Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014
Operating activities
Net income	$ 20,578	$ 19,692
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	34,437	31,439
Other	(1,626)	(322)
Changes in operating assets and liabilities:
Accounts receivable	(23,970)	(20,570)
Operating liabilities	5,522	(5,535)
Other, net	1,706	(1,608)
Adjustments to reconcile net income to net cash provided by (used in) operating activities:	16,069	3,404
Net cash provided by operating activities	36,647	23,096
Capital expenditures:
Equipment	(50,154)	(40,152)
Land and building	(2,264)	(9,116)
Purchases of businesses	(2,649)	(9,544)
Other	812	423
Net cash used in investing activities	(54,255)	(58,389)
Financing activities
Revolving credit facility proceeds, net	21,500	34,600
Purchase of common shares for treasury	16,047	13,242
Sale of common shares from treasury	8,083	8,143
Dividends	(2,015)	(1,998)
Proceeds from notes payable	3,588	9,072
Net cash provided by financing activities	15,109	36,575
(Decrease) increase in cash	(2,499)	1,282
Cash, beginning of period	18,415	15,861
Cash, end of period	15,916	17,143
Supplemental cash flow information follows:
Interest paid	2,903	2,461
Income taxes paid	$ 13,862	$ 6,449