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Business (Detail)
9 Months Ended
Sep. 30, 2019
country
Product Information [Line Items]  
Number of countries company operates 50
Sales Revenue Outside United States | Geographic Concentration Risk | Non-US  
Product Information [Line Items]  
Percent of revenue from customers outside the U.S. (as a percent) 58.00%
Minimum  
Product Information [Line Items]  
Number of countries where product is found (more than) 100