Stock-Based Employee Compensation (Narrative) (Details) (USD $)	6 Months Ended
	Jun. 17, 2014	Jun. 11, 2013	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock issuable upon exercise of currently outstanding options	1,481,900		1,492,775
Total unrecognized compensation cost related to non-vested stock options	$ 6,800,000
Cost is expected to be recognized	2 years 8 months 12 days
Fair value of each option award, risk free interest rate	1.86%	0.99%
Fair value of each option award, expected option life	5 years 4 months 24 days	6 years 3 months
Fair value of each option award, expected volatility	37.32%	42.31%
Estimated dividend yield
Equity-based compensation	$ 1,154,000	$ 466,000
2012 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted under the company's equity incentive plan, vesting period	4 years
Shares authorized for issuance	2,232,800
Shares of common stock issuable upon exercise of currently outstanding options	1,481,900
Shares available for future grants	704,300
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted under the company's equity incentive plan, vesting period	1 year
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted under the company's equity incentive plan, vesting period	4 years
Maximum [Member] | 2012 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted under the Company's equity incentive plan, contractual term	10 years