XML 90 R76.htm IDEA: XBRL DOCUMENT v3.8.0.1
14. Segment Information Segment Asset Reconciliation (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets $ 4,273,012 $ 3,850,504
Operating Segments [Member]    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets 1,496,200 1,294,800
Other Current Assets [Member] | Segment Reconciling Items [Member]    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets 965,800 980,300
Property, Plant and Equipment excluding segment specific [Member] | Segment Reconciling Items [Member]    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets 57,000 91,100
Goodwill [Member] | Segment Reconciling Items [Member]    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets 506,100 477,100
Other Noncurrent Assets [Member] | Segment Reconciling Items [Member]    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets $ 1,247,900 $ 1,007,200