Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013
Operating activities
Net income before attribution to noncontrolling interests	$ 55,342	$ 53,242
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for uncollectible accounts and notes receivable	1,714	1,130
Depreciation and amortization	29,539	25,672
Deferred income taxes	7,687	6,994
Stock-based compensation expense	5,958	5,642
Excess tax benefit on equity awards	(8,493)	(4,108)
Other	3,916	1,260
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(6,861)	(4,666)
Inventories	(9,792)	(740)
Prepaid expenses	2,461	410
Other current assets	(313)	(129)
Other assets and liabilities	3,887	(3,254)
Accounts payable	(1,380)	1,457
Income and other taxes payable	6,434	(4,511)
Accrued expenses and other current liabilities	(5,163)	(3,217)
Deferred revenue	(110)	(349)
Net cash provided by operating activities	84,826	74,833
Investing activities
Purchases of property and equipment	(37,700)	(38,537)
Loans issued	(5,221)	(3,830)
Repayments of loans issued	3,371	3,687
Acquisitions, net of cash acquired	(4,264)
Other	25	324
Net cash used in investing activities	(43,789)	(38,356)
Financing activities
Net proceeds on line of credit facility	66,784	31,742
Cash dividends paid	(16,119)	(5,414)
Excess tax benefit on equity awards	8,493	4,108
Tax payments for equity award issuances	(7,540)	(1,862)
Proceeds from exercise of stock options	4,752	4,193
Acquisition of Company common stock	(94,152)	(69,137)
Contributions from noncontrolling interest holders	1,086	850
Distributions to noncontrolling interest holders	(1,200)	(3,200)
Other	423	(501)
Net cash used in financing activities	(37,473)	(39,221)
Effect of exchange rate changes on cash and cash equivalents	(86)	37
Change in cash and cash equivalents	3,478	(2,707)
Cash and cash equivalents at beginning of period	13,670	16,396
Cash and cash equivalents at end of period	$ 17,148	$ 13,689