v2.4.0.6
Annual Future Minimum Payments Under Operating Leases / Facility Exit Obligation (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Annual future minimum payments under these operating leases    
Remaining three months ended December 31, 2012 $ 3,898 $ 11,079
2013 13,569 10,834
2014 10,476 5,679
2015 5,383 1,921
2016 5,044 1,661
Thereafter 18,392 3,603
Total minimum lease payments 56,762 34,777
Data Centers
    
Annual future minimum payments under these operating leases    
Remaining three months ended December 31, 2012 2,982 8,284
2013 8,174 8,587
2014 5,314 3,270
2015 546 197
Total minimum lease payments 17,016 20,338
Leasehold Improvements
    
Annual future minimum payments under these operating leases    
Remaining three months ended December 31, 2012 916 2,795
2013 5,395 2,247
2014 5,162 2,409
2015 4,837 1,724
2016 5,044 1,661
Thereafter 18,392 3,603
Total minimum lease payments $ 39,746 $ 14,439