Other Expense (Income), Net (Narrative - Restructuring) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Oct. 01, 2016	Apr. 02, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015
Restructuring Cost and Reserve [Line Items]
Severance and other rationalization costs	$ 138		$ 2,653	$ 1,153	$ 2,653
Previously unrecognized stock-based compensation expense					900
Other Restructuring Costs					$ 1,200
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs	$ 300	$ 1,700