Restructuring and Impairment Charges (Schedule of Restructuring Reserve by Type of Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Restructuring Reserve [Roll Forward]
Restructuring reserve at beginning of period	$ 1,213	$ 55	$ 210
Restructuring charges	549	3,638	333
Cash payments	(1,497)	(2,480)	(488)
Restructuring reserve at end of period	265	1,213	55
Severance Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve at beginning of period	1,213	49	192
Restructuring charges	(706)	2,933	(8)
Cash payments	(257)	(1,769)	(135)
Restructuring reserve at end of period	250	1,213	49
Facility Termination & Other Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve at beginning of period	0	6	18
Restructuring charges	1,255	705	341
Cash payments	(1,240)	(711)	(353)
Restructuring reserve at end of period	$ 15	$ 0	$ 6