Assets and Liabilities Measured at Fair Value (Detail) (Variable Interest Entity, Primary Beneficiary, USD $) | Sep. 30, 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 | $491,641 | $431,556 |
Merchandise Trusts | Short-term investments | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 51,328 | 46,518 |
Merchandise Trusts | Fixed maturities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 16,440 | 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 | 75 | ' |
Merchandise Trusts | Fixed maturities | Corporate debt securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 9,220 | 9,171 |
Merchandise Trusts | Fixed maturities | Other debt securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 7,145 | 7,324 |
Merchandise Trusts | Mutual funds - debt securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 128,300 | 111,333 |
Merchandise Trusts | Mutual funds - equity securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 181,769 | 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 | 52,379 | 49,103 |
Merchandise Trusts | Mutual funds - equity securities | energy sector | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 8,498 | ' |
Merchandise Trusts | Mutual funds - equity securities | Master limited partnerships | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 29,821 | 36,193 |
Merchandise Trusts | Mutual funds - equity securities | Other | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 91,071 | 72,234 |
Merchandise Trusts | Equity securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 90,505 | 85,695 |
Merchandise Trusts | Equity securities | Master limited partnerships | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 56,196 | 57,258 |
Merchandise Trusts | Equity securities | Global Equity Securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 34,309 | 28,437 |
Merchandise Trusts | Other invested assets | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 5,240 | 5,723 |
Merchandise Trusts | Total managed investments | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 473,582 | 423,294 |
Merchandise Trusts | Level 1 | Short-term investments | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 51,328 | 46,518 |
Merchandise Trusts | Level 1 | Mutual funds - debt securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 128,300 | 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 | 52,379 | 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 | 8,498 | ' |
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 | 29,821 | 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 | 91,071 | 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 | 56,196 | 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 | 34,309 | 28,437 |
Merchandise Trusts | Level 1 | Total managed investments | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 451,902 | 401,076 |
Merchandise Trusts | Level 2 | Fixed maturities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 16,440 | 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 | 75 | ' |
Merchandise Trusts | Level 2 | Fixed maturities | Corporate debt securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 9,220 | 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 | 7,145 | 7,324 |
Merchandise Trusts | Level 2 | Other invested assets | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 5,240 | 5,723 |
Merchandise Trusts | Level 2 | Total managed investments | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 21,680 | 22,218 |
Perpetual care trusts | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 348,950 | 311,771 |
Perpetual care trusts | Short-term investments | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 27,257 | 16,686 |
Perpetual care trusts | Fixed maturities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 25,001 | 25,253 |
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 | 117 | 372 |
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 | 57 | ' |
Perpetual care trusts | Fixed maturities | Corporate debt securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 24,456 | 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 | Mutual funds - debt securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 118,512 | 116,013 |
Perpetual care trusts | Mutual funds - equity securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 126,099 | 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 | 38,183 | 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 | 16,296 | 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 | 47,863 | 46,817 |
Perpetual care trusts | Mutual funds - equity securities | Other | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 23,757 | 13,252 |
Perpetual care trusts | Equity securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 52,081 | 37,844 |
Perpetual care trusts | Equity securities | Master limited partnerships | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 47,283 | 36,925 |
Perpetual care trusts | Equity securities | Global Equity Securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 4,798 | 919 |
Perpetual care trusts | Other invested assets | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | ' | 382 |
Perpetual care trusts | Total managed investments | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 348,950 | 311,771 |
Perpetual care trusts | Level 1 | Short-term investments | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 27,257 | 16,686 |
Perpetual care trusts | Level 1 | Fixed maturities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 117 | 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 | 117 | 372 |
Perpetual care trusts | Level 1 | Mutual funds - debt securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 118,512 | 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 | 38,183 | 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 | 16,296 | 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 | 47,863 | 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 | 23,757 | 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 | 47,283 | 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 | 4,798 | 919 |
Perpetual care trusts | Level 1 | Total managed investments | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 324,066 | 286,508 |
Perpetual care trusts | Level 2 | Fixed maturities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 24,884 | 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 | 57 | ' |
Perpetual care trusts | Level 2 | Fixed maturities | Corporate debt securities | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | 24,456 | 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 | ' | 382 |
Perpetual care trusts | Level 2 | Total managed investments | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Available for sale securities | $24,884 | $25,263 |