Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Allocated Purchase Price (Details)

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Acquisitions - Allocated Purchase Price (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Jan. 31, 2017
Dec. 31, 2016
May 31, 2016
Mar. 31, 2016
Assets acquired:          
Goodwill $ 359,420   $ 259,938    
Axiometrics          
Assets acquired:          
Restricted cash 0        
Accounts receivable 1,642        
Property, equipment, and software 416        
Goodwill 54,154 $ 54,200      
Other assets 273        
Liabilities assumed:          
Accounts payable and accrued liabilities (368)        
Client deposits held in restricted accounts 0        
Deferred revenue (7,115)        
Other long-term liabilities (774)        
Total purchase price 73,758        
Axiometrics | Developed product technologies          
Assets acquired:          
Intangible assets: 15,500        
Axiometrics | Client relationships          
Assets acquired:          
Intangible assets: 6,830        
Axiometrics | Trade names          
Assets acquired:          
Intangible assets: 3,200        
Axiometrics | Non-compete agreements          
Assets acquired:          
Intangible assets: 0        
NWP          
Assets acquired:          
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        
Liabilities assumed:          
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          
Assets acquired:          
Intangible assets: 2,740        
NWP | Client relationships          
Assets acquired:          
Intangible assets: 12,900        
NWP | Trade names          
Assets acquired:          
Intangible assets: 709        
AssetEye          
Assets acquired:          
Restricted cash 0        
Accounts receivable 90        
Property, equipment, and software 0        
Goodwill       $ 3,154  
Deferred tax assets, net 0        
Other assets, net of other liabilities 8        
Liabilities assumed:          
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          
Assets acquired:          
Intangible assets: 1,638        
AssetEye | Client relationships          
Assets acquired:          
Intangible assets: 1,041        
AssetEye | Trade names          
Assets acquired:          
Intangible assets: 6        
eSupply          
Assets acquired:          
Restricted cash 0        
Accounts receivable 287        
Property, equipment, and software 0        
Goodwill 3,194        
Deferred tax assets, net 0        
Other assets, net of other liabilities 53        
Liabilities assumed:          
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          
Assets acquired:          
Intangible assets: 2,160        
eSupply | Client relationships          
Assets acquired:          
Intangible assets: 1,390        
eSupply | Trade names          
Assets acquired:          
Intangible assets: 35        
American Utility Management          
Assets acquired:          
Restricted cash 7,637        
Accounts receivable 2,183        
Property, equipment, and software 341        
Goodwill 45,292        
Other assets 1,149        
Liabilities assumed:          
Accounts payable and accrued liabilities (1,630)        
Client deposits held in restricted accounts (7,637)        
Deferred revenue (321)        
Other long-term liabilities 0        
Total purchase price 69,412        
American Utility Management | Developed product technologies          
Assets acquired:          
Intangible assets: 10,800        
American Utility Management | Client relationships          
Assets acquired:          
Intangible assets: 7,470        
American Utility Management | Trade names          
Assets acquired:          
Intangible assets: 208        
American Utility Management | Non-compete agreements          
Assets acquired:          
Intangible assets: $ 3,920