Long-Term Debt Table (Details) (USD $)	6 Months Ended			0 Months Ended					3 Months Ended	0 Months Ended			3 Months Ended			3 Months Ended		0 Months Ended	3 Months Ended			3 Months Ended						3 Months Ended			0 Months Ended	3 Months Ended			3 Months Ended						3 Months Ended	0 Months Ended	3 Months Ended						1 Months Ended		0 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Dec. 31, 2011	Jun. 08, 2012 Line of Credit and Loan Payable [Member] Term Loan B and Revolving Credit Facility [Member]	Jun. 30, 2012 Line of Credit [Member] Revolving credit facility, due 2014 [Member]	Jun. 08, 2012 Line of Credit [Member] Revolving credit facility, due 2014 [Member]	Mar. 05, 2012 Line of Credit [Member] Revolving credit facility, due 2014 [Member]	Dec. 31, 2011 Line of Credit [Member] Revolving credit facility, due 2014 [Member]	Mar. 31, 2012 Line of Credit [Member] 2012 Refinancing (Revolving Credit Facility, 11.5% Senior Notes and 7% Senior Exchangeable Notes) [Member]	Jun. 08, 2012 Loans Payable [Member] Term Loan B, due 2016 [Member]	Mar. 09, 2012 Loans Payable [Member] Term Loan B, due 2016 [Member]	Feb. 14, 2012 Loans Payable [Member] Term Loan B, due 2016 [Member]	Mar. 31, 2012 Loans Payable [Member] Term Loan B, due 2016 [Member]	Jun. 30, 2012 Loans Payable [Member] Term Loan B, due 2016 [Member]	Dec. 31, 2011 Loans Payable [Member] Term Loan B, due 2016 [Member]	Mar. 26, 2012 Senior and Senior Subordinated Notes [Member] 7.875% and 8.375% senior subordinated notes and 10.5% senior notes [Member]	Mar. 31, 2012 Senior and Senior Subordinated Notes [Member] 7.875% and 8.375% senior subordinated notes and 10.5% senior notes [Member]	Jun. 08, 2012 Senior Subordinated Notes [Member] 7.875% senior subordinated notes, due 2013 [Member]	Jun. 30, 2012 Senior Subordinated Notes [Member] 7.875% senior subordinated notes, due 2013 [Member]	Mar. 26, 2012 Senior Subordinated Notes [Member] 7.875% senior subordinated notes, due 2013 [Member]	Dec. 31, 2011 Senior Subordinated Notes [Member] 7.875% senior subordinated notes, due 2013 [Member]	Mar. 26, 2012 Senior Subordinated Notes [Member] 8.375% senior subordinated notes, due 2014 [Member]	Jun. 30, 2012 Senior Subordinated Notes [Member] 8.375% senior subordinated notes, due 2014 [Member]	Dec. 31, 2011 Senior Subordinated Notes [Member] 8.375% senior subordinated notes, due 2014 [Member]	Jun. 30, 2012 Senior Subordinated Notes [Member] 8.875% senior second lien notes, due 2018 [Member]	Mar. 31, 2012 Senior Subordinated Notes [Member] 8.875% senior second lien notes, due 2018 [Member]	Dec. 31, 2011 Senior Subordinated Notes [Member] 8.875% senior second lien notes, due 2018 [Member]	Mar. 26, 2012 Senior Notes [Member] 10.5% senior notes, due 2016 [Member]	Jun. 30, 2012 Senior Notes [Member] 10.5% senior notes, due 2016 [Member]	Dec. 31, 2011 Senior Notes [Member] 10.5% senior notes, due 2016 [Member]	Mar. 28, 2012 Senior Notes [Member] 11.5% senior notes, due 2017 [Member]	Mar. 31, 2012 Senior Notes [Member] 11.5% senior notes, due 2017 [Member]	Jun. 30, 2012 Senior Notes [Member] 11.5% senior notes, due 2017 [Member]	Dec. 31, 2011 Senior Notes [Member] 11.5% senior notes, due 2017 [Member]	Mar. 31, 2012 Convertible Debt [Member] 7% senior exchangeable notes, due 2017 [Member]	Jun. 30, 2012 Convertible Debt [Member] 7% senior exchangeable notes, due 2017 [Member]	Mar. 28, 2012 Convertible Debt [Member] 7% senior exchangeable notes, due 2017 [Member]	Dec. 31, 2011 Convertible Debt [Member] 7% senior exchangeable notes, due 2017 [Member]	Jun. 30, 2012 Other debt including capital leases [Member]	Dec. 31, 2011 Other debt including capital leases [Member]	Mar. 31, 2012 Tender Offer [Member] Senior Subordinated Notes [Member] 7.875% senior subordinated notes, due 2013 [Member]	Mar. 31, 2012 Open Market Negociated Purchase [Member] Senior Subordinated Notes [Member] 7.875% senior subordinated notes, due 2013 [Member]	Jun. 30, 2012 Open Market Negociated Purchase [Member] Senior Subordinated Notes [Member] 7.875% senior subordinated notes, due 2013 [Member]	Mar. 26, 2012 Open Market Negociated Purchase [Member] Senior Subordinated Notes [Member] 7.875% senior subordinated notes, due 2013 [Member]	Mar. 26, 2012 Open Market Negociated Purchase [Member] Senior Subordinated Notes [Member] 8.375% senior subordinated notes, due 2014 [Member]	Mar. 26, 2012 Open Market Negociated Purchase [Member] Senior Notes [Member] 10.5% senior notes, due 2016 [Member]	Mar. 28, 2012 Maximum [Member] Senior Notes [Member] 11.5% senior notes, due 2017 [Member]	Mar. 28, 2012 Minimum [Member] Senior Notes [Member] 11.5% senior notes, due 2017 [Member]	Aug. 08, 2012 Repayment of Debt [Member] Senior Subordinated Notes [Member] 7.875% senior subordinated notes, due 2013 [Member]	Aug. 08, 2012 Repayment of Debt [Member] Open Market Negociated Purchase [Member] Senior Subordinated Notes [Member] 