Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended		12 Months Ended						1 Months Ended	6 Months Ended		12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2011	Dec. 31, 2013 San Diego Office Lease [Member] sqft	Dec. 31, 2012 Amsterdam Office Lease [Member] sqft	Sep. 30, 2012 Amsterdam Office Lease [Member] sqft	Nov. 08, 2012 San Jose Office Lease [Member] sqft	Dec. 31, 2011 Cost Of Revenues [Member]	Dec. 31, 2010 Cost Of Revenues [Member]	Dec. 31, 2013 Cost Of Revenues [Member]	Jun. 30, 2011 Cost Of Revenues [Member]	Jun. 30, 2010 Cost Of Revenues [Member]
Operating Leased Assets [Line Items]
Rent expense	$ 1.2	$ 0.5	$ 8.1	$ 4.5	$ 2.3					$ 13.3	$ 3.7	$ 9.5	$ 2.1	$ 4.8
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals			3.7
Operating Leases, Rent Expense						0	10.5		48.8
Area of building under lease						155,443		43,590	148,704
Lease Abandonment Costs				2.5
Facility Exit Obligation			$ 1.4	$ 2.3
Office space leased area for first year							17,857
Operating lease period							10 years 6 months		11 years