Long-Term Debt (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Apr. 01, 2014 rent	Oct. 16, 2013
Long-term debt
Maximum commitments		$ 200
Maximum commitments, letter of credit subfacility		50
Additional available credit		100
Net availability for borrowings	154
Outstanding borrowings	25
Outstanding letters of credit	21
Multiplier of rent used to compute Adjusted Debt	8
Threshold amount of unrestricted cash and cash equivalents above which amounts are netted against debt for calculation of net adjusted leverage ratio	$ 25
Trailing period for which EBITDAR is computed	12 months
Net Adjusted Leverage Ratio	2.6
EBITDAR Ratio	3.0
Minimum
Long-term debt
Financial covenant, EBITDAR Ratio	1.9
Commitment fee (as a percent)	0.15%
Maximum
Long-term debt
Financial covenant, Net Adjusted Leverage Ratio	4.0
Commitment fee (as a percent)	0.30%
Adjusted LIBO Rate
Long-term debt
Credit facility, floating interest rate basis	Adjusted LIBO Rate
Adjusted LIBO Rate | Minimum
Long-term debt
Credit facility, basis spread on variable rate, (as a percent)	1.00%
Adjusted LIBO Rate | Maximum
Long-term debt
Credit facility, basis spread on variable rate, (as a percent)	1.75%
Federal Funds Effective Rate
Long-term debt
Credit facility, floating interest rate basis	Federal Funds Effective Rate
Credit facility, basis spread on variable rate, (as a percent)	0.50%
One-month Adjusted LIBO Rate
Long-term debt
Credit facility, floating interest rate basis	one-month Adjusted LIBO Rate
Fixed percentage added to variable rate	1.00%
One-month Adjusted LIBO Rate | Minimum
Long-term debt
Credit facility, basis spread on variable rate, (as a percent)	0.00%
One-month Adjusted LIBO Rate | Maximum
Long-term debt
Credit facility, basis spread on variable rate, (as a percent)	0.75%