7.875% senior subordinated notes, due 2013 [Member]	Jun. 08, 2012 Fees Paid to Third Parties [Member] Line of Credit and Loan Payable [Member] Term Loan B and Revolving Credit Facility [Member]	Jun. 08, 2012 Fees Paid to Consenting Lenders [Member] Line of Credit and Loan Payable [Member] Term Loan B and Revolving Credit Facility [Member]	Jun. 08, 2012 LIBOR Interest Rate [Member] Line of Credit and Loan Payable [Member] Term Loan B and Revolving Credit Facility [Member]	Jun. 06, 2012 LIBOR Interest Rate [Member] Line of Credit and Loan Payable [Member] Term Loan B and Revolving Credit Facility [Member]	Jun. 08, 2012 PRIME Interest Rate [Member] Line of Credit and Loan Payable [Member] Term Loan B and Revolving Credit Facility [Member]	Jun. 06, 2012 PRIME Interest Rate [Member] Line of Credit and Loan Payable [Member] Term Loan B and Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 1,223,366,000		$ 1,246,343,000		$ 34,700,000			$ 0						$ 372,157,000	$ 353,033,000				$ 102,593,000		$ 284,878,000		$ 0	$ 25,424,000	$ 397,849,000		$ 397,704,000		$ 0	$ 170,000,000			$ 217,151,000	$ 0		$ 86,250,000		$ 0	$ 12,666,000	$ 15,304,000
Less current maturities	(13,261,000)		(8,809,000)
Long-term debt	1,210,105,000		1,237,534,000
Long-term Debt, Other Disclosures [Abstract]
Long-term Debt, Fair Value	1,100,000,000		1,100,000,000
Term Loan Add-On and Add-On Amendment [Abstract]
Proceeds from Issuance of Secured Debt										65,000,000
Line of Credit Facility, Maximum Borrowing Capacity						170,000,000	150,000,000
Debt Instrument, Original Borrowing Capacity Amount On Debt Transaction Date										380,000,000
Debt Instrument, Unamortized Discount										700,000																					8,300,000		7,800,000
Debt Instrument, Description																		Concurrently with the Term Loan Add-On, the Company amended the 2010 Credit Facilities (the “Add-On Amendment”) to allow for the repurchase of up to $135 million of its 7.875% senior subordinated notes due 2013 (the “7.875% Notes”), subject to maintaining certain liquidity thresholds and other customary conditions.
Payments of Debt Issuance Costs	32,335,000	0																														6,000,000			3,000,000																1,800,000	1,100,000
Payments of Debt Extinguishment Costs				2,000,000									1,700,000				9,600,000
Debt Instrument, Interest Rate, Stated Percentage																			7.875%				8.375%		8.875%				10.50%				11.50%			7.00%																	5.125%	4.75%	4.125%	3.75%
Debt Instrument, Covenant Description				The Add-On Amendment also delayed a step down in the maximum first lien leverage ratio covenant to 2.25x from 2.50x until the first quarter of 2013.
11.5% Senior Notes Issuance [Abstract]
Proceeds from issuance of 11.5% senior notes	225,000,000	0																													225,000,000
Redemption Price As Percentage Of Principal Amount																																															105.75%	100.00%
Redemption Percentage Permitted With Proceeds From Public Equity offering																															0.00%
Redemption Price Percentage If Proceeds From Public Equity Offering Are Used																															111.50%
Redemption Price Percentage If Make Whole Premium Is Paid																															100.00%
Redemption Price Percentage If There Was A Change Of Control																															101.00%
7% Senior Exchangeable Notes [Abstract]
Proceeds from issuance of 7% senior exchangeable notes	86,250,000	0																																	86,300,000
Redemption Price Percentage If A Fundamental Change Occurs																																					100.00%
Debt Instrument, Convertible, Conversion Ratio																																			241.5167
Debt Instrument, Face Amount																																					1,000
Debt Instrument, Convertible, Conversion Price																																					$ 4.14
Premium Debt Converted Into Shares of Company's Common Stock																																					22.50%
Common Stock Price Per Share																																			$ 3.38
2012 Refinancing [Abstract]
Debt extinguishment amount																																									45,000,000	73,400,000	50,000,000	13,800,000	2,000,000	5,000,000				4,100,000
Percentage Of Net Proceeds Used To Pay Down Debt													25.00%													75.00%
(Repayment) of Term Loan B due 2016		(1,900,000)									(34,700,000)	(9,500,000)
Extinguishment of Debt [Abstract]
Debt extinguishment, cost to retire																			49,500,000	12,200,000		1,600,000						4,900,000																					4,100,000
Gain on early extinguishment of debt																(2,100,000)			300,000
Write Off of Deferred Debt Issuance Costs, Related to Gain on Early Extinguishment of Debt																100,000			100,000
Loss On Early Extinguishment Of Debt									12,700,000
Write Off of Deferred Debt Issuance Costs, Related to Loss on Early Extinguishment of Debt																	$ 3,100,000