Other Income (Schedule of Interest Income and Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Nonoperating Income (Expense) [Abstract]
Interest income	$ 18,933	$ 15,252	$ 11,990
Interest expense	(8,012)	(4,479)	(11,820)
Other	(4,263)	(3,352)	74
Other income, net	$ 6,658	$ 7,421	$ 244