Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014
Operating activities
Net income before attribution to noncontrolling interests	$ 36,707	$ 38,380
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for uncollectible accounts and notes receivable	631	936
Depreciation and amortization	20,177	19,019
Deferred income taxes	6,424	6,298
Stock-based compensation expense	4,985	3,612
Excess tax benefit on equity awards	(9,488)	(7,890)
Other	2,239	2,270
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	1,682	3,400
Income taxes receivable	(1,281)
Inventories	3,474	(7,295)
Prepaid expenses	999	180
Other current assets	293	(152)
Other assets and liabilities	(773)	(17)
Accounts payable	(3,877)	(1,934)
Income and other taxes payable	72	1,423
Accrued expenses and other current liabilities	15,495	(3,970)
Deferred revenue	223	305
Net cash provided by operating activities	77,982	54,565
Investing activities
Purchases of property and equipment	(16,501)	(26,239)
Loans issued	(1,571)	(2,642)
Repayments of loans issued	2,787	1,880
Acquisitions, net of cash acquired	(491)	(3,179)
Other	348	3
Net cash used in investing activities	(15,428)	(30,177)
Financing activities
Net proceeds on line of credit facility	3,549	52,100
Cash dividends paid	(11,083)	(10,404)
Excess tax benefit on equity awards	9,488	7,890
Tax payments for equity award issuances	(10,654)	(7,498)
Proceeds from exercise of stock options	3,915	3,361
Acquisition of Company common stock	(52,083)	(63,304)
Contributions from noncontrolling interest holders	683	100
Distributions to noncontrolling interest holders	(4,350)	(600)
Other	319	293
Net cash used in financing activities	(60,216)	(18,062)
Effect of exchange rate changes on cash and cash equivalents	(13)	(25)
Change in cash and cash equivalents	2,325	6,301
Cash and cash equivalents at beginning of year	20,122	13,670
Cash and cash equivalents at end of year	$ 22,447	$ 19,971