Long-Term Debt and Other Borrowing Arrangements (Details 1)	12 Months Ended
	Dec. 31, 2011
Senior Subordinated notes due 2017 [Member]
Debt Instrument [Line Items]
Redemption price as a percentage of the face amount of the notes in year one	103.50%
Redemption price as a percentage of the face amount of the notes in year two	102.333%
Redemption price as a percentage of the face amount of the notes in year three	101.167%
Redemption price as a percentage of the face amount of the notes in year four and thereafter	100.00%
Senior Subordinated notes due 2019 [Member]
Debt Instrument [Line Items]
Redemption price as a percentage of the face amount of the notes in year one	104.625%
Redemption price as a percentage of the face amount of the notes in year two	103.083%
Redemption price as a percentage of the face amount of the notes in year three	101.542%
Redemption price as a percentage of the face amount of the notes in year four and thereafter	100.00%