XML 17 R6.htm IDEA: XBRL DOCUMENT v3.8.0.1
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($)
Total
Common Stock
Retained earnings
Accumulated other comprehensive income (loss)
Treasury stock
Beginning Balances (in shares) at Dec. 31, 2015   68,730,731     (7,089,051)
Beginning Balances at Dec. 31, 2015 $ 809,376,000 $ 571,155,000 $ 388,240,000 $ (30,580,000) $ (119,439,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income 65,232,000   65,232,000    
Other comprehensive income (loss) 13,058,000     13,058,000  
Cash dividends declared :          
Common stock at $0.51 per share in 2017 and $0.48 per share in 2016 (29,672,000)   (29,672,000)    
Stock Issued During Period, Shares, Other         74,079
Adjustments to Additional Paid in Capital, Other 0 (1,249,000)     $ 1,249,000
Excess tax benefit on share-based compensation 225,000 225,000      
Exercise of stock options, net of shares purchased (in shares)         53,715
Exercise of stock options, net of shares purchased 578,000 (328,000)     $ 906,000
Restricted stock awards, net of forfeitures (in shares)         183,399
Restricted stock awards, net of forfeitures (1,562,000) (4,506,000)     $ 2,944,000
Share-based compensation expense 3,902,000 $ 3,902,000      
Ending Balances (in shares) at Sep. 30, 2016   68,730,731     (6,777,858)
Ending Balances at Sep. 30, 2016 861,137,000 $ 569,199,000 423,800,000 (17,522,000) $ (114,340,000)
Beginning Balances (in shares) at Dec. 31, 2016   68,730,731     (6,751,179)
Beginning Balances at Dec. 31, 2016 865,224,000 $ 570,382,000 437,188,000 (28,443,000) $ (113,903,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income 71,976,000   71,976,000    
Other comprehensive income (loss) 8,064,000     8,064,000  
Cash dividends declared :          
Common stock at $0.51 per share in 2017 and $0.48 per share in 2016 (31,576,000)   (31,576,000)    
Stock Issued During Period, Shares, Other         4,848
Adjustments to Additional Paid in Capital, Other 0 (82,000)     $ 82,000
Exercise of stock options, net of shares purchased (in shares)         53,303
Exercise of stock options, net of shares purchased 18,000 (885,000)     $ 903,000
Restricted stock awards, net of forfeitures (in shares)         23,762
Restricted stock awards, net of forfeitures (2,783,000) (1,696,000)     $ (1,087,000)
Share-based compensation expense 4,031,000 $ 4,031,000      
Ending Balances (in shares) at Sep. 30, 2017   68,730,731     (6,669,266)
Ending Balances at Sep. 30, 2017 914,954,000 $ 571,750,000 477,588,000 (20,379,000) $ (114,005,000)
Beginning Balances at Jun. 30, 2017 1,913,682        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income 24,826,000        
Other comprehensive income (loss) 1,843,000        
Ending Balances (in shares) at Sep. 30, 2017   68,730,731     (6,669,266)
Ending Balances at Sep. 30, 2017 $ 914,954,000 $ 571,750,000 $ 477,588,000 $ (20,379,000) $ (114,005,000)