Debt (Tables)

12 Months Ended

Jun. 30, 2013

Debt

Schedule of long-term debt outstanding

	June 30,
($ in millions)	2013		2012
Senior unsecured notes, 6.625% due May 2013 (face value of $100.0 million at June 30, 2012)	$	—	$	101.3
Medium-term notes, Series B at 6.74% to 7.10% due from April 2018 to May 2018 (face value of $55.0 and $56.0 million at June 30, 2013 and 2012, respectively)	55.0		56.0
Senior unsecured notes, 5.200% due July 2021 (face value of $250.0 million at June 30, 2013 and 2012)	249.7		249.6
Senior unsecured notes, 4.45% due March 2023 (face value of $300.0 million and $0.0 at June 30, 2013 and 2012, respectively)	299.5		—
Total	604.2		406.9
Less amounts due within one year	—		101.0
Long-term debt, net of current portion	$	604.2	$	305.9