XML 97 R78.htm IDEA: XBRL DOCUMENT v3.6.0.2
Royalty Agreements (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Royalty Agreements [Abstract]      
Royalty fees reported in cost of goods sold $ 13.1 $ 11.8 $ 11.5