XML 106 R92.htm IDEA: XBRL DOCUMENT v3.8.0.1
Capital Stock and Share Based Compensation Plans - Schedule of stock compensation costs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share-based compensation, net of tax $ 7,717 $ 4,835 $ 5,010
Discontinued Operations      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Total share-based compensation 465 270 1,378
Continuing Operations      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Total share-based compensation 12,495 7,823 8,167
Restricted Stock Units (RSUs)      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Total share-based compensation $ 12,960 $ 8,093 $ 9,545