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Borrowings - Additional Information (Detail)
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3 Months Ended | 12 Months Ended | 1 Months Ended | 3 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | 3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2013
USD ($)
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Mar. 31, 2012
USD ($)
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Dec. 31, 2012
USD ($)
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Dec. 02, 2009
9.125% Senior Secured Notes Due 2016
USD ($)
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Dec. 09, 2010
8.875% Senior Secured Notes Due 2016
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Dec. 02, 2009
8.875% Senior Secured Notes Due 2016
EUR (€)
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Dec. 09, 2010
Additional Debt
USD ($)
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Dec. 09, 2010
Additional Debt
EUR (€)
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Mar. 31, 2008
Convertible Senior Notes Due 2013
USD ($)
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Mar. 07, 2008
Convertible Senior Notes Due 2013
USD ($)
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Mar. 31, 2013
Convertible Senior Notes Due 2013
USD ($)
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Mar. 31, 2012
Convertible Senior Notes Due 2013
USD ($)
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Dec. 31, 2012
Convertible Senior Notes Due 2013
USD ($)
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Mar. 31, 2013
Convertible Note
USD ($)
Tranche
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Mar. 31, 2013
Senior Notes due March 18, 2013 (New Debt)
USD ($)
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Dec. 31, 2012
Senior Notes due March 18, 2013 (New Debt)
USD ($)
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Mar. 31, 2013
Senior Notes due March 18, 2013 (New Debt)
Roust Trading Limited
USD ($)
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Mar. 31, 2013
RTL Credit Facility
USD ($)
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Mar. 31, 2013
RTL Credit Facility
Roust Trading Limited
USD ($)
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Mar. 01, 2013
RTL Credit Facility
Roust Trading Limited
USD ($)
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Mar. 31, 2013
RTL Credit Facility
Term Loan
Roust Trading Limited
USD ($)
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Jan. 04, 2010
Senior Secured Notes due 2016
USD ($)
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Jan. 04, 2010
Senior Secured Notes due 2016
EUR (€)
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Dec. 09, 2010
Senior Secured Notes due 2016
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Dec. 02, 2009
Senior Secured Notes due 2016
8.875% Senior Secured Notes Due 2016
USD ($)
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Mar. 31, 2013
Overdraft Facility
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Aug. 02, 2012
Overdraft Facility
USD ($)
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Aug. 02, 2012
Overdraft Facility
HUF
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Mar. 31, 2013
Russian Standard Bank
USD ($)
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Mar. 31, 2013
Russian Standard Bank
Loan Agreement
USD ($)
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Mar. 31, 2013
Russian Standard Bank
Loan Agreement
RUB
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Mar. 31, 2013
Alfa Bank
Tranche
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Jul. 31, 2008
Alfa Bank
Loan Agreement
USD ($)
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Jul. 31, 2008
Alfa Bank
Loan Agreement
EUR (€)
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Mar. 31, 2013
Alfa Bank
Loan Agreement
USD ($)
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Mar. 31, 2013
Alfa Bank
Loan Agreement
RUB
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Mar. 31, 2013
Alfa Bank
Loan Agreement
EUR (€)
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Mar. 31, 2013
Alfa Bank
Loan Agreement
Minimum
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Mar. 31, 2013
Alfa Bank
Loan Agreement
Maximum
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Mar. 31, 2013
Zenit Bank, Alfa Bank And Raiffeisen Bank
USD ($)
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Mar. 31, 2013
Zenit Bank, Alfa Bank And Raiffeisen Bank
EUR (€)
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Mar. 31, 2013
Zenit Bank
Tranche
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Aug. 31, 2012
Zenit Bank
Loan Agreement
USD ($)
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Aug. 31, 2012
Zenit Bank
Loan Agreement
EUR (€)
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Mar. 31, 2013
Zenit Bank
Loan Agreement
USD ($)
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Mar. 31, 2013
Zenit Bank
Loan Agreement
EUR (€)
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Mar. 31, 2013
Zenit Bank
Loan Agreement
Minimum
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Mar. 31, 2013
Zenit Bank
Loan Agreement
Maximum
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Oct. 30, 2012
Raiffeisen Bank
Loan Agreement
USD ($)
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Oct. 30, 2012
Raiffeisen Bank
Loan Agreement
EUR (€)
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Mar. 31, 2013
Raiffeisen Bank
Loan Agreement
USD ($)
Tranche
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Mar. 31, 2013
Raiffeisen Bank
Loan Agreement
EUR (€)
Tranche
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Mar. 31, 2013
Unicredit And JSC Grand Invest Bank
Loan Agreement
USD ($)
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Mar. 31, 2013
Unicredit And JSC Grand Invest Bank
Loan Agreement
RUB
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Mar. 31, 2013
JSC Grand Invest Bank
Loan Agreement
Term Loan One
USD ($)
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Mar. 31, 2013
JSC Grand Invest Bank
Loan Agreement
Term Loan One
RUB
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Mar. 31, 2013
JSC Grand Invest Bank
Loan Agreement
