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Schedule of Total Operating Income for Continuing Reportable Segments (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013
Segment Reporting Information [Line Items] |  |
Total operating income for reportable segments | $ 25,920 | $ 82,904
Interest income | 55 | 1,362
Other | (98) | (439)
Income tax provision | 9,895 | 28,362
Net income | $ 15,982 | $ 55,465

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