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Operations and Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of property plant and equipment useful life | Property, plant and equipment are stated at cost and depreciated using the straight-line method over the following estimated useful lives:
| Building and improvements | 12 to 40 years
| Leasehold improvements | Shorter of life of asset or life of lease
| Machinery and equipment | 2 to 15 years
Schedule of calculation of basic and diluted earnings per share | The following table sets forth the computation of basic and diluted earnings per share at December 31, 2018, 2017 and 2016, respectively:
| 2018 |  | 2017 |  | 2016
Net income | $ | 40,854 |  |  | $ | 55,487 |  |  | $ | 14,664 |
Basic-weighted average shares outstanding | 28,118 |  |  | 27,939 |  |  | 27,804 |
Effect of dilutive potential securities | 772 |  |  | 232 |  |  | 160 |
Diluted-weighted average shares outstanding | 28,890 |  |  | 28,171 |  |  | 27,964 |
Net income (per share) |  |  |  |  |
Basic | $ | 1.45 |  |  | $ | 1.99 |  |  | $ | 0.53 |
Diluted | 1.41 |  |  | 1.97 |  |  | 0.52 |
Schedule of accumulated other comprehensive loss | Accumulated other comprehensive loss consists of the following:
| Cash Flow Hedging Gain (Loss) |  | Pension Liability |  | Foreign Currency Translation Adjustments |  | Accumulated Other Comprehensive Loss
Balance, December 31, 2015 | $ | 1,201 |  |  | $ | (25,982 | ) |  | $ | (29,113 | ) |  | $ | (53,894 | )
Other comprehensive income (loss) before reclassifications, net of tax | 1,088 |  |  | (2,229 | ) |  | (4,501 | ) |  | (5,642 | )
Amounts reclassified from accumulated other comprehensive income (loss) before tax(a) | (1,179 | ) |  | 2,780 |  |  | — |  |  | 1,601 |
Income tax | 436 |  |  | (1,027 | ) |  | — |  |  | (591 | )
Net current-period other comprehensive income (loss) | 345 |  |  | (476 | ) |  | (4,501 | ) |  | (4,632 | )
Balance, December 31, 2016 | $ | 1,546 |  |  | $ | (26,458 | ) |  | $ | (33,614 | ) |  | $ | (58,526 | )
Other comprehensive income (loss) before reclassifications, net of tax | (5,529 | ) |  | (1,142 | ) |  | 13,879 |  |  | 7,208 |
Amounts reclassified from accumulated other comprehensive income (loss) before tax(a) | 718 |  |  | 2,835 |  |  | — |  |  | 3,553 |
Income tax | (265 | ) |  | (1,048 | ) |  | — |  |  | (1,313 | )
Net current-period other comprehensive income (loss) | (5,076 | ) |  | 645 |  |  | 13,879 |  |  | 9,448 |
Balance, December 31, 2017 | $ | (3,530 | ) |  | $ | (25,813 | ) |  | $ | (19,735 | ) |  | $ | (49,078 | )
Other comprehensive income (loss) before reclassifications, net of tax | 7,197 |  |  | (2,711 | ) |  | (8,369 | ) |  | (3,883 | )
Amounts reclassified from accumulated other comprehensive income (loss) before tax(a) | 913 |  |  | 2,689 |  |  | — |  |  | 3,602 |
Income tax | 221 |  |  | (650 | ) |  | — |  |  | (429 | )
Net current-period other comprehensive income (loss) | 8,331 |  |  | (672 | ) |  | (8,369 | ) |  | (710 | )
Cumulative effect of change in accounting principle(b) | (716 | ) |  | (5,233 | ) |  | — |  |  | (5,949 | )
Balance, December 31, 2018 | $ | 4,085 |  |  | $ | (31,718 | ) |  | $ | (28,104 | ) |  | $ | (55,737 | )
(a) The cash flow hedging gain (loss) and pension liability accumulated other comprehensive income components are included in sales or cost of sales and as a component of net periodic pension cost, respectively. Refer to Note 15 and Note 11, respectively, for further details. (b) We recorded the cumulative impact of adopting ASU 2018-02 in 2018, which allows for the elimination of the stranded tax effects of Tax Reform through a reclassification between accumulated other comprehensive income (loss) and retained earnings. See Note 16 to the consolidated financial statements for further discussion regarding the adoption of this accounting standard.

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