Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Operating activities
Net loss	$ (3,887)	$ (4,188)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	12,190	11,341
Other	(458)	(1,284)
Changes in operating assets and liabilities:
Accounts receivable	1,771	(5,694)
Operating liabilities	(8,695)	(2,677)
Other, net	(5,078)	(2,407)
Adjustments to reconcile net loss to net cash used in operating activities:	(270)	(721)
Net cash used in operating activities	(4,157)	(4,909)
Capital expenditures:
Equipment	(21,616)	(25,786)
Land and building	(911)	(284)
Purchases of businesses	(7,452)	0
Other	1,207	59
Net cash used in investing activities	(28,772)	(26,011)
Financing activities
Revolving credit facility proceeds, net	33,000	27,000
Purchase of common shares for treasury	(2,002)	(1,936)
Sale of common shares from treasury	5,340	4,768
Dividends	(650)	(664)
Payments of notes payable	(3,123)	(2,169)
Net cash provided by financing activities	32,565	26,999
Decrease in cash	(364)	(3,921)
Cash, beginning of period	9,006	16,030
Cash, end of period	8,642	12,109
Supplemental cash flow information follows:
Interest paid	1,482	1,328
Income taxes paid	$ 2,506	$ 748