Divestiture and Acquisitions (Lake Region Medical - Summary of Purchase Price Allocation) (Details) - Lake Region Medical [Member] $ in Thousands	Oct. 27, 2015 USD ($)
Business Acquisition [Line Items]
Cash	$ 478,490
Total purchase consideration	728,366
Common Stock [Member]
Business Acquisition [Line Items]
Fair value of common stock and replacement stock options	245,368
Stock Options [Member]
Business Acquisition [Line Items]
Fair value of common stock and replacement stock options	$ 4,508

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+ References

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
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