Stock-Based Compensation Stock Option Activity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 25, 2016	Dec. 31, 2015	Dec. 27, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from Stock Options Exercised		$ 1,641,000	$ 7,265,000		$ 7,423,000
Balance at December 31, 2014	376,033		1,819,444
Granted				0
Exercised		(86,908)		(420,642)
Canceled		(24,750)		(117,269)
Expired		(32,750)		(905,500)
Balance at December 31, 2015	231,625		376,033		1,819,444
Options vested or expected to vest at December 31, 2016	231,625
Exercisable at December 31, 2016	231,625
Balance Weighted Average Exercise Price	$ 18.89		$ 20.28
Grants in Period, Weighted Average Exercise Price				$ 0.00
Exercised, Weighted Average Exercise Price		$ 18.77		17.29
Canceled, Weighted Average Exercise Price		21.51		21.80
Expired, Weighted Average Exercise Price		$ 17.56		$ 22.05
Balance Weighted Average Exercise Price	18.88		$ 18.89		$ 20.28
Options, Vested and Expected to Vest, Weighted Average Exercise Price	18.88
Exercisable, Weighted Average Exercise Price	$ 18.88
Outstanding, Weighted Average Remaining Contractual Term				3 years 219 days
Vested and Expected to Vest, Weighted Average Remaining Contractual Term		3 years 37 days
Exercisable, Weighted Average Remaining Contractual Term		3 years 37 days
Options, Outstanding, Intrinsic Value			$ 452,128
Options Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	$ 1,845,263
Exercisable, Intrinsic Value	$ 1,845,263