Debt (Tables)

9 Months Ended

Mar. 31, 2014

Debt

Schedule of long-term debt outstanding

	March 31,		June 30,
($ in millions)	2014		2013
Medium-term notes, Series B at 6.74% to 7.10% due from April 2018 to May 2018 (face value of $55.0 million at March 31, 2014 and June 30, 2013)	$	55.0	$	55.0
Senior unsecured notes, 5.20% due July 2021 (face value of $250.0 million at March 31, 2014 and June 30, 2013)	249.7		249.7
Senior unsecured notes, 4.45% due March 2023 (face value of $300.0 million at March 31, 2014 and June 30, 2013)	299.6		299.5
Total	604.3		604.2
Less amounts due within one year	—		—
Long-term debt, net of current portion	$	604.3	$	604.2