XML 91 R21.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Schedule II-Valuation and Qualifying Accounts | 12 Months Ended
--- | ---
Dec. 31, 2011
Valuation and Qualifying Accounts [Abstract] |
Schedule II-Valuation and Qualifying Accounts | Schedule II—Valuation and Qualifying Accounts Years ended December 31, 2011, 2010, and 2009 (Amounts in thousands)
Description |  | Balance at beginning of year |  |  | "Additions" charged to costs and expenses |  |  | "Other" additions (deductions) |  |  | "Less" deductions |  |  | Balance at end of year |
Year ended December 31, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 4,761 |  |  |  | 9,217 |  |  |  | 0 |  |  |  | 8,331 |  |  |  | 5,647 |
Insurance reserves |  | $ | 28,067 |  |  |  | 46,287 | 1 |  |  | 0 |  |  |  | 43,806 | 2 |  |  | 30,548 |
Year ended December 31, 2010 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 4,086 |  |  |  | 8,658 |  |  |  | 0 |  |  |  | 7,983 |  |  |  | 4,761 |
Insurance reserves |  | $ | 23,722 |  |  |  | 47,848 | 1 |  |  | 0 |  |  |  | 43,503 | 2 |  |  | 28,067 |
Year ended December 31, 2009 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 2,660 |  |  |  | 9,409 |  |  |  | 0 |  |  |  | 7,983 |  |  |  | 4,086 |
Insurance reserves |  | $ | 18,967 |  |  |  | 48,203 | 1 |  |  | 0 |  |  |  | 43,448 | 2 |  |  | 23,722 |
1 | Includes costs and expenses incurred for premiums and claims related to health and general insurance.
2 | Includes costs and expenses paid for premiums and claims related to health and general insurance.

X
- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
Name: | us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAndQualifyingAccountsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration