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Shareholders' Equity	3 Months Ended
Shareholders' Equity	Mar. 31, 2018
Shareholders' Equity [Abstract]
Shareholders' Equity	10. Shareholders’ Equity Common Shares Issued In December 2017 we issued 2,682,754 shares of CryoLife common stock, as part of the consideration for the acquisition of JOTEC. The stock had a value of $53.1 million as determined on the date of the closing. See Note 4 for further discussion of the JOTEC Acquisition.