Indebtedness (Schedule of Minimum Annual Payments Under Capital Lease Obligations and Maturities of Indebtedness) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011
Schedule of Future Minimum Lease Payments For Capital Leases and Maturities of Indebtedness [Line Items]
Minimum Lease Payments	$ 150,549
Less: Interest	9,205
Principal	141,344
Prinicpal Amount of Indebtedness	54,795	67,500
Total debt and capital lease obligations	196,139	126,543
2013
Schedule of Future Minimum Lease Payments For Capital Leases and Maturities of Indebtedness [Line Items]
Minimum Lease Payments	38,717
Less: Interest	3,900
Principal	34,817
Prinicpal Amount of Indebtedness	24,765
Total debt and capital lease obligations	59,582
2014
Schedule of Future Minimum Lease Payments For Capital Leases and Maturities of Indebtedness [Line Items]
Minimum Lease Payments	35,715
Less: Interest	2,855
Principal	32,860
Prinicpal Amount of Indebtedness	15,015
Total debt and capital lease obligations	47,875
2015
Schedule of Future Minimum Lease Payments For Capital Leases and Maturities of Indebtedness [Line Items]
Minimum Lease Payments	33,792
Less: Interest	1,767
Principal	32,025
Prinicpal Amount of Indebtedness	15,015
Total debt and capital lease obligations	47,040
2016
Schedule of Future Minimum Lease Payments For Capital Leases and Maturities of Indebtedness [Line Items]
Minimum Lease Payments	30,803
Less: Interest	589
Principal	30,214
Prinicpal Amount of Indebtedness	0
Total debt and capital lease obligations	30,214
2017
Schedule of Future Minimum Lease Payments For Capital Leases and Maturities of Indebtedness [Line Items]
Minimum Lease Payments	11,522
Less: Interest	94
Principal	11,428
Prinicpal Amount of Indebtedness	0
Total debt and capital lease obligations	$ 11,428