Condensed Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 01, 2011
Cash Flows from Operating Activities:
Net (loss) income	$ (1,888)	$ 1,817
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Stock-based compensation expense	25	8
Depreciation and amortization	2,270	774
Impairment loss on long-lived assets	1,981
Deferred income taxes	166
Gain on release of foreign currency translation, net of taxes		(2,542)
Loss attributable to non-controlling interest	(580)
Changes in operating assets and liabilities, net of assets acquired and liabilities assumed:
Accounts receivable	(6,926)
Prepaid expenses and other current assets	(1,417)	675
Other assets	(18)	(220)
Accounts payable	1,867	358
Accrueds and other liabilities	974	(2,384)
Net cash used in operating activities	(3,546)	(1,514)
Cash Flows from Investing Activities:
Purchases of net assets in acquisitions	(48,131)
Purchases of property and equipment	(1,625)
Purchases of marketable securities	(198,630)	(96,254)
Sales of marketable securities	261,312	114,014
Maturities of marketable securities	27,500	36,612
Investment by non-controlling interest	75
Net cash provided by investing activities	40,501	54,372
Effect of foreign currency translation on cash and cash equivalents	(4)	246
Net increase in cash and cash equivalents	36,951	53,104
Cash and cash equivalents, beginning of period	8,487	38,276
Cash and cash equivalents, end of period	45,438	91,380
Non-cash investing and financing activities:
Net unrealized gains (losses) on available-for-sale securities, net of taxes	$ 307	$ (782)