Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013
Operating activities
Net income before attribution to noncontrolling interests	$ 38,380	$ 38,364
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for uncollectible accounts and notes receivable	936	780
Depreciation and amortization	19,019	17,067
Deferred income taxes	6,298	8,256
Stock-based compensation expense	3,612	3,784
Excess tax benefit on equity awards	(7,890)	(3,803)
Other	2,270	694
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	3,400	496
Inventories	(7,295)	456
Prepaid expenses	180	2,000
Other current assets	(152)	(37)
Other assets and liabilities	(17)	(1,954)
Accounts payable	(1,934)	(3,896)
Income and other taxes payable	1,423	(9,022)
Accrued expenses and other current liabilities	(3,970)	(5,870)
Deferred revenue	305	(83)
Net cash provided by operating activities	54,565	47,232
Investing activities
Purchases of property and equipment	(26,239)	(25,493)
Loans issued	(2,642)	(3,103)
Repayments of loans issued	1,880	2,908
Acquisitions, net of cash acquired	(3,179)
Other	3	319
Net cash used in investing activities	(30,177)	(25,369)
Financing activities
Net proceeds on line of credit facility	52,100	44,983
Cash dividends paid	(10,404)
Excess tax benefit on equity awards	7,890	3,803
Tax payments for equity award issuances	(7,498)	(1,841)
Proceeds from exercise of stock options	3,361	3,696
Acquisition of Company common stock	(63,304)	(58,806)
Contributions from noncontrolling interest holders	100	450
Distributions to noncontrolling interest holders	(600)	(1,750)
Other	293	(468)
Net cash used in financing activities	(18,062)	(9,933)
Effect of exchange rate changes on cash and cash equivalents	(25)	(90)
Change in cash and cash equivalents	6,301	11,840
Cash and cash equivalents at beginning of period	13,670	16,396
Cash and cash equivalents at end of period	$ 19,971	$ 28,236