XML 28 R32.htm IDEA: XBRL DOCUMENT v3.2.0.727
Accounts Receivable (Detail) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Billed and billable $ 124,380 $ 187,470
Less: unpaid deferred revenue (64,597) (104,425)
Accounts receivable, gross 59,783 83,045
Less: allowance for doubtful accounts (3,745) (4,412)
Accounts receivable, net $ 56,038 $ 78,633