XML 75 R59.htm IDEA: XBRL DOCUMENT v3.8.0.1
Fair Value Measurements - Summary of Changes in Fair Value of Company's Level 3 Assets and Liabilities (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Assets:      
Beginning Balance $ 1,508 $ 1,276 $ 1,315
Net Unrealized/Realized Gains/Losses Included In Earnings 14 248 14
Purchases/Acquisitions 1,661    
Sales/ Dispositions/ Settlements (1,669)    
Foreign Currency Translation Adjustments 78 (16) (53)
Ending Balance 1,592 1,508 1,276
Liabilities:      
Beginning Balance 22,608    
Net Unrealized/Realized Gains/Losses Included In Earnings 6,582 32,725  
Purchases/Acquisitions 0 19,950  
Sales/ Dispositions/ Settlements (249) (30,067)  
Foreign Currency Translation Adjustments 0    
Ending Balance 28,941 22,608  
Contingent Consideration Liability [Member]      
Liabilities:      
Beginning Balance 22,608    
Net Unrealized/Realized Gains/Losses Included In Earnings 6,582 32,725  
Purchases/Acquisitions 0 19,950  
Sales/ Dispositions/ Settlements (249) (30,067)  
Foreign Currency Translation Adjustments 0    
Ending Balance 28,941 22,608  
Equities [Member]      
Assets:      
Beginning Balance 1,508 1,276 1,315
Net Unrealized/Realized Gains/Losses Included In Earnings 14 248 14
Purchases/Acquisitions 1,661    
Sales/ Dispositions/ Settlements (1,669)    
Foreign Currency Translation Adjustments 78 (16) (53)
Ending Balance $ 1,592 $ 1,508 $ 1,276