Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Awards (Narrative) (Details)

v3.2.0.727
Stock-Based Awards (Narrative) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
6 Months Ended
Jun. 17, 2015
Feb. 19, 2015
Jun. 30, 2015
Share-based Compensation [Abstract]      
Unrecognized compensation cost     $ 31.5
Weighted average period of recognition of unrecognized compensation cost, years     2 years 1 month
New awards authorized     8.0
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized After Special Dividend     8.8
Common Stock, Dividends, Per Share, Cash Paid $ 0.35 $ 10.00  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant due to Special Dividend     0.8
Available for grants     2.5