CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Thousands, TRY in Millions	12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Jan. 02, 2016 USD ($)
Cash flows from operating activities:
Net income	$ 78,593	$ 79,315	$ 73,691
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	38,506	35,534	35,476
Share-based compensation	7,109	6,889	5,626
Income taxes-U.S. Tax Cuts and Jobs Act	10,198	0	0
Deferred income taxes	(6,311)	2,978	(6,802)
Loss on disposals of plant and equipment	1,572	751	1,542
Realized gain on share purchase liability	0	0	(2,723)
Gain on equity investment	(5,165)	0	0
Foreign exchange (income)/expense	(1,025)	(1,057)	869
Excess tax from share-based payment arrangements	0	0	(932)
Changes in assets and liabilities, net of acquisitions:
Receivables	9,948	(21,334)	3,444
Inventory	(46,372)	(7,636)	9,350
Accounts payable and accrued expenses	(11,071)	11,782	(19,744)
Income taxes	(2,513)	4,709	5,575
Employee benefit plans	(2,529)	(1,049)	(2,455)
Other, net	(4,186)	4,492	(3,314)
Net cash flows from operating activities	66,754	115,374	99,603
Cash flows from investing activities:
Additions to property, plant, and equipment	(33,484)	(39,136)	(26,171)
Proceeds from sale of property, plant, and equipment	211	6,028	202
Cash paid for acquisitions, net of cash acquired	(51,783)	(1,007)	(3,761)
Additional consideration for prior acquisition	0	0	(127)
Other, net	355	346	274
Net cash flows from investing activities	(84,701)	(33,769)	(29,583)
Cash flows from financing activities:
Proceeds from issuance of debt	193,358	64,681	233,486
Repayment of debt	(191,476)	(95,066)	(189,910)
Proceeds from issuance of common stock	4,497	5,243	2,050
Excess tax from share-based payment arrangements	0	0	932
Purchases of common stock	(3,621)	(7,422)	(48,579)
Dividends paid	(20,289)	(19,137)	(18,926)
Purchase of redeemable noncontrolling shares	(5,047)	0	0
Share purchase liability payment	0	0	(20,200)
Net cash flows from financing activities	(22,578)	(51,701)	(41,147)
Effect of exchange rate changes on cash	3,427	(7,134)	(6,453)
Net change in cash and equivalents	(37,098)	22,770	22,420
Cash and equivalents at beginning of period	104,331	81,561	59,141
Cash and equivalents at end of period	67,233	104,331	81,561
Cash paid for income taxes, net of refunds	25,810	22,296	14,264
Cash paid for interest	9,373	8,965	10,211
Non-cash items:
Payable to seller of Bombas Leao, S.A	0	24	24
Additions to property, plant, and equipment, not yet paid	$ 168	$ 366	$ 960