|
Income Taxes (Details) (USD $) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Dec. 31, 2013 |
Dec. 31, 2012 |
Dec. 31, 2013 |
Dec. 31, 2012 |
|
| Operating Loss Carryforwards | ||||
| Income before income taxes | $ 176,745,000 | $ 144,874,000 | $ 316,609,000 | $ 321,416,000 |
| Provision for income taxes | 37,499,000 | 38,244,000 | 66,166,000 | 79,419,000 |
| Effective tax rate | 21.20% | 26.40% | 20.90% | 24.70% |
| Estimated effective tax rate for the fiscal year ending June 30, 2014 | 21.40% | |||
| Unrecognized tax benefits, reduction in next twelve months resulting from lapse of applicable statute of limitations | 7,200,000 | |||
|
Jurisdictions With Tax Rates Lower Than U.S. Statutory Tax Rate |
||||
| Operating Loss Carryforwards | ||||
| Decrease in income taxes | (4,700,000) | (7,400,000) | ||
|
U.S. Federal Research Tax Credit |
||||
| Operating Loss Carryforwards | ||||
| Decrease in income taxes | (1,700,000) | (3,100,000) | ||
|
Non-Taxable Change in the Value of Assets of Deferred Savings Plan |
||||
| Operating Loss Carryforwards | ||||
| Decrease in income taxes | $ (2,600,000) | $ (3,600,000) | ||