Interest and Other Expense (Income), Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 01, 2012	Apr. 03, 2011
Other Income and Expenses [Abstract]
Interest income	$ (210)	$ (322)
Interest expense	11,437	3,916
Other expense, net	1,603	2,162
Total interest and other expense, net	$ 12,830	$ 5,756