Annual report pursuant to Section 13 and 15(d)

Reconciliation of Federal Tax Calculated at Statutory Rate (Detail)

 v2.3.0.11
Reconciliation of Federal Tax Calculated at Statutory Rate (Detail) (USD $)
In Thousands
12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2009
Income Taxes [Line Items]      
Computed expected federal income tax expense $ 57,743 $ 54,756 $ 54,377
State income taxes, net of federal benefit 1,463 1,247 1,805
Qualified production activity deduction (3,889) (2,459) (2,397)
Research and development tax credit (1,329) (444) (1,192)
Tax-exempt interest (858) (1,114) (1,424)
Increase (decrease) in deferred tax valuation allowance 60 44 (235)
Foreign exchange loss on repatriation 0 (4,424) 0
Other (511) (936) (813)
Income Tax Expense (Benefit), Total $ 52,679 $ 46,670 $ 50,121