| Component: (Network and Table) | |
|---|---|
| Network | 2423402 - Schedule - Schedule II (Details) (http://www.cerner.com/role/ScheduleIiDetails) |
| Table | Valuation and Qualifying Accounts Disclosure [Table] |
| Reporting Entity [Axis] | 0000804753 (http://www.sec.gov/CIK) |
| Valuation Allowances and Reserves Type [Axis] | Allowance for Doubtful Accounts [Member] |
| Valuation and Qualifying Accounts Disclosure [Line Items] | Period [Axis] | ||
|---|---|---|---|
2012-12-30 - 2013-12-28 | 2012-01-01 - 2012-12-29 | 2011-01-02 - 2011-12-31 | |
Movement in Valuation Allowances and Reserves [Roll Forward] | |||
Balance at beginning of period | 33,230,000 | 24,270,000 | 15,550,000 |
Additions charged to costs and expenses | 6,954,000 | 13,483,000 | 11,365,000 |
Additions through acquisitions and consolidation of variable interest entity | 489,000 | 8,000 | 31,000 |
Deductions | (4,387,000) | (4,531,000) | (2,676,000) |
Balance at end of period | 36,286,000 | 33,230,000 | 24,270,000 |