Operating Leases (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Operating Leases (Textual) [Abstract]
Rental expenses	$ 17.6	$ 16.6	$ 13.5

Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

No definition available.

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration