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Note 7 - Pensions and Other Postretirement Benefits (Tables) | 12 Months Ended
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Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract] |
Schedule of Changes in Projected Benefit Obligations [Table Text Block] |
|  | Pension Plan |  |  | Postretirement Plan |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Accumulated benefit obligation at end of year |  | $ | 65,454 |  |  | $ | 57,632 |  |  | $ | 22,813 |  |  | $ | 19,794 |
Change in benefit obligation: |  |  |  |  |
Benefit obligation at beginning of year |  | $ | 70,635 |  |  | $ | 81,148 |  |  | $ | 19,794 |  |  | $ | 23,794 |
Service cost |  |  | 2,904 |  |  |  | 3,144 |  |  |  | 907 |  |  |  | 1,153 |
Interest cost |  |  | 2,896 |  |  |  | 2,851 |  |  |  | 845 |  |  |  | 724 |
Settlement cost |  |  | - |  |  |  | 191 |  |  |  | - |  |  |  | - |
Benefits paid |  |  | (3,584 | ) |  |  | (11,371 | ) |  |  | (1,736 | ) |  |  | (1,370 | )
Effect of foreign exchange |  |  | - |  |  |  | - |  |  |  | (49 | ) |  |  | (68 | )
Actuarial loss (gain) |  |  | 7,219 |  |  |  | (5,328 | ) |  |  | 3,052 |  |  |  | (4,439 | )
Benefit obligation at end of year |  | $ | 80,069 |  |  | $ | 70,635 |  |  | $ | 22,813 |  |  | $ | 19,794 |
Change in plan assets: |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year |  | $ | 70,889 |  |  | $ | 73,631 |  |  | $ | - |  |  | $ | - |
Actual return on plan assets |  |  | 5,768 |  |  |  | 4,429 |  |  |  | - |  |  |  | - |
Employer contributions |  |  | 2,500 |  |  |  | 4,200 |  |  |  | 1,736 |  |  |  | 1,370 |
Benefits paid |  |  | (3,584 | ) |  |  | (11,371 | ) |  |  | (1,736 | ) |  |  | (1,370 | )
Fair value of plan assets at end of year |  |  | 75,573 |  |  |  | 70,889 |  |  |  | - |  |  |  | - |
Funded status at end of year |  | $ | (4,496 | ) |  | $ | 254 |  |  | $ | (22,813 | ) |  | $ | (19,794 | )
Amounts recognized in the Consolidated Balance Sheets consist of: |
Noncurrent assets |  | $ | - |  |  | $ | 254 |  |  | $ | - |  |  | $ | - |
Total assets |  | $ | - |  |  | $ | 254 |  |  | $ | - |  |  | $ | - |
Current liabilities |  | $ | - |  |  | $ | - |  |  | $ | (1,516 | ) |  | $ | (1,401 | )
Noncurrent liabilities |  |  | (4,496 | ) |  |  | - |  |  |  | (21,297 | ) |  |  | (18,393 | )
Total liabilities |  | $ | (4,496 | ) |  | $ | - |  |  | $ | (22,813 | ) |  | $ | (19,794 | )
Amounts recognized in accumulated other comprehensive loss consist of: |
Net actuarial loss (gain) |  | $ | 28,836 |  |  | $ | 24,295 |  |  | $ | (7,601 | ) |  | $ | (11,871 | )
Deferred tax (benefit) expense |  |  | (11,162 | ) |  |  | (9,496 | ) |  |  | 2,915 |  |  |  | 4,471 |
After tax actuarial loss (gain) |  | $ | 17,674 |  |  | $ | 14,799 |  |  | $ | (4,686 | ) |  | $ | (7,400 | )
Schedule of Net Benefit Costs [Table Text Block] |
Components of net periodic benefit cost: |
|  | 2014 |  |  | 2013 |  |  | 2012 |
Pension Plan |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 2,904 |  |  | $ | 3,144 |  |  | $ | 3,188 |
Interest cost |  |  | 2,895 |  |  |  | 2,851 |  |  |  | 2,803 |
Expected return on plan assets |  |  | (4,755 | ) |  |  | (5,080 | ) |  |  | (4,591 | )
Recognized actuarial loss |  |  | 1,664 |  |  |  | 2,080 |  |  |  | 2,441 |
Settlement loss |  |  | - |  |  |  | 4,169 |  |  |  | 2,935 |
Net periodic benefit cost |  | $ | 2,708 |  |  | $ | 7,164 |  |  | $ | 6,776 |
Other changes in pension plan assets and benefit obligations recognized in other comprehensive loss: |
Net loss (gain) |  | $ | 4,541 |  |  | $ | (10,734 | ) |  | $ | 1,371 |
