Income Taxes (Deferred Tax Valluation Allowances) (Details 6) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Jan. 02, 2011
Valuation Allowance [Line Items]
Balance at Begining of Period	$ 50,225	$ 70,181	$ 106,781
Additions Charged to Costs and Expenses	70,693	73,195	150,104
Deductions	(85,456)	(93,151)	(186,704)
Balance at End of Period	35,462	50,225	70,181
Deferred Tax Valuation Allowance [Member]
Valuation Allowance [Line Items]
Balance at Begining of Period	59,179	41,359	26,239
Additions Charged to Costs and Expenses	18,930	17,820	16,777
Deductions	0	0	(1,657)
Balance at End of Period	$ 78,109	$ 59,179	$ 41,359