| Component: (Network and Table) | |
|---|---|
| Network | 2415402 - Disclosure - Other (Expense) Income, Net (Details) (http://www.sleepnumber.com/role/OtherExpenseIncomeNetDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000827187 (http://www.sec.gov/CIK) |
| Other Income and Expenses [Abstract] | Period [Axis] | ||
|---|---|---|---|
2016-01-03 - 2016-12-31 | 2015-01-04 - 2016-01-02 | 2013-12-29 - 2015-01-03 | |
Other Income and Expenses [Abstract] | |||
Interest expense | ( | ( | ( |
Interest income | |||
Other (expense) income, net | (717,000) | 334,000 | 362,000 |