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Fair Value Measurements (Table)

9 Months Ended

Sep. 30, 2011

		September 30,				December 31,
		2011				2010
		Book Value		Fair Value		Book Value		Fair Value
(Dollars in thousands)
Cash and cash equivalents		$	599,545	$	599,545	$	368,134	$	368,134
Short-term investments (1)(2)
	Certificates of deposit		53,584		53,584		97,270		97,270
	Government-backed securities (3)		196,232		196,232		305,612		305,612
Long-term investments (1)(4)
	Government-backed securities (3)		85,676		86,058		102,185		102,325
Long-term debt (5)			1,523,936		1,516,835		1,495,461		1,482,181

Designated as held-to-maturity investments and recorded at amortized cost in the Consolidated Balance Sheet.
Maturities are less than twelve months from the respective balance sheet dates.
Includes U.S. treasuries and corporate notes guaranteed under the Federal Deposit Insurance Corporation's Temporary Liquidity Guarantee Program.
At September 30, 2011, maturities range between 13 and 23 months.
Excludes capital lease obligations and current portion of Long-term debt.

- Definition

Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details