Common and Preferred Stock - Narrative (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended						12 Months Ended					12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jul. 31, 1998	Dec. 29, 2012 Restricted Stock [Member]	Dec. 31, 2011 Restricted Stock [Member]	Jan. 01, 2011 Restricted Stock [Member]	Dec. 29, 2012 Stock Incentive Plan 1998 [Member]	Dec. 31, 2011 Stock Incentive Plan 1998 [Member]	Feb. 15, 2008 Stock Incentive Plan 1998 [Member]	Dec. 29, 2012 Stock Incentive Plan 1998 [Member] Restricted Stock [Member]	Dec. 29, 2012 Stock Incentive Plan 1998 [Member] Stock Options [Member]	Dec. 29, 2012 Stock Incentive Plan 2007 [Member]	Dec. 31, 2011 Stock Incentive Plan 2007 [Member]	Aug. 11, 2011 Stock Incentive Plan 2007 [Member]	Dec. 29, 2012 Stock Incentive Plan 2007 [Member] Restricted Stock [Member]	Dec. 29, 2012 Stock Incentive Plan 2007 [Member] Stock Options [Member]	Dec. 29, 2012 Stock Incentive Plan 2011 [Member]	Dec. 29, 2012 Stock Incentive Plan 2011 [Member] Maximum [Member]
Common stock authorized (shares)	47,500,000	47,500,000
Preferred stock authorized (shares)		2,000,000
Common stock outstanding (shares)	18,802,972	18,655,910
Shares authorized under stock repurchase program (shares)			1,800,000
Number of shares repurchased (shares)	1,738,070
Remaining number of shares authorized to be repurchased (shares)	61,930
Treasury Stock, Shares	4,635,315	4,437,428
Treasury stock, value	$ 147,352	$ 126,682
Expiration term	10 years
Number of shares authorized (shares)									0					0				550,000
Number of shares granted, cumulative (shares)							3,363,506			928,186	2,435,320	894,518			890,889	3,629	0
Nonvested number of shares (shares)				424,916	687,360	631,993				59,115					365,801
Number of shares forfeited, cumulative (shares)										123,514
Shares exercised, cumulative number (shares)											2,092,404					708
Shares forfeited (shares)	2,597						0					2,597
Outstanding number of options (shares)							347,916	706,670			347,916	0	2,597			0