Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Operating activities
Net income before attribution to noncontrolling interests	$ 20,541	$ 20,319
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for uncollectible accounts and notes receivable	145	314
Depreciation and amortization	9,164	8,537
Deferred income taxes	6,170	3,325
Stock-based compensation expense	2,190	1,681
Excess tax benefit on equity awards	(4,900)	(1,142)
Other	1,110	(180)
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(854)	(627)
Inventories	(3,210)	(1,744)
Prepaid expenses	1,919	3,238
Other current assets	(204)	142
Other assets and liabilities	(795)	38
Accounts payable	(1,311)	(406)
Income and other taxes payable	3,268	1,243
Accrued expenses and other current liabilities	(6,958)	(4,641)
Deferred revenue	403	(183)
Net cash provided by operating activities	26,678	29,914
Investing activities
Purchases of property and equipment	(11,137)	(13,248)
Loans issued	(1,758)	(1,748)
Repayments of loans issued	1,164	1,916
Other	7	319
Net cash used in investing activities	(11,724)	(12,761)
Financing activities
Net proceeds on line of credit facility	19,267	20,652
Cash dividends paid	(5,240)
Excess tax benefit on equity awards	4,900	1,142
Tax payments for equity award issuances	(3,233)	(843)
Proceeds from exercise of stock options	2,989	2,704
Acquisition of Company common stock	(32,800)	(32,122)
Contributions from noncontrolling interest holders		350
Distributions to noncontrolling interest holders	(300)	(1,000)
Other	223	112
Net cash used in financing activities	(14,194)	(9,005)
Effect of exchange rate changes on cash and cash equivalents	(42)	7
Change in cash and cash equivalents	718	8,155
Cash and cash equivalents at beginning of period	13,670	16,396
Cash and cash equivalents at end of period	$ 14,388	$ 24,551