Annual report pursuant to Section 13 and 15(d)

Acquisitions - Allocated Purchase Price Table (Detail)

v3.8.0.1
Acquisitions - Allocated Purchase Price Table (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Oct. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Feb. 28, 2017
Jan. 31, 2017
Dec. 31, 2016
Jun. 30, 2016
May 31, 2016
Mar. 31, 2016
Dec. 31, 2015
Business Acquisition [Line Items]                      
Goodwill $ 751,052           $ 259,938       $ 220,097
Axiometrics                      
Business Acquisition [Line Items]                      
Restricted cash 0                    
Accounts receivable 1,620                    
Property, equipment, and software 400                    
Goodwill 54,190         $ 54,200          
Other assets 273                    
Accounts payable and accrued liabilities (367)                    
Client deposits held in restricted accounts 0                    
Deferred revenue (7,115)                    
Deferred tax liabilities, net 0                    
Other long-term liabilities (774)                    
Total purchase price 73,757                    
Axiometrics | Non-competition agreements                      
Business Acquisition [Line Items]                      
Intangible assets: 0                    
Axiometrics | Developed product technologies                      
Business Acquisition [Line Items]                      
Intangible assets: 15,500                    
Axiometrics | Client relationships                      
Business Acquisition [Line Items]                      
Intangible assets: 6,830                    
Axiometrics | Trade names                      
Business Acquisition [Line Items]                      
Intangible assets: 3,200                    
AUM                      
Business Acquisition [Line Items]                      
Restricted cash 5,954                    
Accounts receivable 2,409                    
Property, equipment, and software 319                    
Goodwill 45,929     $ 45,900              
Other assets 828                    
Accounts payable and accrued liabilities (2,150)                    
Client deposits held in restricted accounts (5,954)                    
Deferred revenue (321)                    
Deferred tax liabilities, net 0                    
Other long-term liabilities 0                    
Total purchase price 69,412                    
AUM | Non-competition agreements                      
Business Acquisition [Line Items]                      
Intangible assets: 3,920                    
AUM | Developed product technologies                      
Business Acquisition [Line Items]                      
Intangible assets: 10,800                    
AUM | Client relationships                      
Business Acquisition [Line Items]                      
Intangible assets: 7,470                    
AUM | Trade names                      
Business Acquisition [Line Items]                      
Intangible assets: 208                    
On-Site                      
Business Acquisition [Line Items]                      
Restricted cash 3,458                    
Accounts receivable 4,718                    
Property, equipment, and software 789                    
Goodwill 184,534   $ 184,500                
Other assets 826                    
Accounts payable and accrued liabilities (952)                    
Client deposits held in restricted accounts (3,458)                    
Deferred revenue (565)                    
Deferred tax liabilities, net (1,240)                    
Other long-term liabilities 0                    
Total purchase price 253,430                    
On-Site | Non-competition agreements                      
Business Acquisition [Line Items]                      
Intangible assets: 0                    
On-Site | Developed product technologies                      
Business Acquisition [Line Items]                      
Intangible assets: 16,960                    
On-Site | Client relationships                      
Business Acquisition [Line Items]                      
Intangible assets: 41,360                    
On-Site | Trade names                      
Business Acquisition [Line Items]                      
Intangible assets: 7,000                    
PEX                      
Business Acquisition [Line Items]                      
Restricted cash 0                    
Accounts receivable 174                    
Property, equipment, and software 8                    
Goodwill 3,172 $ 3,200                  
Other assets 78                    
Accounts payable and accrued liabilities (242)                    
Client deposits held in restricted accounts 0                    
Deferred revenue (221)                    
Deferred tax liabilities, net (108)                    
Other long-term liabilities 0                    
Total purchase price 6,031                    
PEX | Non-competition agreements                      
Business Acquisition [Line Items]                      
Intangible assets: 0                    
PEX | Developed product technologies                      
Business Acquisition [Line Items]                      
Intangible assets: 2,360                    
PEX | Client relationships                      
Business Acquisition [Line Items]                      
Intangible assets: 600                    
PEX | Trade names                      
Business Acquisition [Line Items]                      
Intangible assets: 210                    
LRO                      
Business Acquisition [Line Items]                      
Restricted cash 0                    
Accounts receivable 4,425                    
Property, equipment, and software 1,507                    
