Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2020	Mar. 31, 2019
Cash Flows from Operating Activities:
Net income (loss)	$ 15,601	$ (5,578)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation expense from property, plant and equipment and financing leases	37,799	39,979
Amortization of intangible assets and deferred proceeds, net	5,760	5,793
Fair value adjustment of acquisition related contingent consideration	712	14,046
Loss on sale of property, plant and equipment	491	1,854
Deferred income taxes	5,910	(3,445)
Stock compensation expense	0	2,045
Amortization of debt costs	220	385
Change in current assets less current liabilities	(42,310)	(57,014)
Change in other noncurrent assets	12,223	1,196
Change in other noncurrent liabilities	(4,117)	5,898
Other	0	437
Total adjustments	16,688	11,174
Net cash provided by operating activities	32,289	5,596
Cash Flows from Investing Activities:
Additions to property, plant and equipment	(33,093)	(29,315)
Other distribution agreements	0	(4,654)
Investment in CONA Services LLC	(893)	(486)
Proceeds from the sale of property, plant and equipment	1,658	681
Net cash used in investing activities	(32,328)	(33,774)
Cash Flows from Financing Activities:
Payments on revolving credit facility	(125,000)	(82,339)
Borrowings under revolving credit facility	185,000	131,339
Payments on term loan facility	(7,500)	(15,000)
Payments of acquisition related contingent consideration	(10,452)	(6,237)
Cash dividends paid	(2,344)	(2,339)
Payments on financing lease obligations	(1,485)	(2,114)
Debt issuance fees	(46)	(183)
Net cash provided by financing activities	38,173	23,127
Net increase (decrease) in cash during period	38,134	(5,051)
Cash at beginning of period	9,614	13,548
Cash at end of period	47,748	8,497
Significant noncash investing and financing activities:
Right-of-use assets obtained in exchange for lease obligations	31,691	0
Additions to property, plant and equipment accrued and recorded in accounts payable, trade	12,748	5,350
Class B Common Stock
Significant noncash investing and financing activities:
Issuance of Class B Common Stock in connection with stock award	$ 0	$ 4,776