Investments (Schedule Of Fair Value Method Investments, Balance Sheets And Income Statements) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Dec. 31, 2015
Cost of goods sold	$ 181,848	$ 163,053
Cash and cash equivalents	28,864	40,022	$ 29,511	$ 44,156
Property & equipment	302,658		260,725
Other long-term assets	34,092		30,790
Total assets	767,667		651,162
Other noncurrent liabilities	193,000		95,000
Equity	318,803		310,783
Total liabilities and shareholders’ equity	767,667		651,162
Income tax benefit (expense)	2,418	3,216
Net income	3,703	7,281
kaleo
Revenues	22,488	(3,050)
Cost of goods sold	5,924	3,622
Cash and cash equivalents	103,274		102,329
Restricted Cash	30		31
Other current assets	49,319		15,391
Property & equipment	12,055		13,011
Other long-term assets	377		472
Total assets	165,055		131,234
Current liabilities	100,299		50,134
Long term debt, net	826		822
Other noncurrent liabilities	143,536		143,380
Equity	(79,606)		(63,102)
Total liabilities and shareholders’ equity	165,055		$ 131,234
Expenses and other, net (b)	33,408	(541)
Income tax benefit (expense)	0	8
Net income	$ (16,844)	(6,139)
Kaleo 2016 Q1 gain on contract termination excluded from other expenses		$ 17,500