| Component: (Network and Table) | |
|---|---|
| Network | 41002 - Disclosure - Revolving Credit Facility and Long-Term Debt - Future Payments (Details) (http://www.ch2m.com/role/DisclosureRevolvingCreditFacilityAndLongTermDebtFuturePaymentsDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000777491 (http://www.sec.gov/CIK) |
| Line of Credit and Long-Term Debt | Period [Axis] | |
|---|---|---|
2016-12-30 | 2015-12-25 | |
Line of Credit and Long-Term Debt | ||
Future principal payments on long-term debt | ||
2017 | ||
2018 | ||
2019 | ||
2020 | ||
2021 | ||
Total debt | 497,874,000 | 301,662,000 |