Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 25, 2016	Sep. 27, 2015
Operating activities
Net income before attribution to noncontrolling interests	$ 74,813	$ 55,683
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for uncollectible accounts and notes receivable	153	813
Depreciation and amortization	30,389	30,638
Deferred income taxes	4,966	(7,625)
Stock-based compensation expense	7,525	7,124
Other	2,811	3,268
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	3,867	(1,994)
Income taxes receivable	(429)	8,731
Inventories	(2,673)	2,178
Prepaid expenses	4,755	2,033
Other current assets	872	367
Other assets and liabilities	(3,085)	819
Accounts payable	(6,290)	(3,380)
Income and other taxes payable	3,381	375
Accrued expenses and other current liabilities	(6,484)	20,508
Deferred revenue	1,411	200
Net cash provided by operating activities	115,982	119,738
Investing activities
Purchases of property and equipment	(38,954)	(26,508)
Loans issued	(2,216)	(2,497)
Repayments of loans issued	6,449	3,961
Acquisitions, net of cash acquired	(11,202)	(491)
Other	193	406
Net cash used in investing activities	(45,730)	(25,129)
Financing activities
Net proceeds from issuance of long-term debt	56,375	8,549
Cash dividends paid	(20,523)	(17,950)
Excess tax benefit on equity awards	5,474	9,884
Tax payments for equity award issuances	(5,999)	(10,947)
Proceeds from exercise of stock options	5,377	4,569
Acquisition of Company common stock	(109,407)	(80,166)
Distributions to noncontrolling interest holders	(3,830)	(4,267)
Other	481	377
Net cash used in financing activities	(72,052)	(89,951)
Effect of exchange rate changes on cash and cash equivalents	(99)	(339)
Change in cash and cash equivalents	(1,899)	4,319
Cash and cash equivalents at beginning of period	21,006	20,122
Cash and cash equivalents at end of period	$ 19,107	$ 24,441