( 10 ) | Income Taxes |
| December 31, | ||||||||||||
| 2017 | 2016 | 2015 | ||||||||||
| Domestic | $ | 117,273 | $ | 91,597 | $ | 71,323 | ||||||
| International | 24,552 | 35,942 | 18,242 | |||||||||
| Total | $ | 141,825 | $ | 127,539 | $ | 89,565 | ||||||
| December 31, | ||||||||||||
| 2017 | 2016 | 2015 | ||||||||||
| Current: | ||||||||||||
| Federal | $ | 25,201 | $ | 21,167 | $ | 2,577 | ||||||
| International | 5,674 | 10,491 | 10,076 | |||||||||
| Total current | 30,875 | 31,658 | 12,653 | |||||||||
| Deferred: | ||||||||||||
| Federal | $ | 7,615 | $ | 8,350 | $ | 22,005 | ||||||
| International | (429 | ) | 206 | (2,269 | ) | |||||||
| Total deferred | 7,186 | 8,556 | 19,736 | |||||||||
| Total income tax expense | $ | 38,061 | $ | 40,214 | $ | 32,389 | ||||||
| December 31, | ||||||||||||
| 2017 | 2016 | 2015 | ||||||||||
| Income tax provision at U.S federal statutory rate | $ | 49,639 | $ | 44,638 | $ | 31,347 | ||||||
| State and local taxes, net of federal income tax benefit | (207 | ) | (2,310 | ) | (2,450 | ) | ||||||
| Effect of foreign income taxed at rates other than the U.S. federal statutory rate | (1,989 | ) | (1,154 | ) | 989 | |||||||
| Foreign income inclusions | - | - | 5,017 | |||||||||
| Tax credits | (100 | ) | (200 | ) | (4,685 | ) | ||||||
| Net change in valuation allowance | (315 | ) | 1,673 | 3,134 | ||||||||
| Domestic production deduction | (3,347 | ) | (2,327 | ) | (1,958 | ) | ||||||
| Share-based payment compensation | (5,236 | ) | - | - | ||||||||
| Changes in tax laws | 117 | - | - | |||||||||
| Permanent items and other | (501 | ) | (106 | ) | 995 | |||||||
| Total | $ | 38,061 | $ | 40,214 | $ | 32,389 | ||||||
| December 31, | ||||||||
| 2017 | 2016 | |||||||
| Deferred tax assets: | ||||||||
| Inventory | $ | 1,522 | $ | 2,769 | ||||
| Environmental | 3,635 | 5,776 | ||||||
| Net operating loss carryforwards | 11,447 | 13,272 | ||||||
| Employee benefits | 11,245 | 16,155 | ||||||
| Property, plant and equipment | 5,007 | 4,448 | ||||||
| Other | 3,712 | 7,352 | ||||||
| Total gross deferred tax assets | 36,568 | 49,772 | ||||||
| Valuation allowance | (11,824 | ) | (11,459 | ) | ||||
| Total deferred tax assets | $ | 24,744 | $ | 38,313 | ||||
| Deferred tax liabilities: | ||||||||
| Property, plant and equipment | (15,275 | ) | (17,709 | ) | ||||
| Intangibles and other | (8,537 | ) | (10,583 | ) | ||||
| Unremitted foreign earnings | - | (635 | ) | |||||
| Foreign tax allocation reserve | (2,710 | ) | (2,471 | ) | ||||
| Other | (2,830 | ) | (775 | ) | ||||
| Total deferred tax liabilities | $ | (29,352 | ) | $ | (32,173 | ) | ||
| Net deferred tax assets | $ | (4,608 | ) | $ | 6,140 | |||
| Classified as follows in the consolidated balance sheet: | ||||||||
| Non-current deferred tax asset | 3,198 | 13,061 | ||||||
| Non-current deferred tax liability | (7,806 | ) | (6,921 | ) | ||||
| Total | $ | (4,608 | ) | $ | 6,140 | |||
| 2017 | 2016 | 2015 | ||||||||||
| Balance at January 1 | $ | 1,778 | $ | 1,492 | $ | 1,643 | ||||||
| Gross increases related to current period tax positions | 215 | 687 | 281 | |||||||||
| Gross decreases related to prior period tax positions | (52 | ) | (84 | ) | (52 | ) | ||||||
| Expirations of statute of limitations for the assessment of taxes | (353 | ) | (257 | ) | (241 | ) | ||||||
| Settlements | (134 | ) | - | - | ||||||||
| Foreign currency translation | 200 | (60 | ) | (139 | ) | |||||||
| Balance at December 31 | $ | 1,654 | $ | 1,778 | $ | 1,492 | ||||||