Financial Instruments

6 Months Ended

Jun. 30, 2011

NOTE 15. FINANCIAL INSTRUMENTS

We do not hold or issue financial instruments for trading purposes. The estimated fair values of our financial instruments are as follows:


	June 30, 2011						December 31, 2010
	Carrying			Estimated			Carrying			Estimated
	amount			Fair Value			amount			Fair Value
Liabilities, net:
Total debt, including current portion	$	(846.3	)	$	(843.2	)	$	(874.9	)	$	(882.8	)
Foreign currency contract obligations		(2.4	)		(2.4	)		(7.0	)		(7.0	)
Natural gas contracts		(3.0	)		(3.0	)		(5.5	)		(5.5	)
Interest rate swap contracts		(6.7	)		(6.7	)		—			—

The carrying amounts of cash and cash equivalents of $304.6 million at June 30, 2011 (made up of bank deposits), receivables, accounts payable and accrued expenses, short-term debt and current installments of long-term debt approximate fair value because of the short-term maturity of these instruments. The fair value estimates of long-term debt were based upon quotes from a major financial institution of recently observed trading levels of our Term Loan B debt. The fair value estimates of foreign currency contract obligations are estimated from market quotes provided by a well recognized national market data provider. The fair value estimates of natural gas contracts are estimated using internal valuation models with verification by obtaining quotes from major financial institutions. For swap transactions, fair value is calculated using NYMEX market quotes provided by a well recognized national market data provider. For option based strategies, fair value is calculated using an industry standard Black-Scholes model with market based inputs, including but not limited to, underlying asset price, strike price, implied volatility, discounted risk free rate and time to expiration, provided by a well recognized national market data provider. The fair value estimates for interest rate swap contracts are estimated by obtaining quotes from major financial institutions with verification by internal valuation models.

As of June 30, 2011 we also have $26.4 million of restricted cash that is held by a trustee related to the construction of our West Virginia mineral wool plant. The trustee has invested the cash in money market investments. The carrying value on our balance sheet approximates the fair value because of the short-term maturity of the instruments.

Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants at the measurement date. U.S. GAAP establishes a three-level fair value hierarchy that prioritizes the inputs used to measure fair value. The three levels of inputs used to measure fair value are as follows:

Level 1 — Quoted prices in active markets for identical assets or liabilities.

Level 2 — Observable inputs other than quoted prices included in Level 1, such as quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar assets and liabilities in markets that are not active; or other inputs that are observable or can be corroborated by observable market data.

Level 3 — Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. This includes certain pricing models, discounted cash flow methodologies and similar techniques that use significant unobservable inputs.

Liabilities measured at fair value on a recurring basis are summarized below:


	June 30, 2011						December 31, 2010
	Fair value based on						Fair value based on
	Quoted,			Other			Quoted,			Other
	active			observable			active			observable
	markets			inputs			markets			inputs
	Level 1			Level 2			Level 1			Level 2
Liabilities, net:
Foreign currency contract obligations	$	(2.4	)		—		$	(7.0	)		—
Natural gas contracts		—		$	(3.0	)		—		$	(5.5	)
Interest rate swap contracts		—			(6.7	)		—			—

We do not have any financial assets or liabilities that are valued using Level 3 (unobservable) inputs.

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

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