Annual report pursuant to Section 13 and 15(d)

Statements Of Changes In Shareholders' Equity

v2.4.1.9
Statements Of Changes In Shareholders' Equity (USD $)
In Thousands, except Share data
Total
Common Stock [Member]
Retained Earnings [Member]
Capital In Excess Of Par Value [Member]
Balance at Dec. 31, 2011 $ 856,519us-gaap_StockholdersEquity $ 8,616us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 713,500us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ 134,403us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
Balance, in shares at Dec. 31, 2011   86,165,000us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Net income 169,452us-gaap_NetIncomeLoss   169,452us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
 
Adjustments to Additional Paid in Capital, Other (2)us-gaap_AdjustmentsToAdditionalPaidInCapitalOther     (2)us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
Balance at Dec. 31, 2012 1,025,969us-gaap_StockholdersEquity 8,616us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
882,952us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
134,401us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
Balance, in shares at Dec. 31, 2012   86,165,000us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Net income 206,113us-gaap_NetIncomeLoss   206,113us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
 
Balance at Dec. 31, 2013 1,232,082us-gaap_StockholdersEquity 8,616us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
1,089,065us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
134,401us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
Balance, in shares at Dec. 31, 2013   86,165,000us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Net income 267,514us-gaap_NetIncomeLoss   267,514us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
 
Stock Repurchased During Period, Shares (70,620)us-gaap_StockRepurchasedAndRetiredDuringPeriodShares (71,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Stock Repurchased and Retired During Period, Value 5,532us-gaap_StockRepurchasedAndRetiredDuringPeriodValue 7us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
5,525us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
 
Balance at Dec. 31, 2014 $ 1,494,064us-gaap_StockholdersEquity $ 8,609us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 1,351,054us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ 134,401us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
Balance, in shares at Dec. 31, 2014   86,094,000us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember