Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2018	Mar. 30, 2017
OPERATING ACTIVITIES:
Net earnings	$ 9,806	$ 9,117
Adjustments to reconcile net earnings to net cash provided by operating activities:
Earnings on investments in joint ventures	(52)	(55)
Distributions from joint ventures	0	109
Loss on disposition of property, equipment and other assets	0	399
Amortization of favorable lease right	83	83
Depreciation and amortization	13,904	12,248
Amortization of debt issuance costs	73	68
Shared-based compensation	596	505
Deferred income taxes	54	1
Deferred compensation and other	(201)	(440)
Contribution of the Company’s stock to savings and profit-sharing plan	1,130	890
Changes in operating assets and liabilities:
Accounts and notes receivable	8,073	1,115
Other current assets	238	(456)
Accounts payable	(13,641)	6,110
Income taxes	3,614	4,467
Taxes other than income taxes	(2,367)	(318)
Accrued compensation	(1,985)	(3,889)
Other accrued liabilities	(7,348)	(4,070)
Total adjustments	2,171	16,767
Net cash provided by operating activities	11,977	25,884
INVESTING ACTIVITIES:
Capital expenditures	(15,974)	(22,229)
Proceeds from disposals of property, equipment and other assets	23	9
Decrease (increase) in other assets	(81)	419
Contribution in joint venture	(117)	0
Net cash used in investing activities	(16,149)	(21,801)
Debt transactions:
Proceeds from borrowings on revolving credit facility	49,000	79,000
Repayment of borrowings on revolving credit facility	(48,000)	(114,000)
Proceeds from borrowings on long-term debt	0	65,000
Principal payments on long-term debt	(173)	(24,399)
Debt issuance costs	0	(365)
Principal payments on capital lease obligations	(432)	(255)
Equity transactions:
Treasury stock transactions, except for stock options	(404)	52
Exercise of stock options	929	455
Dividends paid	(4,070)	(3,366)
Distributions to noncontrolling interest	(19)	0
Net cash provided by (used in) financing activities	(3,169)	2,122
Net increase (decrease) in cash, cash equivalents and restricted cash	(7,341)	6,205
Cash, cash equivalents and restricted cash at beginning of period	20,747	8,705
Cash, cash equivalents and restricted cash at end of period	13,406	14,910
Supplemental Information:
Interest paid, net of amounts capitalized	3,727	2,533
Income taxes paid (refunded)	(147)	1,244
Change in accounts payable for additions to property and equipment	$ (7,082)	$ 5,376