Acquistions - Pro Forma Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Business Combination Segment Allocation [Line Items]
Pro forma net sales		$ 760,772
Pro forma income (loss) from continuing operations	$ (250,788)	2,412
Pro forma net income (loss)		$ 140,100
Basic income (loss) from continuing operations per share (in us dollars per share)		$ 0.09
Diluted income (loss) from continuing operations per share (in us dollars per share)		$ 0.09
Paragon Medical
Business Combination Segment Allocation [Line Items]
Pro forma net sales	825,891
Pro forma net income (loss)	$ (250,788)
Basic income (loss) from continuing operations per share (in us dollars per share)	$ (7.92)
Diluted income (loss) from continuing operations per share (in us dollars per share)	$ (7.92)

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount after tax of pro forma income from continuing operations as if the business combination had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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