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Cemetery Perpetual Care Trusts Long-term Receivable and Investment (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Long-term receivable and investment components [Line Items]    
Cemetery perpetual care trust investments $ 1,016,506 $ 987,019
Cemetery Perpetual Care [Member]
   
Long-term receivable and investment components [Line Items]    
Trust investments, at market 952,573 922,228
Cash and cash equivalents 63,933 64,791
Cemetery perpetual care trust investments $ 1,016,506 $ 987,019