XML 121 R5.htm IDEA: XBRL DOCUMENT v2.4.0.6
Consolidated Statements Of Shareholders' Equity (USD $)
In Thousands
Common Stock [Member]
Additional Paid-In Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income [Member]
Total
Balance at Dec. 31, 2008 $ 14,154 $ 250,167 $ 977,407 $ 13 $ 1,241,741
Balance, shares at Dec. 31, 2008 141,544        
Net income     153,294   153,294
Net unrealized holding (gain) loss on available-for-sale securities       (8) (8)
Comprehensive income         153,286
Common stock issued for employee stock benefit plans 52 17,160     17,212
Common stock issued for employee stock benefit plans, shares 518        
Income tax benefit from exercise of stock benefit plans   243     243
Common stock issued to directors 2 286     288
Common stock issued to directors, shares 14        
Cash dividends paid     (42,896)   (42,896)
Balance at Dec. 31, 2009 14,208 267,856 1,087,805 5 1,369,874
Balance, shares at Dec. 31, 2009 142,076        
Net income     161,752   161,752
Net unrealized holding (gain) loss on available-for-sale securities       2 2
Comprehensive income         161,754
Common stock issued for employee stock benefit plans 70 7,495     7,565
Common stock issued for employee stock benefit plans, shares 705        
Income tax benefit from exercise of stock benefit plans   11,391     11,391
Common stock issued to directors 1 255     256
Common stock issued to directors, shares 14        
Cash dividends paid     (44,496)   (44,496)
Balance at Dec. 31, 2010 14,279 286,997 1,205,061 7 1,506,344
Balance, shares at Dec. 31, 2010 142,795       142,795
Net income         163,995
Comprehensive income     163,995   163,995
Common stock issued for employee stock benefit plans 55 18,859     18,914
Common stock issued for employee stock benefit plans, shares 545        
Income tax benefit from exercise of stock benefit plans   916     916
Common stock issued to directors 1 287     288
Common stock issued to directors, shares 12        
Cash dividends paid     (46,494)   (46,494)
Balance at Dec. 31, 2011 $ 143,352 $ 307,059 $ 1,322,562 $ 7 $ 1,643,963
Balance, shares at Dec. 31, 2011 14,335       143,352