CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
OPERATING ACTIVITIES:
Net income (loss)	$ 11,235	$ (52,843)	$ 16,945
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities, net of effect of acquired businesses:
Depreciation and amortization	6,460	5,841	5,103
Loss on disposal of property and equipment	16	1,444	146
Goodwill impairment	0	71,394	0
Deferred rent	(1,903)	(4,475)	(1,956)
Deferred income taxes	3,924	(9,882)	(8,739)
Share-based compensation expenses	3,035	4,947	5,769
Excess tax benefits from share-based compensation	(7)	(81)	(49)
Accounts receivable allowances	(2,186)	2,814	(546)
Noncash interest from discount on convertible debentures	0	0	229
Changes in operating assets and liabilities:
Accounts receivable	9,917	10,271	(11,999)
Unbilled services	(2,997)	(4,674)	12,640
Prepaid expenses and other current assets, and other assets	(20,160)	(19,870)	(47)
Accounts payable, accrued expenses, and other liabilities	11,114	(13,411)	12,535
Net cash provided by (used in) operating activities	18,448	(8,525)	30,031
INVESTING ACTIVITIES:
Consideration relating to acquisitions, net	(15,591)	0	(844)
Purchase of property and equipment	(2,816)	(2,732)	(8,246)
Purchase of investments	0	(9,494)	(61,049)
Sale of investments	0	23,989	46,554
Collections on notes receivable	14	989	64
Net cash (used in) provided by investing activities	(18,393)	12,752	(23,521)
FINANCING ACTIVITIES:
Issuance of common stock, principally stock options exercises	207	647	620
Borrowings under line of credit	17,320	0	0
Payments under line of credit	(17,320)	0	0
Payments on notes payable	(700)	(650)	(334)
Extinguishment of convertible debentures	0	0	(21,880)
Payments of debt issuance costs	(1,120)	0	0
Tax withholding payment reimbursed by restricted shares	(730)	(1,360)	(1,146)
Excess tax benefits from share-based compensation	7	81	49
Repurchase of common stock	(2,190)	(9,062)	(9,054)
Repurchase of treasury stock by Neuco, Inc.	0	0	(33)
Net cash used in financing activities	(4,526)	(10,344)	(31,778)
Effect of foreign exchange rates on cash and cash equivalents	271	(19)	(650)
Net decrease in cash and cash equivalents	(4,200)	(6,136)	(25,918)
Cash and cash equivalents at beginning of period	55,451	61,587	87,505
Cash and cash equivalents at end of period	51,251	55,451	61,587
Supplemental cash flow information:
Cash paid for taxes	2,887	8,718	18,744
Cash paid for interest	$ 339	$ 223	$ 558