Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014
Cash Flows from Operating Activities
Net income	$ 31,874	$ 18,433
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation expense	35,994	29,245
Amortization of intangibles	1,380	198
Deferred income taxes	(1,454)	505
(Gain)/loss on sale of property, plant and equipment	449	(38)
Impairment of property, plant and equipment	148	0
Gain on exchange of franchise territory	(8,807)	0
Amortization of debt costs	996	958
Amortization of deferred gain related to terminated interest rate agreements	(133)	(279)
Stock compensation expense	2,980	1,491
Fair value adjustment of acquisition-related contingent consideration	(989)	0
Increase in current assets less current liabilities (exclusive of acquisition)	(29,538)	(30,876)
Increase in other noncurrent assets (exclusive of acquisition)	(4,106)	(2,744)
Increase (decrease) in other noncurrent liabilities (exclusive of acquisition)	4,183	(5,135)
Other	(9)	(1)
Total adjustments	1,094	(6,676)
Net cash provided by operating activities	32,968	11,757
Cash Flows from Investing Activities
Additions to property, plant and equipment (exclusive of acquisition)	(57,140)	(37,034)
Proceeds from the sale of property, plant and equipment	144	1,061
Acquisition of new territories, net of cash acquired	(51,276)	(12,163)
Net cash used in investing activities	(108,272)	(48,136)
Cash Flows from Financing Activities
Borrowings under revolving credit facility	239,000	75,000
Payment on revolving credit facility	(20,000)	(20,000)
Payment of debt	(100,000)	0
Cash dividends paid	(4,641)	(4,631)
Excess tax expense from stock-based compensation	0	176
Payment on acquisition related contingent consideration	(789)	0
Principal payments on capital lease obligations	(3,258)	(2,925)
Debt issuance costs (revolving credit facility)	(214)	0
Other	(88)	(128)
Net cash provided by financing activities	110,010	47,492
Net increase in cash	34,706	11,113
Cash at beginning of period	9,095	11,761
Cash at end of period	43,801	22,874
Significant noncash investing and financing activities:
Issuance of Class B Common Stock in connection with stock award	2,225	1,763
Capital lease obligations incurred	3,361	0
Additions to property, plant and equipment accrued and recorded in accounts payable, trade	$ 6,997	$ 2,882