XML 141 R125.htm IDEA: XBRL DOCUMENT v3.10.0.1
Information about Stock Options Outstanding (Detail)
shares in Thousands
12 Months Ended
Dec. 31, 2018
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Outstanding, shares | shares 1,118
Outstanding, average exercise price $ 11.77
Exercise Price Range, $ 2.00 - $ 2.46  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price range, lower limit $ 2.46
Outstanding, shares | shares 200 [1]
Outstanding, average life (years) 1 month 13 days [1],[2]
Outstanding, average exercise price $ 2.46 [1]
Exercise Price Range, $ 7.80 - $ 12.75  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price range, lower limit 7.80
Exercise price range, upper limit $ 12.75
Outstanding, shares | shares 65
Outstanding, average life (years) 10 months 10 days [2]
Outstanding, average exercise price $ 8.76
Exercise Price Range, $ 14.18  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price range, lower limit $ 14.18
Outstanding, shares | shares 840
Outstanding, average life (years) 1 year 1 month 10 days [2]
Outstanding, average exercise price $ 14.18
Exercise Price Range, $14.92 - $22.80  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price range, lower limit $ 14.92
Outstanding, shares | shares 13
Outstanding, average life (years) 1 year 5 months 1 day [2]
Outstanding, average exercise price $ 14.92
[1] Shares for total options outstanding and exercisable each have an aggregate intrinsic value of less than $1 million.
[2] Average contractual life remaining in years.