Leases Future Minimum Rent (Details) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2014
Operating Leased Assets [Line Items]
Rental Payments, Capital Leases, 2015	$ 7,617
Rental Payments, Capital Leases, 2016	7,110
Rental Payments, Capital Leases, 2017	6,512
Rental Payments, Capital Leases, 2018	7,585
Rental Payments, Capital Leases, 2019	7,734
Rental Payments, Capital Leases, Thereafter	107,085
Rental Payments, Capital Leases, Total minimum payments	143,643
Less interest	(82,844)
Present value of minimum capital lease payments	60,799	[1]
Rental Payments, Operating Leases, 2015	70,119
Rental Payments, Operating Leases, 2016	64,537
Rental Payments, Operating Leases, 2017	63,376
Rental Payments, Operating Leases, 2018	61,290
Rental Payments, Operating Leases, 2019	59,587
Rental Payments, Operating Leases, Thereafter	787,283
Rental Payments, Operating Leases, Total minimum payments	1,106,192
Rental Receipts, Capital Leases, 2015	7,658
Rental Receipts, Capital Leases, 2016	7,783
Rental Receipts, Capital Leases, 2017	8,032
Rental Receipts, Capital Leases, 2018	7,750
Rental Receipts, Capital Leases, 2019	7,723
Rental Receipts, Capital Leases, Thereafter	134,337
Rental Receipts, Capital Leases, Total minimum payments	173,283
Rental Receipts, Operating Leases, 2015	32,501
Rental Receipts, Operating Leases, 2016	32,285
Rental Receipts, Operating Leases, 2017	32,074
Rental Receipts, Operating Leases, 2018	31,187
Rental Receipts, Operating Leases, 2019	30,879
Rental Receipts, Operating Leases, Thereafter	434,426
Rental Receipts, Operating Leases, Total minimum payments	593,352
Rental Receipts, Owned Properties, 2015	20,105
Rental Receipts, Owned Properties, 2016	20,010
Rental Receipts, Owned Properties, 2017	19,923
Rental Receipts, Owned Properties, 2018	20,096
Rental Receipts, Owned Properties, 2019	21,096
Rental Receipts, Owned Properties, Thereafter	382,366
Rental Receipts, Owned Properties, Total minimum payments	483,596
Current portion of long-term debt [Member]
Operating Leased Assets [Line Items]
Capital Lease Obligations, Current	821
Long-term Debt [Member]
Operating Leased Assets [Line Items]
Capital Lease Obligations, Noncurrent	$ 59,978

[1] The present value of minimum capital lease payments of $821 and $59,978 are included in “Current portion of long-term debt” and “Long-term debt,” respectively.