Financial Instruments - Schedule of Interest Rate Swaps (Details) (Interest Rate Swap [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012
Other Comprehensive Income (Loss) [Member]
Derivative [Line Items]
Gain/(loss) recognized in accumulated other comprehensive income	$ (644)	$ (1,663)
Interest Expense [Member]
Derivative [Line Items]
Gain/(loss) reclassified from accumulated other comprehensive income (effective portion)	(2,006)	(2,001)
Other Expense [Member]
Derivative [Line Items]
Gain/(loss) recognized in income (ineffective portion)	20	(25)
Other Noncurrent Liabilities [Member]
Derivative [Line Items]
Fair value	$ (1,471)	$ (2,853)