Other Income (Schedule of Interest Income and Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Nonoperating Income (Expense) [Abstract]
Interest income	$ 15,314	$ 16,543	$ 15,191
Interest expense	(4,226)	(5,068)	(5,341)
Other	954	4,571	46
Other income, net	$ 12,042	$ 16,046	$ 9,896