Total expense (income) recognized in net periodic benefit cost and other comprehensive income |  | $ | 7,249 |  |  | $ | (3,570 | ) |  | $ | 8,147 |
Postretirement Plan |
Service cost |  | $ | 907 |  |  | $ | 1,153 |  |  | $ | 1,156 |
Interest cost |  |  | 845 |  |  |  | 724 |  |  |  | 871 |
Recognized actuarial gain |  |  | (1,181 | ) |  |  | (723 | ) |  |  | (647 | )
Net periodic benefit cost |  | $ | 571 |  |  | $ | 1,154 |  |  | $ | 1,380 |
Other changes in post retirement plan assets and benefit obligations recognized in other comprehensive loss: |
Net loss (gain) |  | $ | 4,233 |  |  | $ | (3,717 | ) |  | $ | (384 | )
Total expense (income) recognized in net periodic benefit cost and other comprehensive income |  | $ | 4,804 |  |  | $ | (2,563 | ) |  | $ | 996 |
Schedule of Assumptions Used [Table Text Block] |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Weighted-average assumptions used to determine benefit obligations at December 31: |
Discount rate |  |  | 3.45 | % |  |  | 4.30 | % |  |  | 3.60 | % |  |  | 4.50 | %
Rate of compensation increase |  |  | 3.50 | % |  |  | 3.50 | % |  |  | — |  |  |  | — |
Weighted-average assumptions used to determine net periodic benefit cost for years ended December 31: |
Discount rate |  |  | 4.30 | % |  |  | 4.30 | % |  |  | 4.50 | % |  |  | 3.20 | %
Expected long term rate of return on plan assets |  |  | 7.00 | % |  |  | 7.00 | % |  |  | — |  |  |  | — |
Rate of compensation increase |  |  | 3.50 | % |  |  | 3.50 | % |  |  | — |  |  |  | — |
Schedule of Allocation of Plan Assets [Table Text Block] |
2014 |  |  | $ |  |  | % |
Level 1 |  |  |  |  |  |  |  |
Equity |  | $ | 17,819 |  |  |  | 23 | %
Fixed Income |  |  | 2,169 |  |  |  | 3 | %
Mutual Funds |  |  | 3,598 |  |  |  | 5 | %
Money Fund and Cash |  |  | 1,901 |  |  |  | 3 | %
Total Level 1 |  |  | 25,487 |  |  |  | 34 | %
Level 2 |  |  |  |  |  |  |  |
Fixed Income |  |  | 47,716 |  |  |  | 63 | %
Money Fund |  |  | 2,362 |  |  |  | 3 | %
Total Level 2 |  |  | 50,078 |  |  |  | 66 | %
Level 3 |  |  |  |  |  |  |  |
Total Level 3 |  |  | — |  |  |  | — |
Total fair value Plan assets |  | $ | 75,565 |  |  |  | 100 | %
2013 |  |  | $ |  |  | % |
Level 1 |  |  |  |  |  |  |  |
Equity |  | $ | 21,795 |  |  |  | 23 | %
Fixed Income |  |  | 919 |  |  |  | 3 | %
Mutual Funds |  |  | 5,031 |  |  |  | 5 | %
Money Fund and Cash |  |  | 2,133 |  |  |  | 3 | %
Total Level 1 |  |  | 29,878 |  |  |  | 34 | %
Level 2 |  |  |  |  |  |  |  |
Fixed Income |  |  | 35,540 |  |  |  | 63 | %
Money Fund |  |  | 5,471 |  |  |  | 3 | %
Total Level 2 |  |  | 41,011 |  |  |  | 66 | %
Level 3 |  |  |  |  |  |  |  |
Total Level 3 |  |  | — |  |  |  | — |
Total fair value Plan assets |  | $ | 70,889 |  |  |  | 100 | %
Schedule of Expected Benefit Payments [Table Text Block] |
|  | 2015 |  |  | 2016 |  |  | 2017 |  |  | 2018 |  |  | 2019 |  |  | Thereafter |
Pension |  | $ | 5,095 |  |  | $ | 5,319 |  |  | $ | 7,044 |  |  | $ | 6,089 |  |  | $ | 6,366 |  |  | $ | 30,780 |
Postretirement |  |  | 1,543 |  |  |  | 1,576 |  |  |  | 1,612 |  |  |  | 1,695 |  |  |  | 1,781 |  |  |  | 8,957 |

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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=35743120&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=35743120&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=35743120&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + 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 (h) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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