  | $ | 65 |  |  | $ | 109 |  |  | $ | 203 |
Plan Contributions During the Period |  | $ | 3,000 |  |  | $ | 70 |  |  | $ | 106 |
Net Periodic Benefit Cost |  |  |  |  |  |
For the Nine Months Ended September 30, 2016: |  |  |  |  |  |
Service Cost |  | $ | 1,127 |  |  | $ | 24 |  |  | $ | 188 |
Interest Cost |  | 1,262 |  |  | 163 |  |  | 178 |
Expected Return on Plan Assets |  | (2,483 | ) |  | — |  |  | — |
Amortization of Prior Service Cost (Credit) |  | (42 | ) |  | 43 |  |  | (8 | )
Amortization of Net Loss |  | 419 |  |  | 84 |  |  | — |
Net Periodic Benefit Cost |  | $ | 283 |  |  | $ | 314 |  |  | $ | 358 |
Plan Contributions During the Period |  | $ | — |  |  | $ | 350 |  |  | $ | 197 |
Estimated Future Contributions in the Current Fiscal Year |  | $ | — |  |  | $ | 117 |  |  | $ | 66 |
For the Nine Months Ended September 30, 2015: |  |  |  |  |  |
Service Cost |  | $ | 1,058 |  |  | $ | 8 |  |  | $ | 130 |
Interest Cost |  | 1,203 |  |  | 182 |  |  | 361 |
Expected Return on Plan Assets |  | (2,423 | ) |  | — |  |  | — |
Amortization of Prior Service (Credit) Cost |  | (62 | ) |  | 44 |  |  | (23 | )
Amortization of Net Loss |  | 417 |  |  | 91 |  |  | 71 |
Net Periodic Benefit Cost |  | $ | 193 |  |  | $ | 325 |  |  | $ | 539 |
Plan Contributions During the Period |  | $ | 3,000 |  |  | $ | 344 |  |  | $ | 231 |
We were not required to make a contribution to our qualified pension plan in 2016, and currently, we do not expect to make additional contributions in 2016. Arrow makes contributions to its other post-retirement benefit plans in an amount equal to benefit payments for the year.

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