Quarterly report pursuant to Section 13 or 15(d)

Acquisitions ITS - Narrative (Details)

v3.2.0.727
Acquisitions ITS - Narrative (Details) - USD ($)
$ in Thousands
 6 Months Ended
Apr. 22, 2013
Jun. 30, 2015
Apr. 17, 2015
Business Acquisition [Line Items]      
Business Combination, Amount Remaining in Escrow   $ 7,000  
Business Combination, Acquisition Related Costs   400  
ITS [Member]      
Business Acquisition [Line Items]      
Cash paid to, or on behalf of, ITS and its equity holders $ 101,000    
Cash deposited into escrow 24,000    
Business Acquisition, Escrow Funds Released   13,800  
Business Acquisition, Escrow Funds Received   3,200  
April 17, 2015 Acquisition [Member]      
Business Acquisition [Line Items]      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents     $ 17
Cash paid to, or on behalf of, ITS and its equity holders $ 10,448    
Business Combination, Contingent Consideration, Liability, Current   8,000  
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred   17,200  
Business Combination, Acquired Receivables, Fair Value     1,112
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Rig and Materials Supplies     883
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets     2,012
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment     477
Goodwill (Note 3)     6,755
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles   $ 13,470  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets     22,667
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable     863
Business Combination, Contingent Consideration, Liability, Current     863
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent     4,601
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities     5,464
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net     $ 17,203