Quarterly report pursuant to sections 13 or 15(d)

Unaudited Pro Forma Information Represents Consolidated Results of Operations (Detail)

v2.4.0.6
Unaudited Pro Forma Information Represents Consolidated Results of Operations (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2011
Sep. 30, 2011
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]    
Total revenue $ 150,491 $ 508,706
Net loss $ (12,538) $ (28,746)
Basic and diluted loss per share $ (0.07) $ (0.16)
Weighted average common shares outstanding - basic and diluted 182,810,137 183,068,493