Common and Preferred Stock - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Common stock authorized (shares)	95,000,000
Preferred stock authorized (shares)	2,000,000
Common stock outstanding (shares)	57,539,766	57,306,082
Shares authorized under stock repurchase program (shares)	4,570,266
Number of shares repurchased (shares)	2,003,504
Remaining number of shares authorized to be repurchased (shares)	2,566,762
Treasury Stock, Shares	4,905,549	4,862,264
Treasury stock, value	$ 205,280	$ 200,862
Expiration term	10 years
Shares forfeited (shares)	7,791
Restricted Stock [Member]
Nonvested number of shares (shares)	616,125	340,904	386,607
Stock Incentive Plan 2007 [Member]
Number of shares authorized (shares)	0
Number of shares granted, cumulative (shares)	2,683,554
Stock Incentive Plan 2007 [Member] | Restricted Stock [Member]
Number of shares granted, cumulative (shares)	2,672,667
Stock Incentive Plan 2007 [Member] | Stock Options [Member]
Number of shares granted, cumulative (shares)	10,887
Shares exercised, cumulative number (shares)	2,124
Outstanding number of options (shares)	0
Stock Incentive Plan 2011 [Member]
Number of shares authorized (shares)	1,650,000
Number of shares granted, cumulative (shares)	852,636
Nonvested number of shares (shares)	616,125