Goodwill and Other Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2016	Mar. 29, 2015
Goodwill [Roll Forward]
Goodwill, beginning of period	$ 145,607	$ 170,773
Goodwill additions	108,002	4,100
Goodwill, Translation and Purchase Accounting Adjustments	4,631	(7,950)
Goodwill, end of period	$ 258,240	$ 166,923