Cash and Receivables Cash and Cash Equivalents (Details) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2013		Dec. 30, 2012		Jan. 01, 2012	Jan. 02, 2011
Cash and Cash Equivalents [Line Items]
Cash	$ 174,278		$ 188,436
Cash Equivalents, at Carrying Value	405,874		264,925
Cash and cash equivalents	580,152		453,361		475,231	512,508
Prepaids and Other Current Assets [Member]
Cash and Cash Equivalents [Line Items]
Restricted Cash and Cash Equivalents, Current	18,916	[1]	320	[1]
Prepaids and Other Current Assets [Member] | Collateral Supporting Letters of Credit [Member]
Cash and Cash Equivalents [Line Items]
Restricted Cash and Cash Equivalents, Current	18,593	[1]	0	[1]
Prepaids and Other Current Assets [Member] | Trust for Benefit of Employees [Member]
Cash and Cash Equivalents [Line Items]
Restricted Cash and Cash Equivalents, Current	168	[1]	168	[1]
Prepaids and Other Current Assets [Member] | Other Restricted Cash Equivalents [Member]
Cash and Cash Equivalents [Line Items]
Restricted Cash and Cash Equivalents, Current	155	[1]	152	[1]
Deferred Costs and Other Assets [Member] | Trust for Benefit of Employees [Member]
Cash and Cash Equivalents [Line Items]
Restricted Cash and Cash Equivalents, Noncurrent	$ 2,969	[2]	$ 3,295	[2]

[1] Included in “Prepaid expenses and other current assets.”

[2] Included in “Deferred costs and other assets.”