| Component: (Network and Table) | |
|---|---|
| Network | 1054 - Disclosure - Accounts Receivable Reserve Activity (Detail) (http://www.hologic.com/taxonomy/role/DisclosureAccountsReceivableReserveActivity) |
| Table | Statement [Table] |
| Reporting Entity [Axis] | 0000859737 (http://www.sec.gov/CIK) |
| Legal Entity [Axis] | Entity [Domain] |
| Statement [Line Items] | Period [Axis] | ||
|---|---|---|---|
2011-09-25 - 2012-09-29 | 2010-09-26 - 2011-09-24 | 2009-09-27 - 2010-09-25 | |
Balance at Beginning of Period | 6,516,000 | 7,769,000 | 7,279,000 |
Charged to Costs and Expenses | 3,270,000 | 1,614,000 | 1,895,000 |
Write- offs and Payments | (3,390,000) | (2,867,000) | (1,405,000) |
Balance at End of Period | 6,396,000 | 6,516,000 | 7,769,000 |