Condensed Consolidated Statements of Cash Flows - Unaudited - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Apr. 01, 2016
Cash flows from operating activities:
Net loss	$ (4,339)	$ (12,660)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	24,606	22,413
Debt related amortization included in interest expense	3,437	1,773
Stock-based compensation	4,669	2,835
Other non-cash (gains) losses	1,499	(3,522)
Deferred income taxes	(1,753)	(2,445)
Changes in operating assets and liabilities:
Accounts receivable	(8,700)	23,856
Inventories	(5,956)	(14,444)
Prepaid expenses and other current assets	1,853	1,410
Accounts payable	13,146	1,913
Accrued expenses	4,401	7,844
Income taxes	5,762	885
Net cash provided by operating activities	38,625	29,858
Cash flows from investing activities:
Acquisition of property, plant and equipment	(12,328)	(18,768)
Purchase of cost and equity method investments	(260)	(648)
Other investing activities	0	285
Net cash used in investing activities	(12,588)	(19,131)
Cash flows from financing activities:
Principal payments of long-term debt	(79,151)	(7,250)
Proceeds from issuance of long-term debt	50,000	55,000
Proceeds from the exercise of stock options	7,449	0
Payment of debt issuance costs	(1,789)	(781)
Distribution of cash and cash equivalents to Nuvectra Corporation	0	(76,256)
Purchase of non-controlling interests	0	(6,818)
Other financing activities	0	(3,983)
Net cash used in financing activities	(23,491)	(40,088)
Effect of foreign currency exchange rates on cash and cash equivalents	219	1,006
Net increase (decrease) in cash and cash equivalents	2,765	(28,355)
Cash and cash equivalents, beginning of period	52,116	82,478
Cash and cash equivalents, end of period	$ 54,881	$ 54,123