星空传媒 Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Fair Value Of Financial Instruments (Schedule Of Quantitative Inputs And Assumptions For Level 3 Assets And Liabilities) (Detail)

Fair Value Of Financial Instruments (Schedule Of Quantitative Inputs And Assumptions For Level 3 Assets And Liabilities) (Detail) (USD $)	9 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2010
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Derivative asset, fair value	$ 79,400,000	听	$ 165,900,000	听	听	听
Derivative liability, fair value	13,000,000	听	23,000,000	听	听	听
Fair Value of derivative assets	55,900,000	83,900,000	157,900,000	67,800,000	64,000,000	45,600,000
Fair Value of derivative liabilities	11,700,000	15,800,000	19,500,000	0	0	0
Management Estimate of 62% Fe	62.00%	听	听	听	听	听
Debt Instrument, Basis Spread on Variable Rate	3.50%	听	听	听	听	听
Accounts Receivable [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Derivative asset, fair value	听	听	83,800,000	听	听	听
Managements Estimate Of 62% Fee [Member] \| Market Approach [Member] \| Provisional Pricing Arrangements [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Fair value measurement with unobservable inputs derivative asset range	125	听	听	听	听	听
Managements Estimate Of 62% Fee [Member] \| Market Approach [Member] \| Provisional Pricing Arrangements [Member] \| Minimum [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Fair value measurement with unobservable inputs derivative asset range	105	听	听	听	听	听
Managements Estimate Of 62% Fee [Member] \| Market Approach [Member] \| Provisional Pricing Arrangements [Member] \| Maximum [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Fair value measurement with unobservable inputs derivative asset range	115	听	听	听	听	听
Hot-Rolled Steel Estimate [Member] \| Market Approach [Member] \| Customer Supply Agreement [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Fair value measurement with unobservable inputs derivative asset range	665	听	听	听	听	听
Hot-Rolled Steel Estimate [Member] \| Market Approach [Member] \| Customer Supply Agreement [Member] \| Minimum [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Fair value measurement with unobservable inputs derivative asset range	635	听	听	听	听	听
Hot-Rolled Steel Estimate [Member] \| Market Approach [Member] \| Customer Supply Agreement [Member] \| Maximum [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Fair value measurement with unobservable inputs derivative asset range	695	听	听	听	听	听
Not Designated as Hedging Instrument [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Derivative asset, fair value	57,000,000	听	160,700,000	听	听	听
Derivative liability, fair value	11,700,000	听	19,500,000	听	听	听
Not Designated as Hedging Instrument [Member] \| Provisional Pricing Arrangements [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Derivative asset, fair value	听听	听	听	听	听	听
Derivative liability, fair value	听听	听	听听	听	听	听
Not Designated as Hedging Instrument [Member] \| Provisional Pricing Arrangements [Member] \| Derivative Financial Instruments Current Assets [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Derivative asset, fair value	听	听	1,200,000	听	听	听
Not Designated as Hedging Instrument [Member] \| Provisional Pricing Arrangements [Member] \| Accounts Receivable [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Derivative asset, fair value	听	听	83,800,000	听	听	听
Not Designated as Hedging Instrument [Member] \| Provisional Pricing Arrangements [Member] \| Other Current Liabilities [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Derivative liability, fair value	11,700,000	听	19,500,000	听	听	听
Not Designated as Hedging Instrument [Member] \| Provisional Pricing Arrangements [Member] \| Managements Estimate Of 62% Fee [Member] \| Market Approach [Member] \| Provisional Pricing Arrangements [Member] \| Derivative Financial Instruments Current Assets [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Derivative asset, fair value	1,400,000	听	听	听	听	听
Not Designated as Hedging Instrument [Member] \| Customer Contracts [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Derivative liability, fair value	听听	听	听听	听	听	听
Not Designated as Hedging Instrument [Member] \| Customer Contracts [Member] \| Derivative Financial Instruments Current Assets [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Derivative asset, fair value	听	听	72,900,000	听	听	听
Not Designated as Hedging Instrument [Member] \| Customer Contracts [Member] \| Hot-Rolled Steel Estimate [Member] \| Market Approach [Member] \| Customer Contracts [Member] \| Derivative Financial Instruments Current Assets [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Derivative asset, fair value	54,500,000	听	听	听	听	听
Empire [Member]	听	听	听	听	听	听
Fair Value, Assets And Liabilities Measured On Unobservable Inputs [Line Items]	听	听	听	听	听	听
Accounts, Notes, Loans and Financing Receivable, Net, Noncurrent	$ 10,000,000	听	$ 10,000,000	听	听	听

- Definition

Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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- Definition

Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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- Definition

An amount representing an agreement for an unconditional promise by the maker to pay the Company (holder) a definite sum of money within one year from the balance sheet date (or the normal operating cycle, whichever is longer), net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

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