Stock-Based Compensation (Employee Stock Purchase Plan) (Details) (Employee Stock Purchase Plan 1987 [Member], USD $)	9 Months Ended
	Sep. 27, 2013	Sep. 28, 2012
Employee Stock Purchase Plan 1987 [Member]
Employee Stock Purchase Plan [Line Items]
Part of fair market value of common stock used to determine purchase price for share under ESPP	85.00%
Common stock sold under the ESPP plan	390,077	304,468
Employee Stock Ownership Plan (ESOP), Weighted Average Purchase Price of Shares Purchased	$ 26.87	$ 30.23
Shares available for future issuance under Employee Stock Purchase Plan	3,500,000