| Component: (Network and Table) | |
|---|---|
| Network | 00500 - Statement - Consolidated Statements of Cash Flows (http://www.ch2m.com/role/StatementConsolidatedStatementsOfCashFlows)  | 
| Table | (Implied) | 
| Reporting Entity [Axis] | 0000777491 (http://www.sec.gov/CIK) | 
| Consolidated Statements of Cash Flows | Period [Axis] | ||
|---|---|---|---|
2015-12-26 - 2016-12-30  | 2015-01-01 - 2015-12-25  | 2014-01-01 - 2014-12-31  | |
Consolidated Statements of Cash Flows  | |||
Cash flows from operating activities:  | |||
Net (loss) income  | (124,254,000)   | 92,117,000    | (318,602,000)   | 
Adjustments to reconcile net income to net cash provided by operating activities:  | |||
Depreciation and amortization  | |||
Stock-based employee compensation  | |||
Loss (gain) on disposal of property, plant and equipment  | (  | (  | |
Loss on goodwill and intangible impairment  | 73,312,000    | ||
Allowance for uncollectible accounts  | |||
Deferred income taxes  | (  | (  | (  | 
Undistributed earnings and gains from unconsolidated affiliates  | (51,957,000)   | (46,765,000)   | (54,918,000)   | 
Distributions of income from unconsolidated affiliates  | |||
Contributions to defined benefit pension plans  | (  | (  | (  | 
Gain on pension curtailment and settlements  | (  | ||
Excess tax benefits (costs) from stock‑based compensation  | (  | ||
Changes in assets and liabilities, net of businesses acquired:  | |||
Receivables and unbilled revenue  | (  | ||
Prepaid expenses and other  | (  | (  | (  | 
Accounts payable and accrued subcontractor costs  | (  | (  | |
Billings in excess of revenue  | (  | (  | (  | 
Accrued payroll and employee related liabilities  | (  | (  | |
Other accrued liabilities  | (  | ||
Current income taxes  | (  | (  | |
Long-term employee related liabilities and other  | (  | ||
Net cash (used in) provided by operating activities  | (  | ||
Cash flows from investing activities:  | |||
Capital expenditures  | (  | (  | (  | 
Acquisition related payments  | (  | (  | |
Investments in unconsolidated affiliates  | (  | (  | (  | 
Distributions of capital from unconsolidated affiliates  | |||
Proceeds from sale of operating assets  | |||
Other investing activities  | |||
Net cash (used in) provided by investing activities  | (  | (  | |
Cash flows from financing activities:  | |||
Borrowings on long-term debt  | |||
Payments on long-term debt  | (  | (  | (  | 
Repurchases and retirements of common stock  | (  | (  | (  | 
Proceeds from issuance of preferred stock  | |||
Payments related to net settlement of stock based compensation  | (  | (  | (  | 
Net contributions from (distributions to) noncontrolling interests  | (  | ||
Net cash provided by (used in) financing activities  | (  | (  | |
Effect of exchange rate changes on cash  | (  | (  | |
(Decrease) increase in cash and cash equivalents  | (  | (  | |
Cash and cash equivalents, beginning of period  | 197,021,000    | ||
Cash and cash equivalents, end of period  | 131,029,000    | 197,021,000    | 131,477,000    | 
Supplemental disclosures:  | |||
Cash paid for interest  | |||
Cash paid for income taxes  | |||