Term Loan Two
USD ($)
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Mar. 31, 2013
JSC Grand Invest Bank
Loan Agreement
Term Loan Two
RUB
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Mar. 31, 2013
Sberbank
Loan Agreement
USD ($)
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Mar. 31, 2013
Sberbank
Loan Agreement
RUB
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Mar. 31, 2013
Moscow Credit Bank
Loan Agreement
USD ($)
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Mar. 31, 2013
Moscow Credit Bank
Loan Agreement
RUB
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Mar. 31, 2013
Credit Facility
Roust Trading Limited
USD ($)
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| Line of Credit Facility [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Outstanding liability | $ 20,000,000 | $ 50,800,000 | $ 24,400,000 | € 19,000,000 | $ 39,000,000 | € 30,400,000 | $ 8,200,000 | € 6,400,000 | $ 6,400,000 | € 5,000,000 | $ 40,300,000 | 1,251,000,000 | $ 3,500,000 | 110,000,000 | $ 4,900,000 | 150,000,000 | $ 16,800,000 | 520,000,000 | |||||||||||||||||||||||||||||||||||||||||||||
| Initiation date | August 2, 2012 | February 27, 2013 | February 27, 2013 | July 22, 2008 | July 22, 2008 | August 16, 2012 | August 16, 2012 | October 26, 2012 | October 26, 2012 | November 25, 2011 | November 25, 2011 | December 19, 2012 | December 19, 2012 | November 23, 2012 | November 23, 2012 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Maturity date | March 15, 2013 | August 1, 2013 | February 27, 2014 | February 27, 2014 | October 18, 2014 | October 18, 2014 | April 25, 2014 | April 25, 2014 | September 30, 2013 | September 30, 2013 | November 23, 2013 | November 23, 2013 | November 22, 2013 | November 22, 2013 | November 22, 2013 | November 22, 2013 | |||||||||||||||||||||||||||||||||||||||||||||||
| Maximum borrowing capacity | 2,100,000 | 500,000,000 | 15,100,000 | 15,100,000 | 465,000,000 | 25,600,000 | 20,000,000 | 12,800,000 | 10,000,000 | 6,400,000 | 5,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loan agreement, number of tranches | 6 | 16 | 3 | 4 | 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Date of tranches release, start date | October 12, 2012 | October 12, 2012 | January 28, 2013 | January 28, 2013 | October 29, 2012 | October 29, 2012 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Date of tranches release, end date | February 28, 2013 | February 28, 2013 | March 11, 2013 | March 11, 2013 | November 20, 2012 | November 20, 2012 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Repayable date | April 12,2013 | October 28, 2013 | October 25, 2013 | March 7, 2014 | September 30, 2013 | September 30, 2013 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Outstanding liability including accrued interest | 469,700,000 | 521,400,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Term loan facility utilized portion | 1,500,000 | 350,100,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Interest expense related party | 904,000 | 0 | 800,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loan agreement repaid | 729,300,000 | 590,900,000 | 23,300,000 | 724,000,000 | 29,000,000 | 900,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt instrument issuance amount | 50,000,000 | 0 | 380,000,000 | 380,000,000 | 64,100,000 | 50,000,000 | 310,000,000 | 70,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 487,100,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Interest rate percentage on issued debt | 9.125% | 8.875% | 9.125% | 3.00% | 3.00% | 3.00% | 8.875% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Year of maturity of debt | 2013 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Initial conversion rate shares | 14.7113 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Principal amount of initial conversion rate | 1,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Repurchased amount of convertible notes | 52,100,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Principal amount of convertible notes | 50,200,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt defaulted, principal amount | 257,900,000 | 20,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt defaulted, accrued interest | 4,200,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt defaulted, fair value | 58,000,000 | 138,100,000 | 21,100,000 | 70,400,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Liability component of convertible senior Notes | 257,858,000 | 256,922,000 | 290,300,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity component of convertible senior Notes | 19,700,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Discount rate used to calculate present value | 4.50% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity component recorded as additional paid-in capital | 12,800,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deferred income taxes | 719,000 | 1,488,000 | 6,900,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pre tax non-cash interest expense recognized in consolidated statement of operations and comprehensive income | 800,000 | 1,100,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated amortization related to the debt discount | 19,700,000 | 18,900,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Redemption of senior secured notes | 314,600,000 | 245,400,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt instrument maturity year | 2016 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accrued interest | 27,900,000 | 7,100,000 | 800,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Common stock to be purchased, price per share | $ 5.25 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt instrument maturity date | Mar. 18, 2013 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Common stock to be purchased, shares | 13,300,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Common stock price per share for interest payable on debt security | $ 3.44 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accrued Interest Payments On Notes | 1,100,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated unamortized debt discount | $ 12,700,000 | $ 13,600,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||