| Component: (Network and Table) | |
|---|---|
| Network | 091302 - Disclosure - Contingencies (Details) - Product Warranties (http://igt.com/role/ContingenciesDetailsProductWarranties) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000353944 (http://www.sec.gov/CIK) |
| Contingencies [Abstract] | Period [Axis] | ||
|---|---|---|---|
2012-10-01 - 2013-09-30 | 2011-10-01 - 2012-09-30 | 2010-10-01 - 2011-09-30 | |
Contingencies [Abstract] | |||
Beginning balance | 4,200,000 | 6,200,000 | 9,300,000 |
Reduction for payments made | (5,700,000) | (5,900,000) | (7,700,000) |
Accrual for new warranties issued | 8,000,000 | 7,600,000 | 8,600,000 |
Adjustments for pre-existing warranties | (2,100,000) | (3,700,000) | (4,000,000) |
Ending balance | 4,400,000 | 4,200,000 | 6,200,000 |