Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014
Operating activities
Net income before attribution to noncontrolling interests	$ 55,683	$ 55,342
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for uncollectible accounts and notes receivable	813	1,714
Depreciation and amortization	30,638	29,539
Deferred income taxes	2,259	7,687
Stock-based compensation expense	7,124	5,958
Excess tax benefit on equity awards	(9,884)	(8,493)
Other	3,268	3,916
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(1,994)	(6,861)
Income taxes receivable	8,731
Inventories	2,178	(9,792)
Prepaid expenses	2,033	2,461
Other current assets	367	(313)
Other assets and liabilities	819	3,887
Accounts payable	(3,380)	(1,380)
Income and other taxes payable	375	6,434
Accrued expenses and other current liabilities	20,508	(5,163)
Deferred revenue	200	(110)
Net cash provided by operating activities	119,738	84,826
Investing activities
Purchases of property and equipment	(26,508)	(37,700)
Loans issued	(2,497)	(5,221)
Repayments of loans issued	3,961	3,371
Acquisitions, net of cash acquired	(491)	(4,264)
Other	406	25
Net cash used in investing activities	(25,129)	(43,789)
Financing activities
Net proceeds on line of credit facility	8,549	66,784
Cash dividends paid	(17,950)	(16,119)
Excess tax benefit on equity awards	9,884	8,493
Tax payments for equity award issuances	(10,947)	(7,540)
Proceeds from exercise of stock options	4,569	4,752
Acquisition of Company common stock	(80,166)	(94,152)
Contributions from noncontrolling interest holders	683	1,086
Distributions to noncontrolling interest holders	(4,950)	(1,200)
Other	377	423
Net cash used in financing activities	(89,951)	(37,473)
Effect of exchange rate changes on cash and cash equivalents	(339)	(86)
Change in cash and cash equivalents	4,319	3,478
Cash and cash equivalents at beginning of year	20,122	13,670
Cash and cash equivalents at end of year	$ 24,441	$ 17,148