Condensed Consolidated and Combined Statements of Cash Flows (Unaudited) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 27, 2015
Mar. 29, 2014
Operating activities    
Net income $ 4,965 $ 11,235
Adjustments to reconcile net income to net cash used in operating activities:    
Depreciation and amortization expense 920 735
Stock-based compensation 1,879 0
Amortization of debt issuance costs 185 0
Changes in assets and liabilities:    
Receivables (9,589) (42,219)
Other assets (14,409) (1,847)
Accounts payable (10,784) (9,087)
Billings in excess of costs 4,967 (7,184)
Deferred taxes (2,071) (381)
Compensation and other employee benefits (3,393) (10,577)
Other liabilities 101 2,874
Net cash used in operating activities (27,229) (56,451)
Investing activities    
Purchases of capital expenditures (465) (507)
Net cash used in investing activities (465) (507)
Financing activities    
Proceeds from insurance financing 14,857 0
Payment of employee withholding taxes on share-based compensation (724) 0
Transfer to Former Parent, net 0 53,913
Net cash provided by financing activities 14,133 53,913
Exchange rate effect on cash (513) (38)
Net change in cash (14,074) (3,083)
Cash-beginning of year 42,823 10,446
Cash-end of period 28,749 7,363
Supplemental Disclosure of Cash Flow Information:    
Interest paid 915 7
Income taxes paid 37 0
Non-cash investing activities:    
Purchase of capital expenditures on account $ 34 $ 24