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Network
2420404 - Disclosure - Goodwill and Intangible Assets - Total Estimated Annual Future Amortization Expense for the Acquired Intangible Assets (Detail)
(http://www.aligntech.com/role/GoodwillAndIntangibleAssetsTotalEstimatedAnnualFutureAmortizationExpenseForAcquiredIntangibleAssetsDetail)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001097149 (http://www.sec.gov/CIK)
Goodwill and Intangible Assets Disclosure [Abstract]Period [Axis]
2016-12-31
2015-12-31
Goodwill and Intangible Assets Disclosure [Abstract]
 
 
2014
3,355,000  
 
2015
3,353,000  
 
2016
3,346,000  
 
2017
3,336,000  
 
2018
3,334,000  
 
Thereafter
4,230,000  
 
Total
20,954,000  
 
18,088,000