Borrowings (Tables)

9 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Outstanding Borrowings and Available Capacity under Borrowing Arrangements

Outstanding borrowings and available capacity under the Company’s borrowing arrangements were as follows:

	Expiration Date	March 31, 2013		June 30, 2012		Unused Available Capacity
				($ in millions)
Long-term debt
Term loan facility	September 2016	$	400.0	$	400.0	$	—
Revolving credit facility	September 2016		—		—		500.0
Senior notes	June 2017		124.5		124.4		—
Total debt		$	524.5	$	524.4	$	500.0