XML 100 R80.htm IDEA: XBRL DOCUMENT v3.6.0.2
Equity Incentive Program Equity Incentive Program - Other Information Regarding SSARs and Stock Options (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Document Fiscal Year Focus 2016    
SSARs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Fair value of SSARs that are exercisable $ 1.9 $ 0.6 $ 1.1
Aggregate intrinsic value of SSARs exercised 0.1 0.1 0.1
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Cash received by Knowles for exercise of stock options 0.0 0.0 0.1
Aggregate intrinsic value of options exercised $ 0.0 $ 0.0 $ 0.2