Discontinued Operations and Assets and Liabilities Held For Sale (American Medical Systems) (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchases of property, plant and equipment			$ 59,729,000	$ 53,705,000
AMS
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchases of property, plant and equipment			0
Discontinued Operations, Disposed of by Sale | AMS
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operations gain (loss), net of tax	$ (700,498,000)	$ (46,216,000)	(708,903,000)	(91,324,000)
Purchases of property, plant and equipment				100,000
Depreciation and amortization expense	$ 0	$ 0	$ 0	$ 0