Income Taxes Income Taxes (Reconciliation of Expected Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Income Tax Disclosure [Abstract]
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate	$ 46,980	$ 34,624	$ 23,902
Income Tax Reconciliation, State and Local Income Taxes	3,267	3,467	2,356
Income Tax Reconciliation, Deductions, Qualified Production Activities	(2,275)	(2,191)	(770)
Income Tax Reconciliation Nondeductible Compensation Cost	216	1,278	1,194
Income Tax Reconciliation, Foreign Income Tax Rate Differential	(11,513)	(534)	(2,555)
Income Tax Reconciliation, Tax Settlements	0	0	(1,205)
Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance	0	2,118	5,721
Income Tax Reconciliation, Nondeductible Expense, Other	5,434	0	0
Income Tax Reconciliation, Other Adjustments	(955)	(954)	(281)
Income Tax Expense (Benefit), Continuing Operations	$ 41,154	$ 37,808	$ 28,362
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	35.00%	35.00%	35.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes	2.40%	3.50%	3.40%
Effective Income Tax Rate Reconciliation, Deductions, Qualified Production Activities	(1.70%)	(2.20%)	(1.10%)
Effective Income Tax Rate Reconciliation Nondeductible Compensation Cost	0.20%	1.30%	1.70%
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential	(8.60%)	(0.50%)	(3.70%)
Effective Income Tax Rate Reconciliation, Tax Settlements	0.00%	0.00%	(1.80%)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance	0.00%	2.10%	8.40%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other	4.00%	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Other Adjustments	(0.60%)	(1.00%)	(0.40%)
Effective Income Tax Rate, Continuing Operations	30.70%	38.20%	41.50%