Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2016	Jan. 01, 2016	Jan. 02, 2015
Cash flows from operating activities:
Net income (loss)	$ 5,961	$ (7,594)	$ 55,458
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	90,524	44,632	37,197
Debt related charges included in interest expense	7,278	11,320	773
Inventory step-up amortization	0	22,986
Stock-based compensation	8,408	9,376	13,186
Non-cash (gain) loss on cost and equity method investments	1,495	275	(4,370)
Other non-cash (gains) losses	5,216	1,093	(3,214)
Deferred income taxes	(7,350)	(10,298)	531
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(2,169)	3,684	(11,731)
Inventories	22,170	(25,752)	(6,726)
Prepaid expenses and other assets	(3,846)	(1,861)	(3,281)
Accounts payable	(1,127)	3,129	(970)
Accrued expenses	(13,935)	(28,605)	1,214
Income taxes payable	(7,093)	(9,906)	2,949
Net cash provided by operating activities	105,532	12,479	81,276
Cash flows from investing activities:
Acquisition of property, plant and equipment	(58,632)	(44,616)	(24,827)
Proceeds from sale of property, plant and equipment	347	746	4
Proceeds from sale (purchase of) cost and equity method investments	(3,015)	(6,300)	2,248
Acquisitions, net of cash acquired	0	(423,389)	(16,002)
Other investing activities	(2,000)	0	2,655
Net cash used in investing activities	(63,300)	(473,559)	(35,922)
Cash flows from financing activities:
Principal payments of long-term debt	(46,000)	(1,232,175)	(10,000)
Proceeds from issuance of long-term debt	57,000	1,749,750	0
Issuance of common stock	2,821	6,583	8,278
Payment of debt issuance costs	(1,177)	(45,933)	0
Distribution of cash and cash equivalents to Nuvectra Corporation	(76,256)	0	0
Purchase of non-controlling interests	(6,818)	(9,875)	0
Other financing activities	(1,716)	(440)	(655)
Net cash provided by (used in) financing activities	(72,146)	467,910	(2,377)
Effect of foreign currency exchange rates on cash and cash equivalents	(448)	(1,176)	(1,618)
Net increase (decrease) in cash and cash equivalents	(30,362)	5,654	41,359
Cash and cash equivalents, beginning of year	82,478	76,824	35,465
Cash and cash equivalents, end of year	$ 52,116	$ 82,478	$ 76,824