Discontinued Operations and Held For Sale (Litha Assets Held for Sale and Related Liabilities) (Details) - USD ($) $ in Thousands	4 Months Ended	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business, net		$ 4,108	$ 1,588,779	$ 54,521
Liabilities held for sale		24,338	$ 20,215
Litha Healthcare Group Limited
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets		50,167
Property, plant and equipment		3,527
Other intangibles, net		29,950
Other assets		11,343
Assets held for sale		94,987
Current liabilities		18,642
Deferred taxes		0
Other liabilities		5,696
Liabilities held for sale		$ 24,338
Scenario, Forecast | Disposal Group, Held-for-sale, Not Discontinued Operations | Litha Healthcare Group Limited | Subsequent Event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business, net	$ 100,000