Derivatives (Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance) (Details) (Designated as Hedging Instrument [Member], Interest Rate Swap [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 28, 2014		Jun. 29, 2013		Jun. 28, 2014		Jun. 29, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion	$ (1,040)		$ 379		$ (1,980)		$ 399
Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion	(86)	[1],[2]	(128)	[1],[2]	(172)	[1],[2]	(273)	[1],[2]
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	337				337
Other Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Cash Flow Hedge Ineffectiveness	$ 0	[3]	$ 0	[3]	$ 0	[3]	$ 0	[3]

[1] The amount of gain (loss) reclassified from AOCIL is included in interest expense on the Company's Consolidated Condensed Statements of Operations.

[2] The amount of loss expected to be reclassified from AOCIL into earnings during the next 12 months subsequent to fiscal 2013 is $337.

[3] The amount of gain (loss) recognized in income on the ineffective portion of interest rate swaps is included in other (income) expense, net on the Company's Consolidated Condensed Statements of Operations.