XML 125 R100.htm IDEA: XBRL DOCUMENT v3.10.0.1
Employee Benefit Plans (Shares Issued in Connection with Stock Compensation Awards) (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Retirement Benefits [Abstract]      
New shares issued from available authorized shares 0 603,842 0
Issued from available treasury stock 548,238 547,078 1,509,121
Total 548,238 1,150,920 1,509,121
Proceeds from stock option exercises $ 31,647 $ 67,746 $ 78,866
Intrinsic value of stock options exercised 23,292 38,275 30,935
Fair value of stock awards/units vested $ 4,212 $ 4,578 $ 3,679