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Note 11 - Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 30, 2017 | [1] | Sep. 30, 2017 | [2] | Jul. 01, 2017 | [3] | Apr. 01, 2017 | [4] | Dec. 31, 2016 | [5] | Oct. 01, 2016 | [6] | Jul. 02, 2016 | [7] | Apr. 02, 2016 | [8] | Dec. 30, 2017 | Dec. 31, 2016 | Jan. 02, 2016
Net income | $ (10,819) | $ 42,808 | $ 48,638 | $ 38,891 | $ 27,245 | $ 30,802 | $ 27,152 | $ 19,289 | $ 119,519 | $ 104,488 | $ 80,866
Basic (in shares) |  |  |  |  |  |  |  |  | 22,687 | 22,559 | 22,565
Effect of dilutive securities (in shares) |  |  |  |  |  |  |  |  | 244 | 168 | 154
Diluted (in shares) |  |  |  |  |  |  |  |  | 22,931 | 22,727 | 22,719
Earnings Per Share: |  |  |  |  |  |  |  |  |  |  |
Basic earnings per share (in dollars per share) |  |  |  |  |  |  |  |  | $ 5.27 | $ 4.63 | $ 3.58
Diluted earnings per share (in dollars per share) |  |  |  |  |  |  |  |  | $ 5.21 | $ 4.60 | $ 3.56
[1] | In the fourth quarter of 2017, the Company recorded an estimated one-time tax charge of $49 million for the enactment of the Tax Cuts and Jobs Act for deemed repatriation of unremitted earnings of foreign subsidiaries, $1.4 million in acquisition and integration costs and $0.7 million in restructuring and production costs related to the transfer of Asian operations.
[2] | In the third quarter of 2017, the Company recorded $4.8 million in acquisition and integration costs and $1.5 million in restructuring and production costs related to the transfer of Asian operations.
[3] | In the second quarter of 2017, the Company recorded $0.3 million in acquisition and integration costs.
[4] | In the first quarter of 2017, the Company $1.5 million in acquisition and integration costs
[5] | In the fourth quarter of 2016, the Company recorded ($0.1) million gain related to the Company's transfer of its reed sensor manufacturing operations from the U.S. and China to the Philippines, $1.2 million of restructuring costs, $3.2 million in acquisition and integration costs and $0.3 million in non-cash inventory charges related to the 2016 acquisitions.
[6] | In the third quarter of 2016, the Company recorded $0.9 million of restructuring costs, $5.9 million in acquisition and integration costs, $14.8 million of charges related to the impairment of the Custom Products reporting unit and $0.5 million in non-cash inventory charges as noted above.
[7] | In the second quarter of 2016, the Company recorded $0.7 million related to the reed sensor manufacturing transfer as noted above, $0.1 million of restructuring costs, $6.1 million in acquisition and integration costs, $0.3 million in charges related to the closure of the manufacturing facility in Denmark and $6.9 million in non-cash inventory charges as noted above.
[8] | In the first quarter of 2016, the Company recorded $1.0 million related to the reed sensor manufacturing transfer as noted above, $0.4 million of restructuring costs, $6.2 million in acquisition and integration costs, and $1.6 million in charges related to the closure of the manufacturing facility in Denmark.

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