Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2016
Sep. 25, 2015
Operating activities    
Net income $ 19,246 $ 25,012
Adjustments to reconcile net income to net cash provided by (used in) operating activities:    
Depreciation and amortization expense 1,453 2,500
Loss on disposal of property, plant, and equipment 402 328
Stock-based compensation 3,542 5,621
Amortization of debt issuance costs 915 555
Changes in assets and liabilities:    
Receivables 47,501 (13,862)
Other assets (2,954) 1,893
Accounts payable (31,593) 1,994
Billings in excess of costs (2,828) 7,498
Deferred taxes (7,138) (5,306)
Compensation and other employee benefits 9,252 700
Other liabilities (4,314) (16,889)
Net cash provided by operating activities 33,484 10,044
Investing activities    
Purchases of capital assets (400) (769)
Proceeds from the disposition of assets 116 0
Distribution from equity investment 346 0
Net cash provided by (used in) investing activities 62 (769)
Financing activities    
Repayments of long-term debt (20,500) (16,875)
Proceeds from revolver 74,000 235,500
Repayments of revolver (74,000) (235,500)
Proceeds from exercise of stock options 568 107
Proceeds from insurance financing 0 14,857
Repayments of insurance financing 0 (8,061)
Payments of employee withholding taxes on share-based compensation (651) (759)
Payment of debt issuance costs (221) 0
Net cash (used in) financing activities (20,804) (10,731)
Exchange rate effect on cash 614 (207)
Net change in cash 13,356 (1,663)
Cash-beginning of year 39,995 42,823
Cash-end of period 53,351 41,160
Supplemental Disclosure of Cash Flow Information:    
Interest paid 4,224 4,381
Income taxes paid $ 20,598 $ 11,129