Subsequent Events Subsequent Events (Notes)	6 Months Ended
Jun. 30, 2013
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTS July 2013 Revolving Credit Facility with Credit Agricole On July 3, 2013, the Company entered into a revolving credit agreement with Credit Agricole, as administrative agent, and certain financial institutions, (the "July 2013 revolving credit facility") under which the Company may borrow up to $250.0 million until the earliest of: (i) July 3, 2016; (ii) December 31, 2014, if the Company has not repaid, exchanged or repurchased its outstanding 4.50% debentures due 2015 by September 30, 2014 and is not in compliance with certain liquidity requirements as of such date; and (iii) January 31, 2014, if the conditions precedent to the Restructuring (as defined below) have not been met or waived as of such date (the earliest of the above events, the "Maturity Date"). The July 2013 revolving credit facility allows the Company to request increases to the available capacity of the revolving credit facility to an aggregate of $300.0 million, subject to the satisfaction of certain conditions. The July 2013 revolving credit facility includes representations, covenants, and events of default customary for financing transactions of this type. On or about January 31, 2014 (the “Restructuring Date”), (i) the Company's obligations under the July 2013 revolving credit facility will become secured by a pledge of certain accounts receivable and inventory of the Company and certain of its subsidiaries, (ii) certain of the Company's subsidiaries will enter into guaranties of the July 2013 revolving credit facility, and (iii) Total S.A.'s guarantee of the Company's obligations under the July 2013 revolving credit facility will expire (collectively, the “Restructuring”). Amounts borrowed may be repaid and reborrowed until the Maturity Date. Prior to the Restructuring Date, the Company is required to pay interest on outstanding borrowings under the July 2013 revolving credit facility and fees of (a) with respect to any LIBOR rate loan, 0.60% plus the LIBOR rate divided by a percentage equal to one minus the stated maximum rate of all reserves required to be maintained against "Eurocurrency liabilities" as specified in Regulation D; (b) with respect to any alternative base rate loan, 0.25% plus the greater of (1) the prime rate, (2) the Federal funds rate plus 0.50%, and (3) the one month LIBOR rate plus 1%; (c) a commitment fee of 0.06% per annum on funds available for borrowing and not borrowed; and (d) an upfront fee of 0.20% of the Revolving Loan Commitment. Following the Restructuring Date, the Company will be required to pay interest on outstanding borrowings under the July 2013 revolving credit facility and fees of (a) with respect to any LIBOR rate loan, an amount ranging from 1.50% to 2.00% (depending on the Company's leverage ratio from time to time) plus the LIBOR rate divided by a percentage equal to one minus the stated maximum rate of all reserves required to be maintained against “Eurocurrency liabilities” as specified in Regulation D; (b) with respect to any alternate base rate loan, an amount ranging from 0.50% to 1.00% (depending on the Company's leverage ratio from time to time) plus the greater of (1) the prime rate, (2) the Federal Funds rate plus 0.50%, and (3) the one-month LIBOR rate plus 1%; and (c) a commitment fee ranging from0.25% to 0.35% (depending on the Company's leverage ratio from time to time) per annum on funds available for borrowing and not borrowed. The July 2013 revolving credit facility replaces the existing credit facility with Credit Agricole (the "September 2011 Credit Facility"), which was terminated on July 3, 2013. The July 2013 revolving credit facility was entered into in conjunction with the delivery by Total S.A. of a guarantee of the Company's obligations under the related facility. The Company is required to pay Total S.A. an annual guarantee fee of 2.75% of the outstanding amount under the July 2013 revolving credit facility. The issuance of the guarantee, together with the termination of the similar $275.0 million guaranty of the September 2011 Revolving Credit Facility, increases the capacity available under the Liquidity Support Facility by $25.0 million.

SUBSEQUENT EVENTS

July 2013 Revolving Credit Facility with Credit Agricole

On July 3, 2013, the Company entered into a revolving credit agreement with Credit Agricole, as administrative agent, and certain financial institutions, (the "July 2013 revolving credit facility") under which the Company may borrow up to $250.0 million until the earliest of: (i) July 3, 2016; (ii) December 31, 2014, if the Company has not repaid, exchanged or repurchased its outstanding 4.50% debentures due 2015 by September 30, 2014 and is not in compliance with certain liquidity requirements as of such date; and (iii) January 31, 2014, if the conditions precedent to the Restructuring (as defined below) have not been met or waived as of such date (the earliest of the above events, the "Maturity Date"). The July 2013 revolving credit facility allows the Company to request increases to the available capacity of the revolving credit facility to an aggregate of $300.0 million, subject to the satisfaction of certain conditions. The July 2013 revolving credit facility includes representations, covenants, and events of default customary for financing transactions of this type. On or about January 31, 2014 (the “Restructuring Date”), (i) the Company's obligations under the July 2013 revolving credit facility will become secured by a pledge of certain accounts receivable and inventory of the Company and certain of its subsidiaries, (ii) certain of the Company's subsidiaries will enter into guaranties of the July 2013 revolving credit facility, and (iii) Total S.A.'s guarantee of the Company's obligations under the July 2013 revolving credit facility will expire (collectively, the “Restructuring”). Amounts borrowed may be repaid and reborrowed until the Maturity Date.

Prior to the Restructuring Date, the Company is required to pay interest on outstanding borrowings under the July 2013 revolving credit facility and fees of (a) with respect to any LIBOR rate loan, 0.60% plus the LIBOR rate divided by a percentage equal to one minus the stated maximum rate of all reserves required to be maintained against "Eurocurrency liabilities" as specified in Regulation D; (b) with respect to any alternative base rate loan, 0.25% plus the greater of (1) the prime rate, (2) the Federal funds rate plus 0.50%, and (3) the one month LIBOR rate plus 1%; (c) a commitment fee of 0.06% per annum on funds available for borrowing and not borrowed; and (d) an upfront fee of 0.20% of the Revolving Loan Commitment.

Following the Restructuring Date, the Company will be required to pay interest on outstanding borrowings under the July 2013 revolving credit facility and fees of (a) with respect to any LIBOR rate loan, an amount ranging from 1.50% to 2.00% (depending on the Company's leverage ratio from time to time) plus the LIBOR rate divided by a percentage equal to one minus the stated maximum rate of all reserves required to be maintained against “Eurocurrency liabilities” as specified in Regulation D; (b) with respect to any alternate base rate loan, an amount ranging from 0.50% to 1.00% (depending on the Company's leverage ratio from time to time) plus the greater of (1) the prime rate, (2) the Federal Funds rate plus 0.50%, and (3) the one-month LIBOR rate plus 1%; and (c) a commitment fee ranging from0.25% to 0.35% (depending on the Company's leverage ratio from time to time) per annum on funds available for borrowing and not borrowed.

The July 2013 revolving credit facility replaces the existing credit facility with Credit Agricole (the "September 2011 Credit Facility"), which was terminated on July 3, 2013. The July 2013 revolving credit facility was entered into in conjunction with the delivery by Total S.A. of a guarantee of the Company's obligations under the related facility. The Company is required to pay Total S.A. an annual guarantee fee of 2.75% of the outstanding amount under the July 2013 revolving credit facility. The issuance of the guarantee, together with the termination of the similar $275.0 million guaranty of the September 2011 Revolving Credit Facility, increases the capacity available under the Liquidity Support Facility by $25.0 million.