Quarterly report pursuant to Section 13 or 15(d)

Business Combinations Preliminary Purchase Price Allocation (Details)

v3.7.0.1
Business Combinations Preliminary Purchase Price Allocation (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Jan. 03, 2017
Dec. 31, 2016
Business Acquisition [Line Items]      
Goodwill $ 176,718   $ 113,112
Otometrics [Member]      
Business Acquisition [Line Items]      
Cash and cash equivalents   $ 5,604  
Accounts receivable   28,483  
Inventories   23,403  
Property and equipment   3,610  
Intangible assets   75,755  
Goodwill   53,475  
Other assets   3,555  
Accounts payable   (8,663)  
Accrued liabilities   (14,185)  
Deferred revenue   (767)  
Deferred income tax   (21,023)  
Total purchase price   $ 149,247