Condensed Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jul. 02, 2011	May 14, 2010
Operating activities:
Net income (loss)	$ 8,497	$ (1,481)
Adjustments to reconcile net income (loss) to net cash used in operating activities, net of effect of acquired businesses:
Depreciation and amortization	2,673	2,737
Loss on disposal of property and equipment		17
Deferred rent	(1,699)	(731)
Deferred income taxes	(3,415)	(941)
(Gain) loss on extinguishment of convertible debentures	(3)	425
Share-based compensation expenses	3,197	3,118
Excess tax benefits from share-based compensation	(50)	(47)
Noncash interest from discount on convertible debentures	232	609
Changes in operating assets and liabilities:
Accounts receivable	(3,252)	8,398
Unbilled services	(10,005)	(655)
Prepaid expenses and other assets	(5,581)	5,889
Accounts payable, accrued expenses, and other liabilities	1,992	(26,820)
Net cash used in operating activities	(7,414)	(9,482)
Investing activities:
Consideration relating to acquisitions, net	(844)	(614)
Purchase of property and equipment	(4,514)	(1,086)
Purchase of investments	(31,543)	(53,751)
Sale of investments	17,059	36,310
Collections on notes receivable	64
Net cash used in investing activities	(19,778)	(19,141)
Financing activities:
Issuance of common stock, principally stock option exercises	620	596
Payments on notes payable	(370)
Extinguishment of convertible debentures	(21,880)	(14,944)
Tax withholding payment reimbursed by restricted shares	(705)	(902)
Excess tax benefits from share-based compensation	50	47
Repurchase of common stock	(1,368)	(236)
Repurchase of treasury stock by NeuCo, Inc.	(33)	(333)
Net cash used in financing activities	(23,686)	(15,772)
Effect of foreign exchange rates on cash and cash equivalents	534	225
Net decrease in cash and cash equivalents	(50,344)	(44,170)
Cash and cash equivalents at beginning of period	87,505	82,806
Cash and cash equivalents at end of period	37,161	38,636
Supplemental cash flow information:
Cash paid for income taxes	7,028	227
Cash paid for interest	393	1,130
Noncash financing activity:
Repurchase of shares in exchange for notes receivable by NeuCo, Inc.		$ 422