Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2016	Jan. 01, 2016	Jan. 02, 2015
Noncash investing and financing activities:
Common stock contributed to 401(k) Plan	$ 0	$ 3,920	$ 4,341
Property, plant and equipment purchases included in accounts payable	3,499	7,401	2,926
Common stock issued in connection with Lake Region Medical acquisition	0	245,368	0
Replacement stock options issued in connection with Lake Region Medical acquisition	0	4,508	0
Purchase of non-controlling interests in subsidiaries included in accrued expenses	0	6,818	0
Cash paid during the year for:
Interest	106,475	13,057	3,521
Income taxes	7,263	6,312	13,565
Acquisition of noncash assets	0	2,013,604	22,434
Liabilities assumed	$ 0	$ 1,340,339	$ 6,432