Stock-Based Compensation (Restricted Stock Awards) (Details) (USD $)	3 Months Ended
	Mar. 27, 2015	Mar. 28, 2014
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Share-based Payment Award Nonvested	175,000	165,000
Price Per Share	$ 33.44	$ 25.52
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Share-based Payment Award Nonvested	50,000
Price Per Share	$ 33.44
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Share-based Payment Award Nonvested	21,875	26,117
Price Per Share	$ 33.60	$ 28.15