FAIR VALUE OF FINANCIAL INSTRUMENTS (TABLES)

9 Months Ended

Sep. 30, 2011

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping [Table Text Block]

September 30, 2011 are as follows (in millions):

	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	33.6	$	33.9	$	—	$	67.5
Marketable securities	160.0		1,038.3		—		1,198.3
Total	$	193.6	$	1,072.2	$	—	$	1,265.8

Available-for-sale Securities [Table Text Block]

Marketable securities consisted of the following (in millions):  

	September 30, 2011		December 31, 2010
Amortized Cost:
U.S. government securities	$	393.1	$	514.8
Asset-backed obligations	219.2		176.8
Other corporate obligations	575.9		414.2
	$	1,188.2	$	1,105.8
Fair value:
U.S. government securities	$	397.7	$	518.5
Asset-backed obligations	219.7		176.7
Other corporate obligations	580.9		423.5
	$	1,198.3	$	1,118.7

Available for Sale Securities Gross Unrealized Gains and Losses [Table Text Block]

Gross unrealized gains and losses at September 30, 2011 are presented in the table below (in millions): 

			Unrealized Losses
	Unrealized Gains in AOCL		Less than 12 months			Greater than 12 months			Total Unrealized Losses			Less: Credit Loss Previously Recorded in Earnings			Net Unrealized Losses in AOCL			Net Unrealized Gains/(Losses) in AOCL		Fair Value of Securities with Unrealized Losses
U.S. Government Securities	$	4.8	$	(0.2	)	$	—		$	(0.2	)	$	—		$	(0.2	)	$	4.6	$	63.1
Asset-backed obligations	1.3		(0.5		)	(4.0		)	(4.5		)	(3.7		)	(0.8		)	0.5		89.5
Other corporate obligations	7.3		(2.3		)	—			(2.3		)	—			(2.3		)	5.0		197.8
Total	$	13.4	$	(3.0	)	$	(4.0	)	$	(7.0	)	$	(3.7	)	$	(3.3	)	$	10.1	$	350.4

Fair Value of Long Term Debt [Table Text Block]

The estimated fair value of the Company’s long-term debt was as follows (in millions):

	Carrying Amount		Fair Value
Long-term debt at September 30, 2011	$	1,392.4	$	1,426.6
Long-term debt at December 31, 2010	$	1,534.2	$	1,531.0