Derivatives (Details) (USD $)	3 Months Ended				3 Months Ended						3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014 Cash Flow Hedging [Member]	Mar. 29, 2014 2006 Swap Agreement [Member]	Mar. 29, 2014 Interest Rate Swap Agreements [Member]	Mar. 29, 2014 Interest Rate Swap Agreements [Member] Cash Flow Hedging [Member]	Mar. 29, 2014 Interest Rate Swap Agreements [Member] Derivatives Designated as Hedging Instruments [Member] Other Long Term Liabilities [Member]		Dec. 28, 2013 Interest Rate Swap Agreements [Member] Derivatives Designated as Hedging Instruments [Member] Other Long Term Liabilities [Member]		Mar. 29, 2014 Forward Currency-Exchange Contracts [Member]	Mar. 29, 2014 Forward Currency-Exchange Contracts [Member] Cash Flow Hedging [Member]	Mar. 29, 2014 Forward Currency-Exchange Contracts [Member] Derivatives Designated as Hedging Instruments [Member] Other Current Assets [Member]		Dec. 28, 2013 Forward Currency-Exchange Contracts [Member] Derivatives Designated as Hedging Instruments [Member] Other Current Assets [Member]		Mar. 29, 2014 Forward Currency-Exchange Contracts [Member] Derivatives Designated as Hedging Instruments [Member] Other Current Liabilities [Member]		Dec. 28, 2013 Forward Currency-Exchange Contracts [Member] Derivatives Designated as Hedging Instruments [Member] Other Current Liabilities [Member]		Mar. 29, 2014 Forward Currency-Exchange Contracts [Member] Derivatives Not Designated as Hedging Instruments [Member] Other Current Assets [Member]		Dec. 28, 2013 Forward Currency-Exchange Contracts [Member] Derivatives Not Designated as Hedging Instruments [Member] Other Current Assets [Member]		Mar. 29, 2014 Forward Currency-Exchange Contracts [Member] Derivatives Not Designated as Hedging Instruments [Member] Other Current Liabilities [Member]		Dec. 28, 2013 Forward Currency-Exchange Contracts [Member] Derivatives Not Designated as Hedging Instruments [Member] Other Current Liabilities [Member]
Interest Rate Swaps [Abstract]
Fixed rate of interest (in hundredths)				5.63%
Rate of effectiveness of interest rate swap agreement (in hundredths)					100.00%
Financial covenants					maximum consolidated leverage ratio of 3.5 to 1, and a minimum consolidated interest coverage ratio of 3 to 1
Maximum consolidated leverage ratio					3.5
Minimum consolidated interest coverage ratio					3
Unrealized loss on derivatives					$ 690,000
Forward Currency-Exchange Contracts [Abstract]
Maximum period over which entity manages its level of exposure of risk											12 months
Recognized gains (losses)	36,000	(2,000)
Derivatives in an Asset Position [Abstract]
Derivatives in an asset position													44,000	[1]	0	[1]					0	[1]	97,000	[1]
Notional amount, Derivative asset													840,000	[2]	0						0	[2]	1,419,000
Derivatives in a Liability Position [Abstract]
Derivatives in a liability position							(690,000)	[1]	(773,000)	[1]							(8,000)	[1]	(22,000)	[1]					0	[1]	(1,000)	[1]
Notional amount, Derivative liability							6,250,000	[2]	6,375,000								500,000	[2]	1,340,000						0	[2]	288,000
Accumulated Other Comprehensive Items, Net of Tax [Abstract]
Unrealized loss, net of tax, at beginning of period			(633,000)			(618,000)						(15,000)
Loss reclassified to earnings			54,000			54,000						0
Gain recognized in OCI	(92,000)	(195,000)	38,000			0						38,000
Unrealized (loss) gain, net of tax, at end of period			(541,000)			(564,000)						23,000
Net unrealized loss included in OCI expected to be reclassified to earnings over the next 12 months	$ 237,000

[1] See Note 11 for the fair value measurements related to these financial instruments.

[2] The total notional amount is indicative of the level of the Company’s derivative activity during the first three months of 2014.