Restructuring and Other Charges (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014	Jan. 03, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ (498)	$ (26)	$ 3,861	$ 370
Restructuring reserve	3,754		3,754		$ 6,210
2015 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			3,862
Restructuring reserve	$ 1,600		$ 1,600