XML 61 R51.htm IDEA: XBRL DOCUMENT v3.10.0.1
Other Charges , Net Other Charges, Net (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Other Income and Expenses [Abstract]        
Impact of Adopting ASU 2017-07 ASC 715 Compensation Retirement Benefit $ (1,600) $ (1,200) $ (4,700) $ (3,100)
Gain (Loss) on Disposition of Property Plant Equipment     $ 0 $ 3,394