Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

v3.19.1
Summary of Significant Accounting Policies (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Mar. 31, 2019
USD ($)
Segment
Mar. 31, 2018
USD ($)
Jan. 01, 2019
USD ($)
Summary of Significant Accounting Policies [Line Items]          
Provision for inventory obsolescence     $ 500 $ 0  
Goodwill, in-process research and development and other intangible assets acquired $ 1,900,000 $ 2,000,000 1,900,000    
Amortization expense     16,562 17,271  
Depreciation expense     7,300 7,500  
Allowance for doubtful accounts receivable 1,950 $ 1,758 1,950    
Provision related to current period sales     200 100  
Equity-based compensation expense     $ 4,500 $ 5,900  
Number of reportable segments | Segment     2    
Lease liabilities 33,744   $ 33,744    
Operating lease right-of-use assets $ 33,277   $ 33,277    
Minimum          
Summary of Significant Accounting Policies [Line Items]          
Intangible assets, estimated useful lives     3 years    
Maximum          
Summary of Significant Accounting Policies [Line Items]          
Intangible assets, estimated useful lives     20 years    
Government Contracts Concentration Risk | Accounts Receivable          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage 17.00% 17.40%      
Customer Concentration Risk | Accounts Receivable          
Summary of Significant Accounting Policies [Line Items]          
Concentration percentage 2.10% 3.10%      
Software          
Summary of Significant Accounting Policies [Line Items]          
Property, plant and equipment, estimated useful lives     3 years    
Machinery, Medical and Other Equipment | Minimum          
Summary of Significant Accounting Policies [Line Items]          
Property, plant and equipment, estimated useful lives     5 years    
Machinery, Medical and Other Equipment | Maximum          
Summary of Significant Accounting Policies [Line Items]          
Property, plant and equipment, estimated useful lives     8 years    
Furniture and Fixtures | Minimum          
Summary of Significant Accounting Policies [Line Items]          
Property, plant and equipment, estimated useful lives     5 years    
Furniture and Fixtures | Maximum          
Summary of Significant Accounting Policies [Line Items]          
Property, plant and equipment, estimated useful lives     12 years    
Buildings and Improvements | Minimum          
Summary of Significant Accounting Policies [Line Items]          
Property, plant and equipment, estimated useful lives     10 years    
Buildings and Improvements | Maximum          
Summary of Significant Accounting Policies [Line Items]          
Property, plant and equipment, estimated useful lives     40 years    
Automobiles and Aircraft | Minimum          
Summary of Significant Accounting Policies [Line Items]          
Property, plant and equipment, estimated useful lives     3 years    
Automobiles and Aircraft | Maximum          
Summary of Significant Accounting Policies [Line Items]          
Property, plant and equipment, estimated useful lives     5 years    
Accounting Standards Update 2016-02          
Summary of Significant Accounting Policies [Line Items]          
Lease liabilities         $ 33,700
Operating lease right-of-use assets         $ 33,300