Other Operating Expenses, Net (Schedule of Restructuring Reserve By Type of Cost) (Details) $ in Thousands	6 Months Ended
Jun. 30, 2017 USD ($)
Investments in Capacity and Capabilities [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance	$ 66
Restructuring charges	2,865
Cash payments	(2,804)
Restructuring Reserve, Ending Balance	127
Investments in Capacity and Capabilities [Member] \| Severance And Retention [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance	66
Restructuring charges	188
Cash payments	(157)
Restructuring Reserve, Ending Balance	97
Investments in Capacity and Capabilities [Member] \| Accelerated Depreciation And Asset Write Offs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance	0
Restructuring charges	0
Cash payments	0
Restructuring Reserve, Ending Balance	0
Investments in Capacity and Capabilities [Member] \| Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance	0
Restructuring charges	2,677
Cash payments	(2,647)
Restructuring Reserve, Ending Balance	30
Legacy Lake Region Medical Consolidation [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance	1,131
Restructuring charges	2,167
Cash payments	(2,042)
Restructuring Reserve, Ending Balance	1,256
Legacy Lake Region Medical Consolidation [Member] \| Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance	729
Restructuring charges	737
Cash payments	(510)
Restructuring Reserve, Ending Balance	956
Legacy Lake Region Medical Consolidation [Member] \| Accelerated Depreciation And Asset Write Offs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance	0
Restructuring charges	0
Cash payments	0
Restructuring Reserve, Ending Balance	0
Legacy Lake Region Medical Consolidation [Member] \| Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance	402
Restructuring charges	1,430
Cash payments	(1,532)
Restructuring Reserve, Ending Balance	$ 300

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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- Definition

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+ References

No definition available.

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