Other Charges (Income), Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	$ (18,674)	$ 0	$ 0
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), before Tax	0	0	(8,189)
Loss Contingency Accrual	3,000
Other Nonoperating Income (Expense)	21,808	9,868	1,328
Impact of Adopting ASU 2017-07 ASC 715 Compensation Retirement Benefit	6,200	4,000	9,800
Business Acquisition, Transaction Costs		1,700	$ 1,100
Gains (Losses) on Sales of Other Real Estate		$ 3,400
BIOTIX [Member]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	$ 18,700