XML 87 R69.htm IDEA: XBRL DOCUMENT v3.6.0.2
Stock Plans (Narrative) (Details)
$ / shares in Units, $ in Millions
2 Months Ended 12 Months Ended
Feb. 11, 2016
shares
Feb. 25, 2015
shares
Feb. 17, 2014
shares
Dec. 31, 2016
USD ($)
ShareBasedCompensationPlan
entity
$ / shares
shares
Dec. 31, 2015
USD ($)
$ / shares
shares
Dec. 31, 2014
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of stock-based compensation plan under which grants were made | ShareBasedCompensationPlan       6    
Number of stock-based compensation plan under which grants were not made | ShareBasedCompensationPlan       5    
Shares authorized for grant under the plans (in shares)       20,000,000    
Shares available for grant under the plan (in shares)       7,324,000    
EIP Plans [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares granted (in shares)       0    
Performance Shares [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expense recognized during the period | $       $ 6.0 $ 7.0 $ 4.0
Shares granted (in shares) 1,669,000 665,000 1,028,000 1,669,000 738,000 1,037,000
Performance Shares            
Initial period over which target number of performance shares are awarded       90 days    
Measurement period       3 years    
Restricted Stock [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expense recognized during the period | $       $ 18.0 $ 20.0 $ 16.0
Shares granted (in shares)       5,936,000 2,815,000 4,314,000
Restricted Stock            
Remaining unrecognized compensation cost associated with unvested restricted stock awards | $       $ 26.0    
Weighted average period over which unvested restricted stock awards unrecognized compensation cost is expected to be recognized (in years)       1 year 3 months 18 days    
Stock Options [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Unrecognized compensation cost | $       $ 0.0    
Non Employee Directors Compensation Plans            
Exercisable at end of period (in shares)       40,000 50,000 83,000
Exercisable at end of period (in dollars per share) | $ / shares       $ 8.81 $ 13.40 $ 13.23
Non-Employee Director [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expense recognized during the period | $       $ 0.0 $ (1.0) $ 4.0
Non Employee Directors Compensation Plans            
Plan units earned during the period (in shares)       444,277 334,188 237,607
Number of directors participating in the plan during the period | entity       10    
Cash compensation | $       $ 1.0 $ 1.0 $ 1.0