Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2016

Fair Value Disclosures [Abstract]

Financial Assets And Liabilities Carried At Fair Value

A summary of financial assets and liabilities that are measured at fair value on a recurring basis were as follows ($ in millions):

	Quoted Prices in Active Market (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
September 30, 2016:
Assets:
Available-for-sale securities	$	105.8	$	55.0	$	—	$	160.8
Liabilities:
Deferred compensation plans	—		51.9		—		51.9
December 31, 2015:
Assets:
Available-for-sale securities	$	342.3	$	59.1	$	—	$	401.4
Liabilities:
Deferred compensation plans	—		55.5		—		55.5

Carrying Amounts And Fair Values Of Financial Instruments

The carrying amounts and fair values of the Company’s financial instruments were as follows ($ in millions):

	September 30, 2016				December 31, 2015
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Available-for-sale securities	$	160.8	$	160.8	$	401.4	$	401.4
Liabilities:
Notes payable and current portion of long-term debt	809.1		809.1		845.2		845.2
Long-term debt	7,503.1		8,098.9		12,025.2		12,471.4