Non-Operating Deductions, Net (Details) (USD $)	3 Months Ended
	Apr. 01, 2012	Apr. 03, 2011
Non-Operating Deductions, Net [Abstract]
Interest income	$ 1,000,000	$ 800,000
Interest expense	(800,000)	(800,000)
Foreign exchange gains (losses)	(400,000)	(500,000)
Other deductions	(400,000)	(300,000)
Non-operating deductions, net	$ (598,000)	$ (837,000)