Consolidated Statements of Cash Flows (Unaudited) (As Restated [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 25, 2012	Mar. 27, 2011
As Restated [Member]
Operating activities
Net income, including redeemable noncontrolling interests	$ 18,307	$ 17,098
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for uncollectible accounts and notes receivable	547	39
Depreciation and amortization	7,927	8,312
Deferred income taxes	(912)	2,388
Stock-based compensation expense	1,694	1,795
Excess tax benefit on equity awards	(129)	(107)
Other	296	770
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(2,670)	(3,011)
Inventories	1,122	(28)
Prepaid expenses	815	(324)
Other current assets	(820)	85
Other assets and liabilities	1,160	(355)
Accounts payable	1,987	(4,818)
Income and other taxes payable	9,850	4,874
Accrued expenses and other current liabilities	1,221	296
Deferred revenue	3,698	(327)
Net cash provided by operating activities	44,093	26,687
Investing activities
Purchases of property and equipment	(6,403)	(4,823)
Loans issued	(687)	(165)
Repayments of loans issued	703	1,468
Other	5
Net cash used in investing activities	(6,382)	(3,520)
Financing activities
Net repayments on line of credit facility	(1,489)	(51,000)
Excess tax benefit on equity awards	129	107
Tax payments for restricted stock issuances	(303)
Proceeds from exercise of stock options	3,728	1,314
Acquisition of Company common stock	(13,820)	(4,119)
Distributions to redeemable noncontrolling interest holders		(1,729)
Other	82	(10)
Net cash used in financing activities	(11,673)	(55,437)
Effect of exchange rate changes on cash and cash equivalents	132	(6)
Change in cash and cash equivalents	26,170	(32,276)
Cash and cash equivalents at beginning of period	18,942	47,829
Cash and cash equivalents at end of period	$ 45,112	$ 15,553