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Goodwill and Other Intangibles (Estimated Amortization Expense) (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]    
2017 $ 17,331  
2018 15,233  
2019 13,756  
2020 12,635  
2021 11,387  
Thereafter 74,637  
Net 144,979 $ 43,117
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
2017 13,121  
2018 11,598  
2019 10,309  
2020 9,193  
2021 7,945  
Thereafter 51,100  
Net 103,266 24,375
Trademarks, trade names and brand names    
Finite-Lived Intangible Assets [Line Items]    
2017 1,840  
2018 1,807  
2019 1,641  
2020 1,641  
2021 1,641  
Thereafter 14,685  
Net 23,255 10,090
Developed technology, patents and patent applications    
Finite-Lived Intangible Assets [Line Items]    
2017 911  
2018 1,082  
2019 1,082  
2020 1,082  
2021 1,082  
Thereafter 7,770  
Net 13,009  
Non-compete agreements    
Finite-Lived Intangible Assets [Line Items]    
2017 16  
2018 16  
2019 5  
2020 0  
2021 0  
Thereafter 0  
Net 37 60
Customer order backlog    
Finite-Lived Intangible Assets [Line Items]    
2017 601  
2018 0  
2019 0  
2020 0  
2021 0  
Thereafter 0  
Net 601 0
Other    
Finite-Lived Intangible Assets [Line Items]    
2017 842  
2018 730  
2019 719  
2020 719  
2021 719  
Thereafter 1,082  
Net $ 4,811 $ 5,592