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Note 13 - Taxes on Income (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  | FISCAL YEAR |
|  | 2017 |  |  | 2016 |  |  | 2015 |
|  | (in thousands) |
Current expense/(benefit): |  |  |  |  |  |  |  |  |  |  |  |
Federal |  | $ | 10,245 |  |  | $ | 6,886 |  |  | $ | 1,524 |
Foreign |  |  | 11,923 |  |  |  | 12,934 |  |  |  | 9,279 |
State |  |  | 1,414 |  |  |  | 1,633 |  |  |  | 1,403 |
Current expense |  |  | 23,582 |  |  |  | 21,453 |  |  |  | 12,206 |
Deferred expense/(benefit): |  |  |  |  |  |  |  |  |  |  |  |
Federal |  |  | 20,467 |  |  |  | 6,186 |  |  |  | 19,971 |
Foreign |  |  | 1,214 |  |  |  | (1,937 | ) |  |  | 3,795 |
State |  |  | 2,030 |  |  |  | (728 | ) |  |  | (2,624 | )
Deferred expense |  |  | 23,711 |  |  |  | 3,521 |  |  |  | 21,142 |
Total income tax expense |  | $ | 47,293 |  |  | $ | 24,974 |  |  | $ | 33,348 |
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] |
|  | FISCAL YEAR |
|  | 2017 |  |  | 2016 |  |  | 2015 |
|  | (in thousands) |
U.S. operations |  | $ | 53,407 |  |  | $ | 38,357 |  |  | $ | 58,318 |
Foreign operations |  |  | 47,132 |  |  |  | 40,779 |  |  |  | 47,448 |
Income before taxes |  | $ | 100,539 |  |  | $ | 79,136 |  |  | $ | 105,766 |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | 2017 |  |  | 2016 |
|  | ASSETS |  |  | LIABILITIES |  |  | ASSETS |  |  | LIABILITIES |
|  | (in thousands) |
Basis differences of property and equipment |  | $ | 0 |  |  | $ | 13,281 |  |  | $ | 0 |  |  | $ | 14,419 |
Basis difference of intangible assets |  |  | 0 |  |  |  | 1,157 |  |  |  | 978 |  |  |  | 0 |
Foreign currency |  |  | 0 |  |  |  | 2,597 |  |  |  | 0 |  |  |  | 3,216 |
Net operating loss carryforwards |  |  | 2,468 |  |  |  | 0 |  |  |  | 3,627 |  |  |  | 0 |
Valuation allowances on net operating loss carryforwards |  |  | (1,186 | ) |  |  | 0 |  |  |  | (2,500 | ) |  |  | 0 |
Federal tax credits |  |  | 3,227 |  |  |  | 0 |  |  |  | 5,711 |  |  |  | 0 |
Deferred compensation |  |  | 20,220 |  |  |  | 0 |  |  |  | 26,546 |  |  |  | 0 |
Basis difference of inventory |  |  | 634 |  |  |  | 0 |  |  |  | 4,009 |  |  |  | 0 |
Basis difference of prepaids, accruals and reserves |  |  | 1,777 |  |  |  | 0 |  |  |  | 6,273 |  |  |  | 0 |
Pensions |  |  | 2,408 |  |  |  | 0 |  |  |  | 3,435 |  |  |  | 0 |
Foreign withholding taxes on unremitted earnings |  |  | 0 |  |  |  | 909 |  |  |  | 0 |  |  |  | 223 |
Undistributed earnings from foreign subsidiaries not deemed to be indefinitely reinvested |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 1,481 |
Basis difference of other assets and liabilities |  |  | 0 |  |  |  | 536 |  |  |  | 0 |  |  |  | 351 |
|  | $ | 29,548 |  |  | $ | 18,480 |  |  | $ | 48,079 |  |  | $ | 19,690 |
|  | FISCAL YEAR |
|  | 2017 |  |  | 2016 |
|  | (in thousands) |
Deferred tax asset (non-current asset) |  | $ | 18,003 |  |  | $ | 33,117 |
Deferred income taxes (non-current liabilities) |  |  | (6,935 | ) |  |  | (4,728 | )
Total net deferred taxes |  | $ | 11,068 |  |  | $ | 28,389 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  | FISCAL YEAR |
|  | 2017 |  |  | 2016 |  |  | 2015 |
|  | (in thousands) |
Income taxes at U.S. federal statutory rate |  | $ | 35,189 |  |  | $ | 27,698 |  |  | $ | 37,018 |
Increase (decrease) in taxes resulting from: |  |  |  |  |  |  |  |  |  |  |  |
State income taxes, net of federal tax effect |  |  | 2,677 |  |  |  | 1,861 |  |  |  | 3,003 |
Non-deductible business expenses |  |  | 695 |  |  |  | 538 |  |  |  | 614 |
Non-deductible employee compensation |  |  | 80 |  |  |  | 361 |  |  |  | 168 |
Tax effects of Company owned life insurance |  |  | (1,295 | ) |  |  | (199 | ) |  |  | 128 |
Tax effects of Tax Act: |  |  |  |  |  |  |  |  |  |  |  |
One-time transition tax on foreign earnings |  |  | 11,707 |  |  |  | 0 |  |  |  | 0 |
Remeasurement of net Deferred Tax Asset |  |  | 3,467 |  |  |  | 0 |  |  |  | 0 |
Tax effects of undistributed earnings from foreign subsidiaries not deemed to be indefinitely reinvested |  |  | 523 |  |  |  | 463 |  |  |  | 458 |
Foreign and U.S. tax effects attributable to foreign operations |  |  | (4,537 | ) |  |  | (3,963 | ) |  |  | (3,347 | )
Valuation allowance effect – State NOL |  |  | (858 | ) |  |  | (1,272 | ) |  |  | (3,797 | )
Federal tax credits |  |  | (442 | ) |  |  | (494 | ) |  |  | (352 | )
Other |  |  | 87 |  |  |  | (19 | ) |  |  | (545 | )
Income tax expense |  | $ | 47,293 |  |  | $ | 24,974 |  |  | $ | 33,348 |
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] |
|  | FISCAL YEAR |
|  | 2017 |  |  | 2016 |  |  | 2015 |
|  | (in thousands) |
Balance at beginning of year |  | $ | 27,888 |  |  | $ | 28,271 |  |  | $ | 27,301 |
Increases related to tax positions taken during the current year |  |  | 627 |  |  |  | 690 |  |  |  | 641 |
Increases related to tax positions taken during the prior years |  |  | 709 |  |  |  | 148 |  |  |  | 1,230 |
Decreases related to tax positions taken during the prior years |  |  | 0 |  |  |  | (695 | ) |  |  | (194 | )
Decreases related to settlements with taxing authorities |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Decreases related to lapse of applicable statute of limitations |  |  | (462 | ) |  |  | (403 | ) |  |  | (367 | )
Changes due to foreign currency translation |  |  | 459 |  |  |  | (123 | ) |  |  | ( 340 | )
Balance at end of year |  | $ | 29,221 |  |  | $ | 27,888 |  |  | $ | 28,271 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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