Valuation and Qualifying Accounts and Reserves (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012		Dec. 31, 2011		Jan. 01, 2011
Movement in Valuation Allowances and Reserves [Roll Forward]
Charged to (Credited to) Costs and Expenses	$ 215		$ (6,596)
Allowance for Doubtful Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	0		7,604		23,744
Charged to (Credited to) Costs and Expenses	215		(6,596)		(17,098)
Charged to Other Accounts	0	[1]	0	[1]	428	[1]
Uncollectible Accounts Written Off, Net	(130)		(1,008)		530
Balance at End of Period	$ 85		$ 0		$ 7,604

[1] Bad debt allowance from acquisitions.