| Component: (Network and Table) | |
|---|---|
| Network | 2416402 - Disclosure - Restructuring Charges Restructuring Charges (Details) (http://www.irobot.com/role/RestructuringChargesRestructuringChargesDetails) |
| Table | Schedule of Restructuring and Related Costs [Table] |
| Reporting Entity [Axis] | 0001159167 (http://www.sec.gov/CIK) |
| Restructuring Cost and Reserve [Line Items] | Period [Axis] | |||||
|---|---|---|---|---|---|---|
2012-01-01 - 2012-12-29 | 2011-01-02 - 2011-12-31 | 2010-01-03 - 2011-01-01 | ||||
| Restructuring Type [Axis] | Restructuring Type [Axis] | Restructuring Type [Axis] | ||||
| Other Restructuring [Member] | Type of Restructuring [Domain] | Other Restructuring [Member] | Type of Restructuring [Domain] | Other Restructuring [Member] | Type of Restructuring [Domain] | |
Restructuring charges incurred | 3,700,000 | 1,000,000 | 0 | |||
Restructuring Reserve [Roll Forward] | ||||||
Balance at beginning of period | 0 | 0 | ||||
Charges | 3,679,000 | 1,015,000 | ||||
Utilization | (3,482,000) | (1,015,000) | ||||
Balance at end of period | 197,000 | 0 | 0 | |||