CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013
Cash Flows from Operating Activities
Net income	$ 32,138	$ 35,888
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	44,358	43,655
Amortization of intangibles	377	250
Deferred income taxes	655	(1,376)
(Gain)/loss on sale of property, plant and equipment	231	(264)
Amortization of debt costs	1,438	1,453
Amortization of deferred gain related to terminated interest rate agreements	(420)	(411)
Stock compensation expense	2,272	1,901
Increase in current assets less current liabilities (exclusive of acquisition)	(20,370)	(4,366)
Increase in other noncurrent assets (exclusive of acquisition)	(3,362)	(6,656)
Increase (decrease) in other noncurrent liabilities (exclusive of acquisition)	(7,343)	4,887
Other	(6)	12
Total adjustments	17,830	39,085
Net cash provided by operating activities	49,968	74,973
Cash Flows from Investing Activities
Additions to property, plant and equipment	(61,357)	(45,197)
Proceeds from the sale of property, plant and equipment	1,212	6,056
Acquisition of new territories, net of cash acquired	(12,163)	0
Net cash used in investing activities	(72,308)	(39,141)
Cash Flows from Financing Activities
Borrowings under revolving credit facility	85,000	55,000
Payment on revolving credit facility	(40,000)	(65,000)
Cash dividends paid	(6,948)	(6,933)
Excess tax expense from stock-based compensation	176	0
Principal payments on capital lease obligations	(4,420)	(3,926)
Other	(162)	(89)
Net cash provided by (used in) financing activities	33,646	(20,948)
Net increase in cash	11,306	14,884
Cash at beginning of period	11,761	10,399
Cash at end of period	23,067	25,283
Significant non-cash investing and financing activities:
Issuance of Class B Common Stock in connection with stock award	1,763	1,298
Capital lease obligations incurred	0	455
Additions to property, plant and equipment accrued and recorded in accounts payable, trade	$ 2,854	$ 1,976