Held-To-Maturity Investments (Schedule Of Held-To-Maturity Investments) (Details) (USD $) In Millions	Sep. 30, 2011		Jun. 30, 2011
Held-To-Maturity Investments
Current portion of held-to-maturity investments	$ 106.3	[1]	$ 93.2	[1]
Long-term portion of held-to-maturity investments	24.5	[2]	48.8	[2]
Total held-to-maturity investments	$ 130.8		$ 142.0

[1] Included in prepaid expenses and other in our condensed consolidated balance sheets.

[2] Included in other long-term assets in our condensed consolidated balance sheets.