Annual report pursuant to Section 13 and 15(d)

Income Taxes (Consolidated Income from Continuing Operations Before Income Taxes) (Details)

v3.6.0.2
Income Taxes (Consolidated Income from Continuing Operations Before Income Taxes) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
U.S. operations $ 173,798 $ 173,966 $ 118,743
Foreign operations 83,100 73,353 79,778
Income before income tax $ 256,898 $ 247,319 $ 198,521