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Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2019
QUARTERLY FINANCIAL DATA (UNAUDITED) [Abstract] |
Schedule of Quarterly Financial Information [Table Text Block] |
| First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter
2019 |  |  |  |  |  |  |  |  |  |  |
Net sales | $ | 679,452 |  |  | $ | 731,366 |  |  | $ | 753,866 |  |  | $ | 843,968 |
Gross profit | $ | 388,319 |  |  | $ | 419,538 |  |  | $ | 435,056 |  |  | $ | 498,298 |
Net earnings(a) | $ | 111,805 |  |  | $ | 127,160 |  |  | $ | 129,395 |  |  | $ | 192,749 |
Basic earnings per common share: |  |  |  |  |  |  |
Net earnings | $ | 4.50 |  |  | $ | 5.15 |  |  | $ | 5.28 |  |  | $ | 7.95 |
Weighted average number of common shares | 24,851,340 |  |  | 24,698,032 |  |  | 24,487,268 |  |  | 24,241,383 |
Diluted earnings per common share: |  |  |  |  |  |  |
Net earnings | $ | 4.42 |  |  | $ | 5.06 |  |  | $ | 5.20 |  |  | $ | 7.84 |
Weighted average number of common and common equivalent shares | 25,310,525 |  |  | 25,118,352 |  |  | 24,880,179 |  |  | 24,599,702 |
Market price per share: |  |  |  |  |  |  |
High | $ | 729.72 |  |  | $ | 840.00 |  |  | $ | 872.45 |  |  | $ | 793.31 |
Low | $ | 513.56 |  |  | $ | 701.80 |  |  | $ | 642.84 |  |  | $ | 658.61 |
2018 |  |  |  |  |  |  |  |  |  |  |
Net sales | $ | 660,821 |  |  | $ | 721,996 |  |  | $ | 734,846 |  |  | $ | 817,923 |
Gross profit | $ | 374,933 |  |  | $ | 412,625 |  |  | $ | 419,254 |  |  | $ | 477,566 |
Net earnings(a) | $ | 93,304 |  |  | $ | 111,468 |  |  | $ | 126,653 |  |  | $ | 181,186 |
Basic earnings per common share: |  |  |  |  |  |  |  |  |  |
Net earnings | $ | 3.66 |  |  | $ | 4.41 |  |  | $ | 5.04 |  |  | $ | 7.25 |
Weighted average number of common shares | 25,468,323 |  |  | 25,299,414 |  |  | 25,126,061 |  |  | 24,975,303 |
Diluted earnings per common share: |  |  |  |  |  |  |  |  |  |
Net earnings | $ | 3.58 |  |  | $ | 4.31 |  |  | $ | 4.93 |  |  | $ | 7.11 |
Weighted average number of common and common equivalent shares | 26,095,647 |  |  | 25,867,383 |  |  | 25,683,365 |  |  | 25,490,270 |
Market price per share: |  |  |  |  |  |  |  |  |  |
High | $ | 692.30 |  |  | $ | 595.14 |  |  | $ | 617.94 |  |  | $ | 645.33 |
Low | $ | 566.87 |  |  | $ | 546.43 |  |  | $ | 559.44 |  |  | $ | 524.03 |
(a) Net earnings includes a non-cash deferred net benefit of $15.8 million for the three months ended December 31, 2019 related to the enactment of Swiss tax reform and a charge of $3.6 million for the three months ended December 31, 2018 for the enactment of the U.S. Tax Cuts and Job Act. Net earnings for the three months ended December 31, 2018 also includes a one-time gain of $18.7 million relating to the Biotix acquisition contingent consideration and a one-time legal charge of $3 million.

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118952077&loc=d3e1280-108306 + Details
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