Accrued And Other Liabilities (Schedule Of Accrued Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current Accrued Liabilities [Line Items]
Compensation and benefits	$ 20,726	$ 13,197
Vendor accruals	10,451	5,449
Accrued professional fees	532	493
Accrued taxes	8,577	1,834
Royalties payable	1,796	750
Accrued interest	43	73
Accrued other	1,909	762
Total	44,219	28,430
Other Current Liabilities [Member]
Current Accrued Liabilities [Line Items]
Accrued earnouts related to acquisitions	$ 185	$ 5,872