Income Taxes (Details1) (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Effective Tax Rate [Abstract]
Tax provision at U.S. federal statutory tax rate of 35 percent	$ 142,181,000	$ 114,325,000	$ 59,471,000
Foreign income tax rate differential, net	(20,064,000)	(19,639,000)	(4,013,000)
State income taxes, net of federal tax effect	9,466,000	13,095,000	88,000
Non-deductible expenses and foreign dividend	11,709,000	10,477,000	5,350,000
Tax credits	(4,451,000)	(5,041,000)	(6,247,000)
Valuation allowance	(19,123,000)	15,214,000	(19,925,000)
Medicare Part D subsidy	0	0	9,367,000
Legal entity restructuring	13,551,000	0	5,636,000
Other	12,487,000	1,485,000	1,180,000
Total provision for income taxes	$ 145,756,000	$ 129,916,000	$ 50,907,000
Effective Income Tax Rate	35.90%	39.80%
Internal Revenue Service (IRS) [Member]
Income Tax Examination [Line Items]
Open Tax Years by Major Tax Jurisdiction	2009 and forward
Internal Revenue Service (IRS) [Member] | Earliest Year [Member]
Income Tax Examination [Line Items]
Income Tax Examination Year Under Examination	2010
Internal Revenue Service (IRS) [Member] | Most Recent Year [Member]
Income Tax Examination [Line Items]
Income Tax Examination Year Under Examination	2011
State and Local Jurisdiction [Member]
Income Tax Examination [Line Items]
Open Tax Years by Major Tax Jurisdiction	2002 and forward
State and Local Jurisdiction [Member] | Earliest Year [Member]
Income Tax Examination [Line Items]
Income Tax Examination Year Under Examination	2006
State and Local Jurisdiction [Member] | Most Recent Year [Member]
Income Tax Examination [Line Items]
Income Tax Examination Year Under Examination	2011
Canada Federal [Member]
Income Tax Examination [Line Items]
Open Tax Years by Major Tax Jurisdiction	2004 and forward
Germany [Member]
Income Tax Examination [Line Items]
Open Tax Years by Major Tax Jurisdiction	2004 and forward
The Netherlands [Member]
Income Tax Examination [Line Items]
Open Tax Years by Major Tax Jurisdiction	2009 and forward
United Kingdom [Member]
Income Tax Examination [Line Items]
Open Tax Years by Major Tax Jurisdiction	2010 and forward