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Component: (Network and Table)
Network
1126 - Disclosure - Income Taxes - Reconciliation of Beginning and Ending Amount of Gross Unrecognized Tax Benefits (Detail)
(http://www.alere.com/taxonomy/role/DisclosureIncomeTaxesReconciliationOfBeginningAndEndingAmountOfGrossUnrecognizedTaxBenefits)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001145460 (http://www.sec.gov/CIK)
Income Tax Disclosure [Abstract]Period [Axis]
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
2013-01-01 - 2013-12-31
Income Tax Disclosure [Abstract]
 
 
 
Beginning Balance
49,931,000  
30,394,000  
23,640,000  
Additions for tax positions related to prior years
823,000  
20,797,000  
 
Additions for tax positions related to current year
71,505,000  
3,217,000  
7,654,000  
Reductions for tax positions related to prior years
 
(4,477,000) 
(900,000) 
Reductions for tax positions and of lapse of statute of limitations related to prior years
(1,552,000) 
  
Ending Balance
120,707,000  
 
49,931,000  
 
30,394,000