Investments In Marketable Debt Securities (Tables)

12 Months Ended

Dec. 31, 2013

Marketable Debt Securities

Marketable debt securities consisted of the following at December 31:

2013	AMORTIZED COST		UNREALIZED GAINS		UNREALIZED LOSSES		FAIR VALUE
U.S. tax-exempt securities	$	214.9	$	1.2			$	216.1
U.S. corporate securities		78.2		.1	$	.1		78.2
U.S. government and agency securities		5.5						5.5
Non-U.S. corporate securities		608.5		1.2		.4		609.3
Non-U.S. government securities		217.3		.7		.5		217.5
Other debt securities		140.5		.4				140.9
	$	1,264.9	$	3.6	$	1.0	$	1,267.5
2012	AMORTIZED COST		UNREALIZED GAINS		UNREALIZED LOSSES		FAIR VALUE
U.S. tax-exempt securities	$	217.2	$	1.5	$	.1	$	218.6
U.S. corporate securities		59.8		.3				60.1
U.S. government and agency securities		.8						.8
Non-U.S. corporate securities		447.5		1.4		.2		448.7
Non-U.S. government securities		349.3		5.8		.1		355.0
Other debt securities		108.9		.6				109.5
	$	1,183.5	$	9.6	$	.4	$	1,192.7

Marketable Debt Securities Continuous Unrealized Losses

Marketable debt securities with continuous unrealized losses and their related fair values were as follows:

At December 31,	2013				2012
	LESS THAN TWELVE MONTHS		TWELVE MONTHS OR GREATER		LESS THAN TWELVE MONTHS		TWELVE MONTHS OR GREATER
Fair value	$	388.3	$	28.4	$	291.0
Unrealized losses		.9		.1		.4

Contractual Maturities of Debt Securities

Contractual maturities at December 31, 2013 were as follows:

Maturities:	AMORTIZED COST		FAIR VALUE
Within one year	$	534.7	$	535.5
One to five years		729.9		731.6
Six to ten years		.3		.4
	$	1,264.9	$	1,267.5