Fair Value Measurements (Tables)

6 Months Ended

Dec. 31, 2012

Fair Value Measurements

Schedule of fair value of assets and liabilities measured on a recurring basis

December 31, 2012	Fair Value Measurements Using Input Type
($ in millions)	Level 1		Level 2		Total
Assets:
Marketable securities
Municipal auction rate securities	$	-	$	5.1	$	5.1
Derivative financial instruments	-		0.2		0.2
Total assets	$	-	$	5.3	$	5.3
Liabilities:
Derivative financial instruments	$	-	$	46.6	$	46.6

June 30, 2012	Fair Value Measurements Using Input Type
($ in millions)	Level 1		Level 2		Total
Assets:
Marketable securities
Municipal auction rate securities	$	-	$	5.0	$	5.0
Derivative financial instruments	-		2.6		2.6
Total assets	$	-	$	7.6	$	7.6
Liabilities:
Derivative financial instruments	$	-	$	56.5	$	56.5

Schedule of carrying amounts and estimated fair values of financial instruments not recorded at fair value in the financial statements

	December 31, 2012				June 30, 2012
($ in millions)	Carrying		Fair		Carrying		Fair
	Value		Value		Value		Value
Long-term debt, including current portion	$	406.2	$	433.4	$	406.9	$	427.7
Company-owned life insurance	$	13.8	$	13.8	$	11.0	$	11.0