Fair Value of Financial Instruments (Tables)

9 Months Ended

Mar. 31, 2013

Fair Value Disclosures [Abstract]

Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table sets forth the Company’s financial assets and liabilities at March 31, 2013 that are measured at fair value on a recurring basis during the period, segregated by level within the fair value hierarchy:

	Level 1		Level 2		Level 3		Total
	($ in millions)
Assets
Cash and cash equivalents:
Money market funds	$	45.7	$	—	$	—	$	45.7
Other non-current assets:
Available-for-sale equity securities		15.4		—		—		15.4
Total	$	61.1	$	—	$	—	$	61.1

The following table sets forth the Company’s financial assets and liabilities at June 30, 2012 that are measured at fair value on a recurring basis during the period, segregated by level within the fair value hierarchy:

	Level 1		Level 2		Level 3		Total
	($ in millions)
Assets
Cash and cash equivalents:
Money market funds	$	160.9	$	—	$	—	$	160.9
Other non-current assets:
Available-for-sale equity securities		7.0		—		—		7.0
Total	$	167.9	$	—	$	—	$	167.9