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Component: (Network and Table)
Network
2402418 - Disclosure - Summary of Significant Accounting Policies - Product Warranty (Detail)
(http://www.hologic.com/role/SummaryOfSignificantAccountingPoliciesProductWarrantyDetail)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000859737 (http://www.sec.gov/CIK)
Accounting Policies [Abstract]Period [Axis]
2015-09-27 - 2016-09-24
2014-09-28 - 2015-09-26
Accounting Policies [Abstract]
 
 
Movement in Standard Product Warranty Accrual [Roll Forward]
 
 
Balance at Beginning of Period
5,400,000  
6,300,000  
Provisions
7,100,000  
6,100,000  
Settlements/ Adjustments
(7,500,000) 
(7,000,000) 
Balance at End of Period
5,000,000  
 
5,400,000