Assets and Liabilities Measured at Fair Value (Detail) (Variable Interest Entity, Primary Beneficiary, USD $) | Dec. 31, 2014 | Dec. 31, 2013 |
In Thousands, unless otherwise specified |
Merchandise Trusts | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | $484,820 | $431,556 |
Merchandise Trusts | Short-term investments | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 52,521 | 46,518 |
Merchandise Trusts | Fixed maturities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 16,384 | 16,495 |
Merchandise Trusts | Fixed maturities | U.S. State and local government agency | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 269 | |
Merchandise Trusts | Fixed maturities | Corporate debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 8,976 | 9,171 |
Merchandise Trusts | Fixed maturities | Other debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 7,139 | 7,324 |
Merchandise Trusts | Mutual funds - debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 142,680 | 111,333 |
Merchandise Trusts | Mutual funds - equity securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 179,458 | 157,530 |
Merchandise Trusts | Mutual funds - equity securities | real estate sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 58,672 | 49,103 |
Merchandise Trusts | Mutual funds - equity securities | energy sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 7,733 | |
Merchandise Trusts | Mutual funds - equity securities | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 22,927 | 36,193 |
Merchandise Trusts | Mutual funds - equity securities | Other | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 90,126 | 72,234 |
Merchandise Trusts | Equity securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 80,299 | 85,695 |
Merchandise Trusts | Equity securities | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 50,091 | 57,258 |
Merchandise Trusts | Equity securities | Global Equity Securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 30,208 | 28,437 |
Merchandise Trusts | Other invested assets | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 5,159 | 5,723 |
Merchandise Trusts | Total managed investments | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 476,501 | 423,294 |
Merchandise Trusts | Level 1 | Short-term investments | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 52,521 | 46,518 |
Merchandise Trusts | Level 1 | Mutual funds - debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 142,680 | 111,333 |
Merchandise Trusts | Level 1 | Mutual funds - equity securities | real estate sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 58,672 | 49,103 |
Merchandise Trusts | Level 1 | Mutual funds - equity securities | energy sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 7,733 | |
Merchandise Trusts | Level 1 | Mutual funds - equity securities | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 22,927 | 36,193 |
Merchandise Trusts | Level 1 | Mutual funds - equity securities | Other | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 90,126 | 72,234 |
Merchandise Trusts | Level 1 | Equity securities | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 50,091 | 57,258 |
Merchandise Trusts | Level 1 | Equity securities | Global Equity Securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 30,208 | 28,437 |
Merchandise Trusts | Level 1 | Total managed investments | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 454,958 | 401,076 |
Merchandise Trusts | Level 2 | Fixed maturities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 16,384 | 16,495 |
Merchandise Trusts | Level 2 | Fixed maturities | U.S. State and local government agency | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 269 | |
Merchandise Trusts | Level 2 | Fixed maturities | Corporate debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 8,976 | 9,171 |
Merchandise Trusts | Level 2 | Fixed maturities | Other debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 7,139 | 7,324 |
Merchandise Trusts | Level 2 | Other invested assets | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 5,159 | 5,723 |
Merchandise Trusts | Level 2 | Total managed investments | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 21,543 | 22,218 |
Perpetual care trusts | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 345,105 | 311,771 |
Perpetual care trusts | Short-term investments | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 26,644 | 16,686 |
Perpetual care trusts | Fixed maturities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 24,032 | 25,253 |
Perpetual care trusts | Fixed maturities | U.S. State and local government agency | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 79 | |
Perpetual care trusts | Fixed maturities | Corporate debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 23,466 | 24,510 |
Perpetual care trusts | Fixed maturities | Other debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 371 | 371 |
Perpetual care trusts | Fixed maturities | U.S. Government and federal agency | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 116 | 372 |
Perpetual care trusts | Mutual funds - debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 123,894 | 116,013 |
Perpetual care trusts | Mutual funds - equity securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 125,436 | 115,593 |
Perpetual care trusts | Mutual funds - equity securities | real estate sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 41,753 | 40,763 |
Perpetual care trusts | Mutual funds - equity securities | energy sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 14,829 | 14,761 |
Perpetual care trusts | Mutual funds - equity securities | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 43,596 | 46,817 |
Perpetual care trusts | Mutual funds - equity securities | Other | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 25,258 | 13,252 |
Perpetual care trusts | Equity securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 45,074 | 37,844 |
Perpetual care trusts | Equity securities | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 43,207 | 36,925 |
Perpetual care trusts | Equity securities | Global Equity Securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 1,867 | 919 |
Perpetual care trusts | Other invested assets | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 25 | 382 |
Perpetual care trusts | Total managed investments | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 345,105 | 311,771 |
Perpetual care trusts | Level 1 | Short-term investments | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 26,644 | 16,686 |
Perpetual care trusts | Level 1 | Fixed maturities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 116 | 372 |
Perpetual care trusts | Level 1 | Fixed maturities | U.S. Government and federal agency | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 116 | 372 |
Perpetual care trusts | Level 1 | Mutual funds - debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 123,894 | 116,013 |
Perpetual care trusts | Level 1 | Mutual funds - equity securities | real estate sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 41,753 | 40,763 |
Perpetual care trusts | Level 1 | Mutual funds - equity securities | energy sector | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 14,829 | 14,761 |
Perpetual care trusts | Level 1 | Mutual funds - equity securities | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 43,596 | 46,817 |
Perpetual care trusts | Level 1 | Mutual funds - equity securities | Other | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 25,258 | 13,252 |
Perpetual care trusts | Level 1 | Equity securities | Master limited partnerships | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 43,207 | 36,925 |
Perpetual care trusts | Level 1 | Equity securities | Global Equity Securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 1,867 | 919 |
Perpetual care trusts | Level 1 | Total managed investments | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 321,164 | 286,508 |
Perpetual care trusts | Level 2 | Fixed maturities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 23,916 | 24,881 |
Perpetual care trusts | Level 2 | Fixed maturities | U.S. State and local government agency | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 79 | |
Perpetual care trusts | Level 2 | Fixed maturities | Corporate debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 23,466 | 24,510 |
Perpetual care trusts | Level 2 | Fixed maturities | Other debt securities | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 371 | 371 |
Perpetual care trusts | Level 2 | Other invested assets | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | 25 | 382 |
Perpetual care trusts | Level 2 | Total managed investments | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Available for sale securities | $23,941 | $25,263 |