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v3.20.1

Summary of Quarterly Financial information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 28, 2019 | Jun. 29, 2019 | Mar. 30, 2019 | Dec. 31, 2018 | Sep. 29, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Statement of Operations data: |  |  |  |  |  |  |  |  |  |  |
Net revenues | $ 69,142 | $ 67,421 | $ 70,870 | $ 76,525 | $ 76,982 | $ 75,490 | $ 74,231 | $ 73,091 | $ 283,958 | $ 299,794 | $ 254,350
Gross profit | 24,167 | 25,790 | 28,609 | 33,051 | 30,816 | 30,580 | 31,366 | 28,505 | 111,617 | 121,267 | 98,283
Operating income | 1,757 | 6,186 | 8,102 | 12,603 | 7,091 | 10,631 | 11,315 | 8,186 | 28,648 | 37,223 | 22,488
Net earnings | 3,859 | 4,530 | 5,580 | 8,326 | 3,437 | 7,567 | 7,683 | 4,958 | 22,295 | 23,645 | 14,394
Less: comprehensive income (loss) attributable to noncontrolling interests | (12) | 21 | 15 | 83 | 19 | 20 | (10) | (30) | 107 | (1) | 49
Net earnings attributable to VPG stockholders | $ 3,871 | $ 4,509 | $ 5,565 | $ 8,243 | $ 3,418 | $ 7,547 | $ 7,693 | $ 4,988 | $ 22,188 | $ 23,646 | $ 14,345
Per Share Data: |  |  |  |  |  |  |  |  |  |  |
Basic earnings per share (in dollars per share) | $ 0.29 | $ 0.33 | $ 0.41 | $ 0.61 | $ 0.25 | $ 0.56 | $ 0.57 | $ 0.37 | $ 1.64 | $ 1.76 | $ 1.08
Diluted earnings per share (in dollars per share) | $ 0.28 | $ 0.33 | $ 0.41 | $ 0.61 | $ 0.25 | $ 0.56 | $ 0.57 | $ 0.37 | $ 1.63 | $ 1.75 | $ 1.07
Certain Items Recorded during the Quarters: |  |  |  |  |  |  |  |  |  |  |
Acquisition purchase accounting adjustments | $ 1,254 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 |  |  |
Acquisition costs | 443 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | $ 443 | $ 0 | $ 0
Executive severance costs | 0 | 0 | 611 | 0 | 0 | 0 | 0 | 0 | 611 | 0 | 0
Impairment of goodwill and indefinite-lived intangibles | 0 | 0 | 0 | 0 | 2,820 | 0 | 0 | 0 | 0 | 2,820 | 0
UK pension settlement |  | 0 | 0 | 0 | 673 | 0 | 0 | 0 |  |  |
Restructuring costs | 1,746 | 547 | 0 | 0 | 0 | 228 | 61 | 0 | $ 2,293 | $ 289 | $ 2,044
Tax effect of reconciling items and discrete tax items | $ 3,663 | $ 80 | $ 0 | $ 0 | $ (377) | $ 35 | $ 9 | $ 0 |  |  |

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