Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 15, 2013	Jun. 16, 2012	Jun. 15, 2013	Jun. 16, 2012
Income Tax Disclosure [Text Block]
Income Tax Expense (Benefit)	$ 5,662,000	$ (28,332,000)	$ 6,568,000	$ (24,717,000)
Effective Income Tax Rate Reconciliation, Percent	38.80%	25.00%	37.40%	23.70%
Unrecognized Tax Benefits	2,300,000		2,300,000
Unrecognized Tax Benefits, Period Increase (Decrease)	300,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	300,000		300,000
Income Tax Examination, Penalties and Interest Accrued	$ 100,000		$ 100,000