Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2017	Mar. 31, 2016
OPERATING ACTIVITIES:
Net earnings	$ 9,117	$ 5,280
Adjustments to reconcile net earnings to net cash provided by operating activities:
Losses (earnings) on investments in joint ventures	(55)	21
Distributions from joint ventures	109	0
Loss on disposition of property, equipment and other assets	399	113
Amortization of favorable lease right	83	83
Depreciation and amortization	12,248	10,191
Amortization of debt issuance costs	68	65
Shared-based compensation	505	434
Deferred income taxes	1	3
Deferred compensation and other	(440)	43
Contribution of the Company’s stock to savings and profit-sharing plan	890	905
Changes in operating assets and liabilities:
Accounts and notes receivable	1,115	2,604
Other current assets	(456)	190
Accounts payable	6,110	(3,495)
Income taxes	4,467	2,267
Taxes other than income taxes	(318)	(3,124)
Accrued compensation	(3,889)	(809)
Other accrued liabilities	(4,070)	(4,284)
Total adjustments	16,767	5,207
Net cash provided by operating activities	25,884	10,487
INVESTING ACTIVITIES:
Capital expenditures	(22,229)	(16,505)
Proceeds from disposals of property, equipment and other assets	9	3
Decrease in restricted cash	1,274	2,073
Decrease (increase) in other assets	419	(500)
Sale of interest in joint venture	0	1,000
Net cash used in investing activities	(20,527)	(13,929)
FINANCING ACTIVITIES:
Proceeds from borrowings on revolving credit facility	79,000	49,000
Repayment of borrowings on revolving credit facility	(114,000)	(34,000)
Proceeds from issuance of long-term debt	65,000	0
Principal payments on long-term debt	(24,399)	(1,490)
Debt issuance costs	(365)	0
Repayments of capital lease obligations	(255)	0
Equity transactions:
Treasury stock transactions, except for stock options	52	(4,593)
Exercise of stock options	455	125
Dividends paid	(3,366)	(2,997)
Distributions to noncontrolling interest	0	(312)
Net cash provided by financing activities	2,122	5,733
Net increase in cash and cash equivalents	7,479	2,291
Cash and cash equivalents at beginning of period	3,239	6,672
Cash and cash equivalents at end of period	10,718	8,963
Supplemental Information:
Interest paid, net of amounts capitalized	2,533	1,921
Income taxes paid	1,244	1,262
Change in accounts payable for additions to property and equipment	$ 5,376	$ (2,249)