Goodwill 203,254       $ 203,300            
Other assets 475                    
Accounts payable and accrued liabilities (533)                    
Client deposits held in restricted accounts 0                    
Deferred revenue (871)                    
Deferred tax liabilities, net 0                    
Other long-term liabilities 0                    
Total purchase price 299,923                    
LRO | Developed product technologies                      
Business Acquisition [Line Items]                      
Intangible assets: 42,000                    
LRO | Client relationships                      
Business Acquisition [Line Items]                      
Intangible assets: 49,000                    
LRO | Trade names                      
Business Acquisition [Line Items]                      
Intangible assets: 666                    
NWP                      
Business Acquisition [Line Items]                      
Restricted cash 4,960                    
Accounts receivable 7,902                    
Property, equipment, and software 3,194                    
Intangible assets:                   $ 16,300  
Goodwill 33,520                 35,300  
Deferred tax assets, net 11,173                 $ 10,200  
Other assets, net of other liabilities 3,065                    
Accounts payable and accrued liabilities (6,962)                    
Client deposits held in restricted accounts (5,018)                    
Deferred revenue 0                    
Deferred tax liabilities, net 0                    
Total purchase price 68,183                    
NWP | Developed product technologies                      
Business Acquisition [Line Items]                      
Intangible assets: 2,740                    
NWP | Client relationships                      
Business Acquisition [Line Items]                      
Intangible assets: 12,900                    
NWP | Trade names                      
Business Acquisition [Line Items]                      
Intangible assets: 709                    
AssetEye                      
Business Acquisition [Line Items]                      
Restricted cash 0                    
Accounts receivable 90                    
Property, equipment, and software 0                    
Goodwill 3,154               $ 3,200    
Deferred tax assets, net 0                    
Other assets, net of other liabilities 8                    
Accounts payable and accrued liabilities 0                    
Client deposits held in restricted accounts 0                    
Deferred revenue (16)                    
Deferred tax liabilities, net (1,010)                    
Total purchase price 4,911                    
AssetEye | Developed product technologies                      
Business Acquisition [Line Items]                      
Intangible assets: 1,638                    
AssetEye | Client relationships                      
Business Acquisition [Line Items]                      
Intangible assets: 1,041                    
AssetEye | Trade names                      
Business Acquisition [Line Items]                      
Intangible assets: 6                    
eSupply                      
Business Acquisition [Line Items]                      
Restricted cash 0                    
Accounts receivable 287                    
Property, equipment, and software 0                    
Goodwill 3,194             $ 3,200      
Deferred tax assets, net 0                    
Other assets, net of other liabilities 53                    
Accounts payable and accrued liabilities (44)                    
Client deposits held in restricted accounts 0                    
Deferred revenue (29)                    
Deferred tax liabilities, net 0                    
Total purchase price 7,046                    
eSupply | Developed product technologies                      
Business Acquisition [Line Items]                      
Intangible assets: 2,160                    
eSupply | Client relationships                      
Business Acquisition [Line Items]                      
Intangible assets: 1,390                    
eSupply | Trade names                      
Business Acquisition [Line Items]                      
Intangible assets: 35                    
Indatus                      
Business Acquisition [Line Items]                      
Accounts receivable 646                    
Goodwill 25,575                    
Other liabilities, net of other assets 57                    
Total purchase price 49,417                    
Indatus | Developed product technologies                      
Business Acquisition [Line Items]                      
Intangible assets: 13,400                    
Indatus | Client relationships                      
Business Acquisition [Line Items]                      
Intangible assets: 9,770                    
Indatus | Trade names                      
Business Acquisition [Line Items]                      
Intangible assets: 83                    
VRX                      
Business Acquisition [Line Items]                      
Accounts receivable 0                    
Goodwill 1,186                    
Other liabilities, net of other assets 0                    
Total purchase price 1,991                    
VRX | Developed product technologies                      
Business Acquisition [Line Items]                      
Intangible assets: 794                    
VRX | Client relationships                      
Business Acquisition [Line Items]                      
Intangible assets: 11                    
VRX | Trade names                      
Business Acquisition [Line Items]                      
Intangible assets: $ 0