Stock-Based Compensation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013		Jun. 30, 2012
Total stock-based compensation expense, net of tax	$ 1,023	$ 923	$ 1,307		$ 5,499
Total stock-based compensation expense(1)	1,560	1,405	1,992	[1]	8,370	[1]
Income tax benefit	(537)	(482)	(685)		(2,871)
Number of stock plans approved by shareholders			3
CEO Transition Costs	0	0	(391)		5,595
CEO Transition Costs, Net of Tax			(256)		3,676
Stock Options [Member]
Total stock-based compensation expense(1)	732	607	1,277		2,618
Time-Based Stock Awards And Performance Stock Awards [Member]
Total stock-based compensation expense(1)	$ 828	$ 798	$ 715		$ 5,752

[1] Includes $(0.4) million and $5.6 million of CEO transition (benefit) costs for the six months ended June 29, 2013 and June 30, 2012, respectively.