Annual report pursuant to Section 13 and 15(d)

Reconciliation of Federal Tax Calculated at Statutory Rate (Detail)

v2.4.0.6
Reconciliation of Federal Tax Calculated at Statutory Rate (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Income Taxes [Line Items]      
Computed expected federal income tax expense $ 56,768 $ 57,743 $ 54,756
State income taxes, net of federal benefit 2,038 1,463 1,247
Qualified production activity deduction (3,917) (3,889) (2,459)
Research and development tax credit (465) (1,329) (444)
Tax-exempt interest (565) (858) (1,114)
Change in deferred tax valuation allowance (3,016) 60 44
Foreign exchange loss on repatriation 0 0 (4,424)
Other (979) (511) (936)
Income taxes $ 49,864 $ 52,679 $ 46,670