Discontinued Operations (Operating Gains and Losses) (Details) - CRM Business Franchise - Discontinued Operations, Held-for-sale - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	$ 0	$ 0	$ 0	$ 77,366
Costs and expenses:
Cost of sales	0	0	(43)	27,306
Selling, general and administrative expenses	0	543	26	43,441
Research and development	0	0	(161)	16,577
Restructuring expenses	0	0	0	651
Revaluation gain on assets and liabilities held for sale	0	0	0	(1,213)
Loss on sale of CRM	0	0	0	214
Operating (loss) income from discontinued operations	0	(543)	178	(9,610)
Foreign exchange and other gains	0	0	0	102
(Loss) income from discontinued operations, before tax	0	(543)	178	(9,508)
Income tax expense (benefit)	0	361	0	(804)
Losses from equity method investments	0	0	0	(1,211)
Net (loss) income from discontinued operations	$ 0	$ (904)	$ 178	$ (9,915)