Annual report pursuant to Section 13 and 15(d)

Divestiture Activities - Summary of Assets and Liabilities Held for Sale (Details)

v3.10.0.1
Divestiture Activities - Summary of Assets and Liabilities Held for Sale (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Assets Held for Sale $ 19,358 $ 0
Held for Sale | Test Systems    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Inventories 14,385  
Prepaid Expenses and Other Current Assets 87  
Net Property, Plant and Equipment 3,521  
Other Assets 714  
Intangible Assets, Net of Accumulated Amortization 651  
Assets Held for Sale 19,358  
Deferred Income Taxes $ 906