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Quarterly Financial Data (Unaudited) - Summary of Unaudited Quarterly Results of Operations (Parenthetical) (Detail) $ in Millions | 3 Months Ended
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Sep. 30, 2015 USD ($)
Operating Expenses [Member] |
Quarterly Financial Information [Line Items] |
State payroll tax incentive associated with office relocation | $ 1.6
Corporate General and Administrative Expenses [Member] |
Quarterly Financial Information [Line Items] |
State payroll tax incentive associated with office relocation | $ 0.1

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- Definition State payroll tax incentive associated with office relocation. + References No definition available. + Details
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- Details
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