Stockholders' Equity (Narrative) (Details) (USD $)	6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Oct. 21, 2008
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares)			6,000,000
Shares Repurchased And Retired Related to Net of Issuances Shares, Shares	47,000	13,000
Shares Repurchased And Retired Related To Net Issuances Values	$ 1,500,000	$ 500,000
Payments for Repurchase of Common Stock	44,622,000	483,000
Repurchase plan authorized in Oct 2008 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchased and Retired During Period, Shares	1,300,000	0
Payments for Repurchase of Common Stock	$ 43,100,000
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	1,500,000