Quarterly report pursuant to Section 13 or 15(d)

Legal Proceedings Legal Proceedings (Details)

v3.10.0.1
Legal Proceedings Legal Proceedings (Details) - Germany - Lufthansa Technik AG
$ in Millions
1 Months Ended 9 Months Ended
Oct. 31, 2018
USD ($)
Sep. 29, 2018
USD ($)
product
Loss Contingencies [Line Items]    
Number of products in distribution channels | product   0
Patent Infringement | AES    
Loss Contingencies [Line Items]    
Damages sought   $ 6.2
Recorded reserve   1.0
Patent Infringement | AES | Subsequent Event    
Loss Contingencies [Line Items]    
Damages sought $ 6.4  
Patent Infringement | AES | Minimum    
Loss Contingencies [Line Items]    
Estimate of the value of the dispute   1.0
Patent Infringement | AES | Maximum    
Loss Contingencies [Line Items]    
Estimate of the value of the dispute   $ 3.0