Interest and Other Expense (Income), Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Other Income and Expenses [Abstract]
Interest income	$ (94)	$ (105)
Interest expense	9,219	11,693
Other expense, net	2,164	452
Total interest and other expense, net	$ 11,289	$ 12,040