XML 97 R61.htm IDEA: XBRL DOCUMENT v3.20.1
Goodwill and Intangible Assets - Intangible Assets by Major Asset Class (Detail) - USD ($)
 3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Intangible Assets By Major Class [Line Items]    
Gross $ 535,279,000 $ 539,322,000
Accumulated Amortization 47,415,000 45,899,000
Net Book Value 487,864,000 493,423,000
Finite-Lived Intangible Assets, Translation and Purchase Accounting Adjustments 3,822,000  
Indefinite-lived Intangible Assets, Translation and Purchase Accounting Adjustments 557,000  
Patents    
Intangible Assets By Major Class [Line Items]    
Gross 31,581,000 31,581,000
Accumulated Amortization 31,581,000 31,581,000
Net Book Value $ 0 0
Patents | Minimum    
Intangible Assets By Major Class [Line Items]    
Useful Life (years) 2 years  
Patents | Maximum    
Intangible Assets By Major Class [Line Items]    
Useful Life (years) 16 years  
Other Intangible Assets    
Intangible Assets By Major Class [Line Items]    
Gross $ 53,683,000 53,904,000
Accumulated Amortization 15,834,000 14,318,000
Net Book Value $ 37,849,000 39,586,000
Other Intangible Assets | Minimum    
Intangible Assets By Major Class [Line Items]    
Useful Life (years) 1 year  
Other Intangible Assets | Maximum    
Intangible Assets By Major Class [Line Items]    
Useful Life (years) 10 years  
Trade name, trademark and trade dress and other    
Intangible Assets By Major Class [Line Items]    
Gross $ 450,015,000 453,837,000
Net Book Value $ 450,015,000 $ 453,837,000