Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Operating activities
Net loss	$ (493)	$ (6,627)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	14,212	13,121
Other	152	3,113
Changes in operating assets and liabilities, net of assets acquired:
Accounts receivable	1,934	10,593
Accounts payable and accrued expenses	(12,777)	(16,086)
Self-insurance reserve	(1,265)	2,520
Other, net	9,665	(11,284)
Total changes in operating assets and liabilities	11,921	1,977
Net cash provided by (used in) operating activities	11,428	(4,650)
Capital expenditures:
Equipment	(22,660)	(20,066)
Land and building	(150)	(126)
Purchases of businesses, net of cash acquired	(2,916)	(86)
Proceeds from sales of fixed assets	749	1,001
Net cash used in investing activities	(24,977)	(19,277)
Financing activities
Revolving credit facility borrowings	174,000	125,500
Revolving credit facility payments	(178,000)	(97,000)
Purchase of common shares for treasury	(4,430)	(6,067)
Sale of common shares from treasury	4,633	4,460
Dividends paid	(590)	(623)
Proceeds from notes payable	33,152	12,974
Payments of notes payable	(10,482)	(17,627)
Payments of finance leases	(719)	(510)
Net cash provided by financing activities	17,564	21,107
Effect of exchange rate changes on cash	(12)	0
Increase/(decrease) in cash	4,003	(2,820)
Cash, beginning of period	22,661	13,121
Cash, end of period	26,664	10,301
Supplemental cash flow information follows:
Interest paid	2,938	1,631
Income taxes paid	$ 137	$ 1,449