Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Awards (Narrative) (Details)

v3.5.0.2
Stock-Based Awards (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2016
Sep. 30, 2016
Jan. 27, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost   $ 26.0  
Weighted average period of recognition of unrecognized compensation cost, years   1 year 10 months  
New awards authorized   8,800,000 8,000,000
Available for grants   1,600,000  
Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   0.00%  
Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   200.00%  
Market Stock Units [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of Awards Granted 92,000