Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 27, 2018	Sep. 28, 2017
OPERATING ACTIVITIES:
Net earnings	$ 44,741	$ 30,060
Adjustments to reconcile net earnings to net cash provided by operating activities:
Earnings on investments in joint ventures	(282)	(75)
Distributions from joint ventures	65	351
Loss on disposition of property, equipment and other assets	767	420
Amortization of favorable lease right	250	250
Depreciation and amortization	42,899	37,544
Amortization of debt issuance costs	216	209
Shared-based compensation	1,950	1,867
Deferred income taxes	1	4,231
Deferred compensation and other	2,949	1,682
Contribution of the Company's stock to savings and profit-sharing plan	1,130	1,024
Changes in operating assets and liabilities:
Accounts and notes receivable	1,224	(7,896)
Other current assets	(1,793)	(2,220)
Accounts payable	(18,620)	1
Income taxes	12,749	(8,686)
Taxes other than income taxes	(1,963)	286
Accrued compensation	1,105	(1,036)
Other accrued liabilities	(10,318)	(7,076)
Total adjustments	32,329	20,876
Net cash provided by operating activities	77,070	50,936
INVESTING ACTIVITIES:
Capital expenditures	(45,144)	(87,265)
Proceeds from disposals of property, equipment and other assets	86	4,558
Decrease (increase) in other assets	(743)	584
Contribution in joint venture	(295)	0
Net cash used in investing activities	(46,096)	(82,123)
Debt transactions:
Proceeds from borrowings on revolving credit facilities	159,000	254,000
Repayment of borrowings on revolving credit facilities	(177,000)	(236,500)
Proceeds from borrowings on long-term debt	0	65,000
Principal payments on long-term debt	(11,711)	(35,894)
Debt issuance costs	0	(370)
Repayments of capital lease obligations	(1,375)	(782)
Equity transactions:
Treasury stock transactions, except for stock options	(2,566)	(463)
Exercise of stock options	6,902	2,083
Dividends paid	(12,277)	(10,122)
Distributions to noncontrolling interest	(65)	0
Net cash provided by (used in) financing activities	(39,092)	36,952
Net increase (decrease) in cash, cash equivalents and restricted cash	(8,118)	5,765
Cash, cash equivalents and restricted cash at beginning of period	20,747	8,705
Cash, cash equivalents and restricted cash at end of period	12,629	14,470
Supplemental Information:
Interest paid, net of amounts capitalized	10,321	9,354
Income taxes paid (refunded)	(448)	23,025
Change in accounts payable for additions to property and equipment	$ (9,813)	$ 8,942