Income Taxes (Components Of Net Deferred Income Tax Assets And Net Deferred Income Tax Liabilities) (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Income Taxes [Abstract]
Intangibles	$ 46,293,000
Stock options and restricted stock awards	22,010,000	$ 15,156,000
Reserves and allowances	18,738,000	12,016,000
Net operating loss carryforwards	16,796,000	4,474,000
Tax credit carryforwards	9,926,000	4,139,000
Accrued liabilities	4,943,000	1,501,000
Deferred revenue	405,000	270,000
Valuation allowance	(107,312,000)	0
Total deferred income tax assets	11,799,000	37,556,000
Intangibles	22,676,000	50,324,000
Property, plant and equipment	3,851,000	2,122,000
Total deferred income tax liabilities	26,527,000	52,446,000
Net deferred income tax liabilities	$ (14,728,000)	$ (14,890,000)