(20) Investment Income (Expense), Net (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 01, 2012	Jan. 02, 2011	Jan. 03, 2010
Component of Other Income, Nonoperating [Line Items]
Investment income (expense), net	$ 484	$ 5,259	$ (3,092)
Interest Income [Member]
Component of Other Income, Nonoperating [Line Items]
Investment income (expense), net	8	12	165
Distributions, Including Dividends [Member]
Component of Other Income, Nonoperating [Line Items]
Investment income (expense), net	234	248	205
Gain on DFR Notes [Member]
Component of Other Income, Nonoperating [Line Items]
Investment income (expense), net	0	4,909	0
Realized Gain (Loss) on Sale of Investments [Member]
Component of Other Income, Nonoperating [Line Items]
Investment income (expense), net	250	179	2,948
Early Withdrawal Fee, Equities Account [Member]
Component of Other Income, Nonoperating [Line Items]
Investment income (expense), net	0	0	(5,500)
Other Income (Expense), Net [Member]
Component of Other Income, Nonoperating [Line Items]
Investment income (expense), net	$ (8)	$ (89)	$ (910)