Net Income (Loss) Per Share of Common Stock - Anti-Dilutive Securities (Details) (USD $)	12 Months Ended												1 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Jan. 02, 2011	Dec. 30, 2012 Stock Options [Member]	Jan. 01, 2012 Stock Options [Member]	Jan. 02, 2011 Stock Options [Member]	Dec. 30, 2012 Restricted stock units [Member]	Jan. 01, 2012 Restricted stock units [Member]	Jan. 02, 2011 Restricted stock units [Member]	Dec. 30, 2012 4.75% Debentures [Member]	Jan. 01, 2012 4.75% Debentures [Member]	Dec. 30, 2012 Warrant [Member] Warrants (under the CSO2015) [Member]	Feb. 28, 2012 Total [Member]	Jan. 01, 2012 Maximum [Member] Warrant [Member] Warrants (under the CSO2015) [Member]	Jan. 01, 2012 Minimum [Member] Warrant [Member] Warrants (under the CSO2015) [Member]
Dilutive and Antidilutive Securities Includied or Excluded from Computation of Earnings Per Share [Line Items]
Incremental Common Shares Attributable to Conversion of Debt Securities	0	0	8,712,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights												11,100,000
Class of Warrant or Right, Exercise Price of Warrants or Rights														27.03	24.00
Liquidity Support Facility, Warrant Issued, Number of Common Stock Shares													9,531,677
Liquidity Support Facility, Warrant Issued, Exercise Price Per Share													$ 7.8685
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount				320,000	425,000	309,000	4,435,000	4,943,000	2,803,000	8,712,000	8,712,000