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Acquisitions - Pro Forma (Details) - Vascular Solutions, Inc. - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
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Jul. 02, 2017 | Jul. 02, 2017
Business Acquisition [Line Items] |  |
Net revenue | $ 558,836 | $ 1,092,154
Net income | $ 66,726 | $ 103,833
Net Income, Basic earnings per common share (in USD per share) | $ 1.48 | $ 2.31
Net Income, Diluted earnings per common share (in USD per share) | $ 1.43 | $ 2.22
Basic, weighted average common shares outstanding (in shares) | 44,996 | 44,945
Diluted, weighted average common shares outstanding (in shares) | 46,818 | 46,716

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