XML 64 R49.htm IDEA: XBRL DOCUMENT v3.3.1.900
Fair Value Measurements Narrative (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Cash and cash equivalents $ 172,628 $ 115,267
Fair value of acquisition-related future consideration liabilities 2,161 1,909
Other Current Liabilities [Member]    
Fair value of acquisition-related future consideration liabilities 700  
Other Noncurrent Liabilities [Member]    
Fair value of acquisition-related future consideration liabilities 1,500  
Money Market Funds [Member]    
Cash and cash equivalents $ 162,200 $ 107,600