Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 29, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net income	$ 18,888	$ 12,624
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	1,204	1,251
Amortization expense	1,204	918
Amortization of debt issuance costs	46	45
Non-cash stock compensation expense	4,412	4,817
Provision for doubtful accounts	196	224
Loss (gain) on foreign currency translation	(297)	399
Release of valuation allowance	1,860	2,036
Changes in assets and liabilities:
(Increase) decrease in accounts receivable and unbilled revenue	(1,551)	62
Increase in prepaid expenses and other assets	(953)	(1,412)
Decrease in accounts payable	(34)	(1,327)
Decrease in accrued expenses and other liabilities	(5,895)	(6,821)
Decrease in income tax payable	(4,247)	(3,830)
Net cash provided by operating activities	14,833	8,986
Cash flows from investing activities:
Purchases of property and equipment	(5,161)	(2,946)
Cash consideration paid for acquisitions		(9,268)
Cash acquired in acquisitions		261
Net cash used in investing activities	(5,161)	(11,953)
Cash flows from financing activities:
Proceeds from ESPP	387	562
Proceeds from borrowings		19,000
Repayment of borrowings	(5,500)	(6,000)
Dividends paid	(4,656)	(4,023)
Exercise of stock options		200
Repurchase of common stock	(4,149)	(12,060)
Net cash used in financing activities	(13,918)	(2,321)
Effect of exchange rate on cash	4	(3)
Net decrease in cash and cash equivalents	(4,242)	(5,291)
Cash at beginning of period	17,512	19,710
Cash at end of period	13,270	14,419
Supplemental disclosure of cash flow information:
Cash paid for income taxes	5,400	3,735
Cash paid for interest	$ 296	163
Supplemental disclosure of non-cash acquisition financing activities:
Shares issued to sellers of Jibe Consulting		$ 3,600,000