Goodwill and Other Intangible Assets (Table 1 Changes in Goodwill) (Details) $ in Thousands	6 Months Ended
	Jul. 04, 2015 USD ($)
Goodwill [Rollforward]
Balance at January 3, 2015	$ 317,257
Foreign currency translation	(6,063)
Balance at July 4, 2015	$ 311,194