Long-Term Debt (7% Senior Exchangeable Notes) (Details) (USD $)	12 Months Ended			0 Months Ended	12 Months Ended		12 Months Ended	0 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011	Mar. 28, 2012 Convertible Debt [Member] 7% senior exchangeable notes, due 2017 [Member]	Dec. 28, 2013 Convertible Debt [Member] 7% senior exchangeable notes, due 2017 [Member]	Mar. 22, 2012 Convertible Debt [Member] 7% senior exchangeable notes, due 2017 [Member]	Dec. 29, 2012 Senior Subordinated Notes [Member] 7.875% senior subordinated notes, due 2013 [Member]	Mar. 28, 2012 Senior Notes [Member] 11.5% senior notes, due 2017 [Member]	Mar. 28, 2012 Tender Offer [Member] Senior Subordinated Notes [Member] 7.875% senior subordinated notes, due 2013 [Member]	Mar. 28, 2012 Open Market Negociated Purchase [Member] Senior Subordinated Notes [Member] 7.875% senior subordinated notes, due 2013 [Member]
Debt Instrument [Line Items]
Proceeds from issuance of 7% senior exchangeable notes	$ 0	$ 86,250,000	$ 0	$ 86,300,000
Redemption price percentage if a fundamental change occurs (percent)					100.00%
Debt conversion ratio					241.5167
Debt instrument, face amount					1,000
Debt conversion price (dollars per share)						$ 4.14
Premium debt converted into shares of company's common stock (percent)						22.50%
Common stock price per share (dollars per share)						$ 3.38
Debt extinguishment amount							98,600,000		45,000,000	73,000,000
Payments of debt issuance costs	$ 15,570,000	$ 37,836,000	$ 2,675,000	$ 3,000,000				$ 6,000,000