Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2016	Mar. 29, 2015
Cash Flows from Operating Activities
Net income (loss)	$ (9,033)	$ 2,953
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation expense	23,363	17,065
Amortization of intangibles	1,026	592
Deferred income taxes	(5,078)	42
Loss on sale of property, plant and equipment	417	282
Impairment of property, plant and equipment	0	148
Amortization of debt costs	575	504
Stock compensation expense	1,627	1,116
Fair value adjustment of acquisition related contingent consideration	17,151	5,089
Change in current assets less current liabilities (exclusive of acquisition)	(38,926)	(23,898)
Change in other noncurrent assets (exclusive of acquisition)	(2,391)	(3,310)
Change in other noncurrent liabilities (exclusive of acquisition)	(3,975)	(2,229)
Other	27	(149)
Total adjustments	(6,184)	(4,748)
Net cash used in operating activities	(15,217)	(1,795)
Cash Flows from Investing Activities
Additions to property, plant and equipment (exclusive of acquisition)	(36,785)	(30,842)
Proceeds from the sale of property, plant and equipment	131	118
Investment in CONA Services LLC	(1,204)	0
Acquisition of new territories, net of cash acquired	(100,907)	(33,389)
Net cash used in investing activities	(138,765)	(64,113)
Cash Flows from Financing Activities
Borrowings under revolving credit facility	140,000	82,000
Cash dividends paid	(2,323)	(2,317)
Payment on acquisition related contingent consideration	(4,959)	0
Principal payments on capital lease obligations	(1,726)	(1,619)
Other	92	(88)
Net cash provided by financing activities	131,084	77,976
Net increase (decrease) in cash	(22,898)	12,068
Cash at beginning of period	55,498	9,095
Cash at end of period	32,600	21,163
Significant noncash investing and financing activities:
Issuance of Class B Common Stock in connection with stock award	3,726	2,225
Additions to property, plant and equipment accrued and recorded in accounts payable, trade	$ 8,873	$ 4,734