Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014
Operating activities
Net income	$ 12,404	$ 10,035
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	22,268	20,368
Other	(1,303)	430
Changes in operating assets and liabilities:
Accounts receivable	(18,897)	(18,831)
Operating liabilities	(3,699)	(4,964)
Other, net	7,919	7,125
Adjustments to reconcile net income to net cash provided by (used in) operating activities:	6,288	4,128
Net cash provided by operating activities	18,692	14,163
Capital expenditures:
Equipment	(44,545)	(32,648)
Land and building	(1,013)	(2,011)
Purchases of businesses	(1,549)	(6,771)
Other	607	185
Net cash used in investing activities	(46,500)	(41,245)
Financing activities
Revolving credit facility proceeds, net	40,500	36,500
Purchase of common shares for treasury	11,614	11,494
Sale of common shares from treasury	6,887	6,559
Dividends	(1,348)	(1,242)
Payments of notes payable	(6,806)	(5,281)
Net cash provided by financing activities	27,619	25,042
Decrease in cash	(189)	(2,040)
Cash, beginning of period	18,415	15,861
Cash, end of period	18,226	13,821
Supplemental cash flow information follows:
Interest paid	909	1,393
Income taxes paid	$ 9,143	$ 2,645