| Component: (Network and Table) | |
|---|---|
| Network | 00400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (http://www.crai.com/role/StatementConsolidatedStatementsOfCashFlows)  | 
| Table | (Implied) | 
| Reporting Entity [Axis] | 0001053706 (http://www.sec.gov/CIK) | 
| CONSOLIDATED STATEMENTS OF CASH FLOWS | Period [Axis] | ||
|---|---|---|---|
2016-01-03 - 2016-12-31  | 2015-01-04 - 2016-01-02  | 2013-12-29 - 2015-01-03  | |
CONSOLIDATED STATEMENTS OF CASH FLOWS  | |||
OPERATING ACTIVITIES:  | |||
Net income  | 14,233,000    | 6,325,000    | 13,407,000    | 
Adjustments to reconcile net income to net cash provided by operating activities, net of effect of acquired businesses:  | |||
Depreciation and amortization  | |||
Loss on disposal of property and equipment  | |||
GNU goodwill impairment  | 4,524,000    | ||
GNU gain on sale of business assets  | (3,836,000)   | ||
Deferred rent  | |||
Deferred income taxes  | (  | (  | |
Share-based compensation expenses  | |||
Excess tax benefits from share-based compensation  | (  | (  | (  | 
GNU gain on extinguishment of debt  | (606,000)   | ||
Accounts receivable allowances  | (  | (  | |
Changes in operating assets and liabilities:  | |||
Accounts receivable  | (  | (  | |
Unbilled services  | (  | (  | (  | 
Prepaid expenses and other current assets, and other assets  | (  | (  | (  | 
Forgivable loans  | |||
Accounts payable, accrued expenses, and other liabilities  | (  | ||
Net cash provided by operating activities  | |||
INVESTING ACTIVITIES:  | |||
Consideration relating to acquisitions, net  | (  | ||
Purchase of property and equipment  | (  | (  | (  | 
Cash proceeds from sale of GNU  | |||
Collections on notes receivable  | |||
Payments on notes receivable  | (  | ||
Net cash used in investing activities  | (  | (  | (  | 
FINANCING ACTIVITIES:  | |||
Issuance of common stock, principally stock option exercises  | |||
Borrowings under line of credit  | |||
Payments under line of credit  | (  | (  | |
Payments on notes payable  | (  | (  | (  | 
Tax withholding payment reimbursed by restricted shares  | (  | (  | (  | 
Excess tax benefits from share-based compensation  | |||
Cash dividends paid to stockholders  | (  | ||
Repurchase of common stock  | (  | (  | (  | 
Net cash used in financing activities  | (  | (  | (  | 
Effect of foreign exchange rates on cash and cash equivalents  | (  | (  | (  | 
Net increase (decrease) in cash and cash equivalents  | (  | (  | |
Cash and cash equivalents at beginning of period  | 38,139,000    | ||
Cash and cash equivalents at end of period  | 53,530,000    | 38,139,000    | 48,199,000    | 
Noncash investing and financing activities:  | |||
Issuance of common stock for acquired business  | |||
Purchases of property and equipment not yet paid for  | |||
Purchases of property and equipment by a third party  | |||
Asset retirement obligations  | |||
Supplemental cash flow information:  | |||
Cash paid for taxes  | |||
Cash paid for interest  | |||
Securities received from a customer for settlement of receivable  | |||