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Note 4 - Retirement Plans | 3 Months Ended
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Mar. 31, 2014
Compensation and Retirement Disclosure [Abstract] |
Pension and Other Postretirement Benefits Disclosure [Text Block] | 4. Retirement Plans The following table provides the components of net periodic benefit cost for our pension plans for the three- month periods ended March 31, 2014 and 2013, respectively (in thousands):
|  | Three Months Ended March 31, |
|  | 2014 |  |  | 2013 |
Service cost |  | $ | 1,345 |  |  | $ | 1,325 |
Interest cost |  |  | 1,070 |  |  |  | 917 |
Expected return on plan assets |  |  | (1,094 | ) |  |  | (830 | )
Loss amortization |  |  | 252 |  |  |  | 742 |
Net periodic benefit cost |  | $ | 1,573 |  |  | $ | 2,154 |
During the three months ended March 31, 2014, we contributed $1.0 million to our pension plans. During the remainder of 2014, we expect to contribute an additional $5.1 million to our pension plans.

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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 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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