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Uncategorized Items
6/30/2011
USD ($)
[us-gaap_CashEquivalentsAtCarryingValue]
 193,839,000                            
[us-gaap_CommonStockSharesOutstanding]
   9,851,765
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 8,995,149
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		                        
[us-gaap_StockholdersEquity]
       458,000
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember		 88,358,000
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 177,000
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 180,897,000
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		 152,450,000
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_StockholdersEquityTotalMember		 (117,440,000)
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember		 432,000
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember		 87,153,000
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 177,000
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 185,148,000
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		 144,350,000
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_StockholdersEquityTotalMember		 (128,560,000)
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember