|
Commitments and Contingencies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
6 Months Ended | 9 Months Ended | 12 Months Ended | 1 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 1 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2011
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Dec. 31, 2010
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Sep. 30, 2012
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Sep. 30, 2011
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Jun. 30, 2011
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Jun. 30, 2010
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Jun. 30, 2009
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Sep. 30, 2012
Facility Closing
|
Feb. 29, 2012
San Diego
sqft
|
Dec. 31, 2011
Cost Of Revenues
|
Dec. 31, 2010
Cost Of Revenues
|
Sep. 30, 2012
Cost Of Revenues
|
Sep. 30, 2011
Cost Of Revenues
|
Jun. 30, 2011
Cost Of Revenues
|
Jun. 30, 2010
Cost Of Revenues
|
Jun. 30, 2009
Cost Of Revenues
|
Sep. 30, 2012
Office Space
sqft
Y
|
Nov. 08, 2012
Office Space
Subsequent Event
Y
sqft
|
|
| Operating Leased Assets [Line Items] | ||||||||||||||||||
| Rent expense | $ 1.2 | $ 0.5 | $ 3.0 | $ 2.3 | $ 2.3 | $ 1.1 | $ 0.9 | $ 3.7 | $ 2.1 | $ 9.2 | $ 4.4 | $ 4.8 | $ 2.7 | $ 1.3 | ||||
| Termination fee | 0.7 | 0.7 | ||||||||||||||||
| Area of building under lease | 94,543 | 43,590 | 148,704 | |||||||||||||||
| Approximated amount for minimum operating lease commitments | 10.2 | 13.7 | 10.5 | 48.8 | ||||||||||||||
| Operating lease period | 10.5 | 11 | ||||||||||||||||
| Office space leased area for first year | 17,857 | |||||||||||||||||
| Cease-use loss | 0.2 | |||||||||||||||||
| Facility exit obligation | $ 3.0 | $ 3.0 | ||||||||||||||||