Business Segment and Geographical Information - Additional Information (Details) $ in Thousands	12 Months Ended
	Jan. 02, 2016 USD ($) Segment	Jan. 03, 2015 USD ($)	Dec. 28, 2013 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | Segment	2
Segment Reporting Information [Line Items]
Net restructuring and other expense (income)	$ 515	$ 805	$ 103
Operating Segments | Papermaking systems segment
Segment Reporting Information [Line Items]
Net restructuring and other expense (income)	$ 500	$ 800	$ 100