Accrued Severance Benefits - Additional Information (Detail) $ in Millions |
1 Months Ended | 3 Months Ended |
|---|---|---|
|
Dec. 31, 2015
Employee
|
Dec. 31, 2015
USD ($)
|
|
| Restructuring And Related Activities [Abstract] | ||
| Reduction of full-time employees | Employee | 40 | |
| Expenses related to severance benefits | $ 2.5 | |
| Non-cash stock compensation expense | $ 0.2 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The expected number of positions to be eliminated as a result of restructuring activities. No definition available.
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| X | ||||||||||
- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The noncash expense that accounts for the value of stock or unit options distributed to employees as compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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