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Note 14 - Accumulated Other Comprehensive Income (Loss) - Amounts Reclassified Out of Accumulated Other Comprehensive Income (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Other expense |  | $ 4,627,000 | $ 4,691,000
Tax (expense) benefit |  | (2,287,000) | (2,950,000)
Net of tax |  | 7,068,000 | 11,412,000
Total before tax |  | 9,355,000 | 14,362,000
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Tax (expense) benefit |  | (3,000) | 38,000
Net of tax |  | (7,000) | (84,000)
Total before tax |  | (10,000) | (122,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] |  |  |
Other expense | [1] | (32) | (132,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] |  |  |
Other expense | [1] | 22,000 | 10,000
Reclassification out of Accumulated Other Comprehensive Income [Member] | Interest Rate Swap [Member] |  |  |
Net of tax |  | (139,000) | (180,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Interest Rate Swap [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |  |
Other expense |  | (201,000) | (263,000)
Tax (expense) benefit |  | $ 62,000 | $ 83,000
[1] | These accumulated other comprehensive loss components are included in the computation of net periodic pension cost (See Note 9 of the Notes to Consolidated Financial Statements "Pension and Other Postretirement Benefit Plans".)

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