XML 226 R82.htm IDEA: XBRL DOCUMENT v3.10.0.1
Stock-Based Compensation - Restricted Stock (Details) - Restricted Stock [Member] - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock unrecognized compensation, amount $ 29.3    
Restricted stock unrecognized compensation, period 2 years    
Restricted stock expense $ 25.9 $ 27.0 $ 26.7
Restricted stock expense, net of tax $ 19.7 $ 19.7 $ 19.5
Status of nonvested restricted stock [Roll Forward]      
Nonvested shares, number, beginning balance 1,593,000 1,429,000 1,326,000
Nonvested shares, weighted average price, beginning balance $ 38.86 $ 44.12 $ 53.18
Nonvested shares, granted 737,000 804,000 724,000
Nonvested shares, weighted average price, granted $ 51.70 $ 40.10 $ 30.07
Nonvested shares, vested (556,000) (521,000) (551,000)
Nonvested shares, weighted average price, vested $ 42.25 $ 56.53 $ 47.55
Nonvested shares, forfeited (258,000) (119,000) (70,000)
Nonvested shares, weighted average price, forfeited $ 44.51 $ 38.97 $ 43.05
Nonvested shares, number, ending balance 1,516,000 1,593,000 1,429,000
Nonvested shares, weighted average price, ending balance $ 42.97 $ 38.86 $ 44.12
Management [Member]      
Status of nonvested restricted stock [Roll Forward]      
Nonvested shares, granted 717,833    
Director [Member]      
Status of nonvested restricted stock [Roll Forward]      
Nonvested shares, granted 19,656