Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 28, 2018	Sep. 29, 2017
Cash flows from operating activities:
Net income	$ 24,045	$ 17,913
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	1,857	1,841
Amortization expense	1,789	1,475
Amortization of debt issuance costs	68	68
Non-cash stock compensation expense	6,932	7,588
Provision for doubtful accounts	313	142
(Gain) loss on foreign currency translation	(425)	530
Release of valuation allowance	1,565	1,815
Changes in assets and liabilities:
Increase in accounts receivable and unbilled revenue	(1,612)	(4,935)
Increase in prepaid expenses and other assets	(1,352)	(1,172)
Decrease in accounts payable	(3,317)	(902)
Decrease in accrued expenses and other liabilities	(3,033)	(3,938)
Decrease in income tax payable	(2,476)	(1,474)
Net cash provided by operating activities	24,354	18,951
Cash flows from investing activities:
Purchases of property and equipment	(7,273)	(4,919)
Cash consideration paid for acquisitions		(9,268)
Cash acquired in acquisitions		261
Net cash used in investing activities	(7,273)	(13,926)
Cash flows from financing activities:
Proceeds from ESPP	387	562
Proceeds from borrowings	5,000	26,000
Repayment of borrowings	(12,500)	(11,000)
Dividends paid	(10,048)	(8,670)
Exercise of stock options		200
Repurchase of common stock	(4,272)	(15,598)
Net cash used in financing activities	(21,433)	(8,506)
Effect of exchange rate on cash	17	(3)
Net decrease in cash and cash equivalents	(4,335)	(3,484)
Cash at beginning of period	17,512	19,710
Cash at end of period	13,177	16,226
Supplemental disclosure of cash flow information:
Cash paid for income taxes	5,406	3,696
Cash paid for interest	$ 450	292
Supplemental disclosure of non-cash acquisition financing activities:
Shares issued to sellers of Jibe Consulting		$ 3,600,000