Unaudited Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income	$ 43,158	$ 3,752
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	39,448	33,663
Gain on marketable equity securities	(291)	(923)
Gain on disposal of property and equipment	(137)	(198)
Gain on life insurance policies	(1,025)
Amortization of debt issuance costs	998	241
Stock-based compensation	246	246
Provision for doubtful accounts	561	1,683
Deferred income taxes	3,741	(4,771)
Change in assets and liabilities:
Trade and other accounts receivable	(33,239)	(25,242)
Prepaid income taxes, prepaid expenses and other assets	(3,694)	5,833
Accounts payable, accrued expenses and other current liabilities, and insurance and claims	20,421	54,779
Due to/from affiliates, net	2,674	1,848
Other long-term liabilities	1,040	(482)
Net cash provided by operating activities	73,901	70,429
Cash flows from investing activities:
Capital expenditures	(54,207)	(46,677)
Proceeds from the sale of property and equipment	2,132	714
Purchases of marketable securities	(613)	(401)
Proceeds from sale of marketable securities	5,615	1,261
Proceeds from life insurance policies	2,583
Acquisitions of businesses	(100,787)
Net cash used in investing activities	(145,277)	(45,103)
Cash flows from financing activities:
Proceeds from borrowing - revolving debt	304,885	223,723
Repayments of debt - revolving debt	(276,000)	(232,973)
Proceeds from borrowing - term debt	84,133	24,734
Repayments of debt - term debt	(37,123)	(33,452)
Borrowings under margin account	12,400
Repayments under margin account	(7,149)
Payment of capital lease obligations	(69)	(77)
Capitalized financing costs	(862)
Purchases of treasury stock	(832)	(517)
Dividends paid	(7,950)	(5,973)
Net cash provided by (used in) financing activities	71,433	(24,535)
Effect of exchange rate changes on cash and cash equivalents	816	351
Net increase in cash	873	1,142
Cash and cash equivalents – beginning of period	1,672	1,755
Cash and cash equivalents – end of period	2,545	2,897
Supplemental cash flow information:
Cash paid for interest	8,398	6,758
Cash paid for income taxes	$ 3,717	$ 1,628