Financial Instruments and Fair Value Disclosures (Tables)

12 Months Ended

Dec. 31, 2012

Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis

Certain of our assets and liabilities are required to be measured at fair value on a recurring basis in accordance with GAAP. Assets and liabilities measured at fair value are summarized below:

	December 31, 2012
	Fair Value Measurements Using										Total Losses
	Level 1		Level 2			Level 3		Assets at Fair Value			for Year Ended
	(In thousands)
Recurring fair value measurements:
Assets:
Short-term investments	$	1,434,751	$	--		$	--	$	1,434,751		$	--
FOREX contracts		--		3,627			--		3,627			--
Mortgage-backed securities		--		301			--		301			--
Total assets	$	1,434,751	$	3,928		$	--	$	1,438,679		$	--
Liabilities:
FOREX contracts	$	--	$	(29	)	$	--	$	(29	)	$	--
Nonrecurring fair value measurements:
Assets:
Assets held for sale	$	--	$	--		$	3,900	$	3,900		$	(62,437)
	December 31, 2011
	Fair Value Measurements Using										Total Losses
	Level 1		Level 2			Level 3		Assets at Fair Value			for Year Ended
	(In thousands)
Recurring fair value measurements:
Assets:
Short-term investments	$	1,205,925	$	--		$	--	$	1,205,925		$	--
FOREX contracts		--		1,262			--		1,262			--
Mortgage-backed securities		--		431			--		431			--
Total assets	$	1,205,925	$	1,693		$	--	$	1,207,618		$	--
Liabilities:
FOREX contracts	$	--	$	(8,454	)	$	--	$	(8,454	)	$	--

Fair Values and Related Carrying Values of Our Debt Instruments

Fair values and related carrying values of our long-term debt instruments are shown below.

	December 31, 2012				December 31, 2011
	Fair Value		Carrying Value		Fair Value		Carrying Value
	(In millions)
4.875% Senior Notes	$	275.5	$	249.8	$	272.9	$	249.8
5.15% Senior Notes		269.0		249.9		272.7		249.8
5.70% Senior Notes		641.4		496.9		555.0		496.8
5.875% Senior Notes		617.1		499.5		575.4		499.4